diff options
295 files changed, 3421 insertions, 2043 deletions
diff --git a/Documentation/Changes b/Documentation/Changes index abee7f5..73a8617 100644 --- a/Documentation/Changes +++ b/Documentation/Changes @@ -201,7 +201,7 @@ udev ---- udev is a userspace application for populating /dev dynamically with only entries for devices actually present. udev replaces the basic -functionality of devfs, while allowing persistant device naming for +functionality of devfs, while allowing persistent device naming for devices. FUSE diff --git a/Documentation/DMA-API.txt b/Documentation/DMA-API.txt index 2ffb0d6..0543162 100644 --- a/Documentation/DMA-API.txt +++ b/Documentation/DMA-API.txt @@ -489,7 +489,7 @@ size is the size of the area (must be multiples of PAGE_SIZE). flags can be or'd together and are DMA_MEMORY_MAP - request that the memory returned from -dma_alloc_coherent() be directly writeable. +dma_alloc_coherent() be directly writable. DMA_MEMORY_IO - request that the memory returned from dma_alloc_coherent() be addressable using read/write/memcpy_toio etc. diff --git a/Documentation/DMA-ISA-LPC.txt b/Documentation/DMA-ISA-LPC.txt index 705f6be..e767805 100644 --- a/Documentation/DMA-ISA-LPC.txt +++ b/Documentation/DMA-ISA-LPC.txt @@ -110,7 +110,7 @@ lock. Once the DMA transfer is finished (or timed out) you should disable the channel again. You should also check get_dma_residue() to make -sure that all data has been transfered. +sure that all data has been transferred. Example: diff --git a/Documentation/MSI-HOWTO.txt b/Documentation/MSI-HOWTO.txt index 5c34910..d389388 100644 --- a/Documentation/MSI-HOWTO.txt +++ b/Documentation/MSI-HOWTO.txt @@ -219,7 +219,7 @@ into the field vector of each element contained in a second argument. Note that the pre-assigned IOAPIC dev->irq is valid only if the device operates in PIN-IRQ assertion mode. In MSI-X mode, any attempt at using dev->irq by the device driver to request for interrupt service -may result unpredictabe behavior. +may result in unpredictable behavior. For each MSI-X vector granted, a device driver is responsible for calling other functions like request_irq(), enable_irq(), etc. to enable diff --git a/Documentation/accounting/taskstats.txt b/Documentation/accounting/taskstats.txt index 92ebf29..ff06b73 100644 --- a/Documentation/accounting/taskstats.txt +++ b/Documentation/accounting/taskstats.txt @@ -96,9 +96,9 @@ a) TASKSTATS_TYPE_AGGR_PID/TGID : attribute containing no payload but indicates a pid/tgid will be followed by some stats. b) TASKSTATS_TYPE_PID/TGID: attribute whose payload is the pid/tgid whose stats -is being returned. +are being returned. -c) TASKSTATS_TYPE_STATS: attribute with a struct taskstsats as payload. The +c) TASKSTATS_TYPE_STATS: attribute with a struct taskstats as payload. The same structure is used for both per-pid and per-tgid stats. 3. New message sent by kernel whenever a task exits. The payload consists of a @@ -122,12 +122,12 @@ of atomicity). However, maintaining per-process, in addition to per-task stats, within the kernel has space and time overheads. To address this, the taskstats code -accumalates each exiting task's statistics into a process-wide data structure. -When the last task of a process exits, the process level data accumalated also +accumulates each exiting task's statistics into a process-wide data structure. +When the last task of a process exits, the process level data accumulated also gets sent to userspace (along with the per-task data). When a user queries to get per-tgid data, the sum of all other live threads in -the group is added up and added to the accumalated total for previously exited +the group is added up and added to the accumulated total for previously exited threads of the same thread group. Extending taskstats diff --git a/Documentation/block/biodoc.txt b/Documentation/block/biodoc.txt index 34bf8f6..c6c9a9c 100644 --- a/Documentation/block/biodoc.txt +++ b/Documentation/block/biodoc.txt @@ -183,7 +183,7 @@ it, the pci dma mapping routines and associated data structures have now been modified to accomplish a direct page -> bus translation, without requiring a virtual address mapping (unlike the earlier scheme of virtual address -> bus translation). So this works uniformly for high-memory pages (which -do not have a correponding kernel virtual address space mapping) and +do not have a corresponding kernel virtual address space mapping) and low-memory pages. Note: Please refer to DMA-mapping.txt for a discussion on PCI high mem DMA @@ -391,7 +391,7 @@ forced such requests to be broken up into small chunks before being passed on to the generic block layer, only to be merged by the i/o scheduler when the underlying device was capable of handling the i/o in one shot. Also, using the buffer head as an i/o structure for i/os that didn't originate -from the buffer cache unecessarily added to the weight of the descriptors +from the buffer cache unnecessarily added to the weight of the descriptors which were generated for each such chunk. The following were some of the goals and expectations considered in the @@ -403,14 +403,14 @@ i. Should be appropriate as a descriptor for both raw and buffered i/o - for raw i/o. ii. Ability to represent high-memory buffers (which do not have a virtual address mapping in kernel address space). -iii.Ability to represent large i/os w/o unecessarily breaking them up (i.e +iii.Ability to represent large i/os w/o unnecessarily breaking them up (i.e greater than PAGE_SIZE chunks in one shot) iv. At the same time, ability to retain independent identity of i/os from different sources or i/o units requiring individual completion (e.g. for latency reasons) v. Ability to represent an i/o involving multiple physical memory segments (including non-page aligned page fragments, as specified via readv/writev) - without unecessarily breaking it up, if the underlying device is capable of + without unnecessarily breaking it up, if the underlying device is capable of handling it. vi. Preferably should be based on a memory descriptor structure that can be passed around different types of subsystems or layers, maybe even @@ -1013,7 +1013,7 @@ Characteristics: i. Binary tree AS and deadline i/o schedulers use red black binary trees for disk position sorting and searching, and a fifo linked list for time-based searching. This -gives good scalability and good availablility of information. Requests are +gives good scalability and good availability of information. Requests are almost always dispatched in disk sort order, so a cache is kept of the next request in sort order to prevent binary tree lookups. diff --git a/Documentation/cpu-freq/cpufreq-nforce2.txt b/Documentation/cpu-freq/cpufreq-nforce2.txt index 9188337..babce13 100644 --- a/Documentation/cpu-freq/cpufreq-nforce2.txt +++ b/Documentation/cpu-freq/cpufreq-nforce2.txt @@ -1,7 +1,7 @@ -The cpufreq-nforce2 driver changes the FSB on nVidia nForce2 plattforms. +The cpufreq-nforce2 driver changes the FSB on nVidia nForce2 platforms. -This works better than on other plattforms, because the FSB of the CPU +This works better than on other platforms, because the FSB of the CPU can be controlled independently from the PCI/AGP clock. The module has two options: diff --git a/Documentation/cpu-hotplug.txt b/Documentation/cpu-hotplug.txt index 4868c34..cc60d29 100644 --- a/Documentation/cpu-hotplug.txt +++ b/Documentation/cpu-hotplug.txt @@ -54,8 +54,8 @@ additional_cpus=n (*) Use this to limit hotpluggable cpus. This option sets ia64 and x86_64 use the number of disabled local apics in ACPI tables MADT to determine the number of potentially hot-pluggable cpus. The implementation -should only rely on this to count the #of cpus, but *MUST* not rely on the -apicid values in those tables for disabled apics. In the event BIOS doesnt +should only rely on this to count the # of cpus, but *MUST* not rely on the +apicid values in those tables for disabled apics. In the event BIOS doesn't mark such hot-pluggable cpus as disabled entries, one could use this parameter "additional_cpus=x" to represent those cpus in the cpu_possible_map. diff --git a/Documentation/devices.txt b/Documentation/devices.txt index 28c4f79..70690f1 100644 --- a/Documentation/devices.txt +++ b/Documentation/devices.txt @@ -92,7 +92,7 @@ Your cooperation is appreciated. 7 = /dev/full Returns ENOSPC on write 8 = /dev/random Nondeterministic random number gen. 9 = /dev/urandom Faster, less secure random number gen. - 10 = /dev/aio Asyncronous I/O notification interface + 10 = /dev/aio Asynchronous I/O notification interface 11 = /dev/kmsg Writes to this come out as printk's 1 block RAM disk 0 = /dev/ram0 First RAM disk @@ -1093,7 +1093,7 @@ Your cooperation is appreciated. 55 char DSP56001 digital signal processor 0 = /dev/dsp56k First DSP56001 - 55 block Mylex DAC960 PCI RAID controller; eigth controller + 55 block Mylex DAC960 PCI RAID controller; eighth controller 0 = /dev/rd/c7d0 First disk, whole disk 8 = /dev/rd/c7d1 Second disk, whole disk ... @@ -1456,7 +1456,7 @@ Your cooperation is appreciated. 1 = /dev/cum1 Callout device for ttyM1 ... - 79 block Compaq Intelligent Drive Array, eigth controller + 79 block Compaq Intelligent Drive Array, eighth controller 0 = /dev/ida/c7d0 First logical drive whole disk 16 = /dev/ida/c7d1 Second logical drive whole disk ... @@ -1900,7 +1900,7 @@ Your cooperation is appreciated. 1 = /dev/av1 Second A/V card ... -111 block Compaq Next Generation Drive Array, eigth controller +111 block Compaq Next Generation Drive Array, eighth controller 0 = /dev/cciss/c7d0 First logical drive, whole disk 16 = /dev/cciss/c7d1 Second logical drive, whole disk ... diff --git a/Documentation/driver-model/platform.txt b/Documentation/driver-model/platform.txt index 5eee3e0..9f0bc3b 100644 --- a/Documentation/driver-model/platform.txt +++ b/Documentation/driver-model/platform.txt @@ -1,99 +1,131 @@ Platform Devices and Drivers ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +See <linux/platform_device.h> for the driver model interface to the +platform bus: platform_device, and platform_driver. This pseudo-bus +is used to connect devices on busses with minimal infrastructure, +like those used to integrate peripherals on many system-on-chip +processors, or some "legacy" PC interconnects; as opposed to large +formally specified ones like PCI or USB. + Platform devices ~~~~~~~~~~~~~~~~ Platform devices are devices that typically appear as autonomous entities in the system. This includes legacy port-based devices and -host bridges to peripheral buses. - - -Platform drivers -~~~~~~~~~~~~~~~~ -Drivers for platform devices are typically very simple and -unstructured. Either the device was present at a particular I/O port -and the driver was loaded, or it was not. There was no possibility -of hotplugging or alternative discovery besides probing at a specific -I/O address and expecting a specific response. +host bridges to peripheral buses, and most controllers integrated +into system-on-chip platforms. What they usually have in common +is direct addressing from a CPU bus. Rarely, a platform_device will +be connected through a segment of some other kind of bus; but its +registers will still be directly addressible. +Platform devices are given a name, used in driver binding, and a +list of resources such as addresses and IRQs. -Other Architectures, Modern Firmware, and new Platforms -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -These devices are not always at the legacy I/O ports. This is true on -other architectures and on some modern architectures. In most cases, -the drivers are modified to discover the devices at other well-known -ports for the given platform. However, the firmware in these systems -does usually know where exactly these devices reside, and in some -cases, it's the only way of discovering them. +struct platform_device { + const char *name; + u32 id; + struct device dev; + u32 num_resources; + struct resource *resource; +}; -The Platform Bus -~~~~~~~~~~~~~~~~ -A platform bus has been created to deal with these issues. First and -foremost, it groups all the legacy devices under a common bus, and -gives them a common parent if they don't already have one. - -But, besides the organizational benefits, the platform bus can also -accommodate firmware-based enumeration. - - -Device Discovery +Platform drivers ~~~~~~~~~~~~~~~~ -The platform bus has no concept of probing for devices. Devices -discovery is left up to either the legacy drivers or the -firmware. These entities are expected to notify the platform of -devices that it discovers via the bus's add() callback: - - platform_bus.add(parent,bus_id). - - -Bus IDs -~~~~~~~ -Bus IDs are the canonical names for the devices. There is no globally -standard addressing mechanism for legacy devices. In the IA-32 world, -we have Pnp IDs to use, as well as the legacy I/O ports. However, -neither tell what the device really is or have any meaning on other -platforms. - -Since both PnP IDs and the legacy I/O ports (and other standard I/O -ports for specific devices) have a 1:1 mapping, we map the -platform-specific name or identifier to a generic name (at least -within the scope of the kernel). - -For example, a serial driver might find a device at I/O 0x3f8. The -ACPI firmware might also discover a device with PnP ID (_HID) -PNP0501. Both correspond to the same device and should be mapped to the -canonical name 'serial'. - -The bus_id field should be a concatenation of the canonical name and -the instance of that type of device. For example, the device at I/O -port 0x3f8 should have a bus_id of "serial0". This places the -responsibility of enumerating devices of a particular type up to the -discovery mechanism. But, they are the entity that should know best -(as opposed to the platform bus driver). - - -Drivers -~~~~~~~ -Drivers for platform devices should have a name that is the same as -the canonical name of the devices they support. This allows the -platform bus driver to do simple matching with the basic data -structures to determine if a driver supports a certain device. - -For example, a legacy serial driver should have a name of 'serial' and -register itself with the platform bus. - - -Driver Binding -~~~~~~~~~~~~~~ -Legacy drivers assume they are bound to the device once they start up -and probe an I/O port. Divorcing them from this will be a difficult -process. However, that shouldn't prevent us from implementing -firmware-based enumeration. - -The firmware should notify the platform bus about devices before the -legacy drivers have had a chance to load. Once the drivers are loaded, -they driver model core will attempt to bind the driver to any -previously-discovered devices. Once that has happened, it will be free -to discover any other devices it pleases. +Platform drivers follow the standard driver model convention, where +discovery/enumeration is handled outside the drivers, and drivers +provide probe() and remove() methods. They support power management +and shutdown notifications using the standard conventions. + +struct platform_driver { + int (*probe)(struct platform_device *); + int (*remove)(struct platform_device *); + void (*shutdown)(struct platform_device *); + int (*suspend)(struct platform_device *, pm_message_t state); + int (*suspend_late)(struct platform_device *, pm_message_t state); + int (*resume_early)(struct platform_device *); + int (*resume)(struct platform_device *); + struct device_driver driver; +}; + +Note that probe() should general verify that the specified device hardware +actually exists; sometimes platform setup code can't be sure. The probing +can use device resources, including clocks, and device platform_data. + +Platform drivers register themselves the normal way: + + int platform_driver_register(struct platform_driver *drv); + +Or, in common situations where the device is known not to be hot-pluggable, +the probe() routine can live in an init section to reduce the driver's +runtime memory footprint: + + int platform_driver_probe(struct platform_driver *drv, + int (*probe)(struct platform_device *)) + + +Device Enumeration +~~~~~~~~~~~~~~~~~~ +As a rule, platform specific (and often board-specific) setup code wil +register platform devices: + + int platform_device_register(struct platform_device *pdev); + + int platform_add_devices(struct platform_device **pdevs, int ndev); + +The general rule is to register only those devices that actually exist, +but in some cases extra devices might be registered. For example, a kernel +might be configured to work with an external network adapter that might not +be populated on all boards, or likewise to work with an integrated controller +that some boards might not hook up to any peripherals. + +In some cases, boot firmware will export tables describing the devices +that are populated on a given board. Without such tables, often the +only way for system setup code to set up the correct devices is to build +a kernel for a specific target board. Such board-specific kernels are +common with embedded and custom systems development. + +In many cases, the memory and IRQ resources associated with the platform +device are not enough to let the device's driver work. Board setup code +will often provide additional information using the device's platform_data +field to hold additional information. + +Embedded systems frequently need one or more clocks for platform devices, +which are normally kept off until they're actively needed (to save power). +System setup also associates those clocks with the device, so that that +calls to clk_get(&pdev->dev, clock_name) return them as needed. + + +Device Naming and Driver Binding +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +The platform_device.dev.bus_id is the canonical name for the devices. +It's built from two components: + + * platform_device.name ... which is also used to for driver matching. + + * platform_device.id ... the device instance number, or else "-1" + to indicate there's only one. + +These are catenated, so name/id "serial"/0 indicates bus_id "serial.0", and +"serial/3" indicates bus_id "serial.3"; both would use the platform_driver +named "serial". While "my_rtc"/-1 would be bus_id "my_rtc" (no instance id) +and use the platform_driver called "my_rtc". + +Driver binding is performed automatically by the driver core, invoking +driver probe() after finding a match between device and driver. If the +probe() succeeds, the driver and device are bound as usual. There are +three different ways to find such a match: + + - Whenever a device is registered, the drivers for that bus are + checked for matches. Platform devices should be registered very + early during system boot. + + - When a driver is registered using platform_driver_register(), all + unbound devices on that bus are checked for matches. Drivers + usually register later during booting, or by module loading. + + - Registering a driver using platform_driver_probe() works just like + using platform_driver_register(), except that the the driver won't + be probed later if another device registers. (Which is OK, since + this interface is only for use with non-hotpluggable devices.) diff --git a/Documentation/driver-model/porting.txt b/Documentation/driver-model/porting.txt index 98b233c..92d86f7 100644 --- a/Documentation/driver-model/porting.txt +++ b/Documentation/driver-model/porting.txt @@ -92,7 +92,7 @@ struct device represents a single device. It mainly contains metadata describing the relationship the device has to other entities. -- Embedd a struct device in the bus-specific device type. +- Embed a struct device in the bus-specific device type. struct pci_dev { diff --git a/Documentation/dvb/ci.txt b/Documentation/dvb/ci.txt index 531239b..2ecd834 100644 --- a/Documentation/dvb/ci.txt +++ b/Documentation/dvb/ci.txt @@ -71,7 +71,7 @@ eliminating the need for any additional ioctls. The disadvantage is that the driver/hardware has to manage the rest. For the application programmer it would be as simple as sending/receiving an array to/from the CI ioctls as defined in the Linux DVB API. No changes -have been made in the API to accomodate this feature. +have been made in the API to accommodate this feature. * Why the need for another CI interface ? @@ -102,7 +102,7 @@ This CI interface follows the CI high level interface, which is not implemented by most applications. Hence this area is revisited. This CI interface is quite different in the case that it tries to -accomodate all other CI based devices, that fall into the other categories +accommodate all other CI based devices, that fall into the other categories. This means that this CI interface handles the EN50221 style tags in the Application layer only and no session management is taken care of by the diff --git a/Documentation/eisa.txt b/Documentation/eisa.txt index 6a099ed..60e361b 100644 --- a/Documentation/eisa.txt +++ b/Documentation/eisa.txt @@ -62,7 +62,7 @@ res : root device I/O resource bus_base_addr : slot 0 address on this bus slots : max slot number to probe force_probe : Probe even when slot 0 is empty (no EISA mainboard) -dma_mask : Default DMA mask. Usualy the bridge device dma_mask. +dma_mask : Default DMA mask. Usually the bridge device dma_mask. bus_nr : unique bus id, set by eisa_root_register ** Driver : diff --git a/Documentation/filesystems/adfs.txt b/Documentation/filesystems/adfs.txt index 060abb0..9e8811f 100644 --- a/Documentation/filesystems/adfs.txt +++ b/Documentation/filesystems/adfs.txt @@ -3,7 +3,7 @@ Mount options for ADFS uid=nnn All files in the partition will be owned by user id nnn. Default 0 (root). - gid=nnn All files in the partition willbe in group + gid=nnn All files in the partition will be in group nnn. Default 0 (root). ownmask=nnn The permission mask for ADFS 'owner' permissions will be nnn. Default 0700. diff --git a/Documentation/filesystems/configfs/configfs.txt b/Documentation/filesystems/configfs/configfs.txt index c3a7afb..b34cdb5 100644 --- a/Documentation/filesystems/configfs/configfs.txt +++ b/Documentation/filesystems/configfs/configfs.txt @@ -209,7 +209,7 @@ will happen for write(2). [struct config_group] -A config_item cannot live in a vaccum. The only way one can be created +A config_item cannot live in a vacuum. The only way one can be created is via mkdir(2) on a config_group. This will trigger creation of a child item. @@ -275,7 +275,7 @@ directory is not empty. [struct configfs_subsystem] -A subsystem must register itself, ususally at module_init time. This +A subsystem must register itself, usually at module_init time. This tells configfs to make the subsystem appear in the file tree. struct configfs_subsystem { diff --git a/Documentation/filesystems/fuse.txt b/Documentation/filesystems/fuse.txt index a584f05..3d74477 100644 --- a/Documentation/filesystems/fuse.txt +++ b/Documentation/filesystems/fuse.txt @@ -111,7 +111,7 @@ For each connection the following files exist within this directory: 'waiting' - The number of requests which are waiting to be transfered to + The number of requests which are waiting to be transferred to userspace or being processed by the filesystem daemon. If there is no filesystem activity and 'waiting' is non-zero, then the filesystem is hung or deadlocked. @@ -136,7 +136,7 @@ following will happen: 2) If the request is not yet sent to userspace AND the signal is not fatal, then an 'interrupted' flag is set for the request. When - the request has been successfully transfered to userspace and + the request has been successfully transferred to userspace and this flag is set, an INTERRUPT request is queued. 3) If the request is already sent to userspace, then an INTERRUPT diff --git a/Documentation/filesystems/hpfs.txt b/Documentation/filesystems/hpfs.txt index 33dc360..38aba03 100644 --- a/Documentation/filesystems/hpfs.txt +++ b/Documentation/filesystems/hpfs.txt @@ -274,7 +274,7 @@ History Fixed race-condition in buffer code - it is in all filesystems in Linux; when reading device (cat /dev/hda) while creating files on it, files could be damaged -2.02 Woraround for bug in breada in Linux. breada could cause accesses beyond +2.02 Workaround for bug in breada in Linux. breada could cause accesses beyond end of partition 2.03 Char, block devices and pipes are correctly created Fixed non-crashing race in unlink (Alexander Viro) diff --git a/Documentation/filesystems/ntfs.txt b/Documentation/filesystems/ntfs.txt index 35f105b..13ba649 100644 --- a/Documentation/filesystems/ntfs.txt +++ b/Documentation/filesystems/ntfs.txt @@ -337,7 +337,7 @@ Finally, for a mirrored volume, i.e. raid level 1, the table would look like this (note all values are in 512-byte sectors): --- cut here --- -# Ofs Size Raid Log Number Region Should Number Source Start Taget Start +# Ofs Size Raid Log Number Region Should Number Source Start Target Start # in of the type type of log size sync? of Device in Device in # vol volume params mirrors Device Device 0 2056320 mirror core 2 16 nosync 2 /dev/hda1 0 /dev/hdb1 0 @@ -599,7 +599,7 @@ Note, a technical ChangeLog aimed at kernel hackers is in fs/ntfs/ChangeLog. - Major bug fixes for reading files and volumes in corner cases which were being hit by Windows 2k/XP users. 2.1.2: - - Major bug fixes aleviating the hangs in statfs experienced by some + - Major bug fixes alleviating the hangs in statfs experienced by some users. 2.1.1: - Update handling of compressed files so people no longer get the diff --git a/Documentation/filesystems/ocfs2.txt b/Documentation/filesystems/ocfs2.txt index 4389c68..af6defd 100644 --- a/Documentation/filesystems/ocfs2.txt +++ b/Documentation/filesystems/ocfs2.txt @@ -30,7 +30,7 @@ Caveats Features which OCFS2 does not support yet: - sparse files - extended attributes - - shared writeable mmap + - shared writable mmap - loopback is supported, but data written will not be cluster coherent. - quotas diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index 3355e69..72af5de 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt @@ -1220,9 +1220,9 @@ applications are using mlock(), or if you are running with no swap then you probably should increase the lower_zone_protection setting. The units of this tunable are fairly vague. It is approximately equal -to "megabytes". So setting lower_zone_protection=100 will protect around 100 +to "megabytes," so setting lower_zone_protection=100 will protect around 100 megabytes of the lowmem zone from user allocations. It will also make -those 100 megabytes unavaliable for use by applications and by +those 100 megabytes unavailable for use by applications and by pagecache, so there is a cost. The effects of this tunable may be observed by monitoring @@ -1538,10 +1538,10 @@ TCP settings tcp_ecn ------- -This file controls the use of the ECN bit in the IPv4 headers, this is a new +This file controls the use of the ECN bit in the IPv4 headers. This is a new feature about Explicit Congestion Notification, but some routers and firewalls -block trafic that has this bit set, so it could be necessary to echo 0 to -/proc/sys/net/ipv4/tcp_ecn, if you want to talk to this sites. For more info +block traffic that has this bit set, so it could be necessary to echo 0 to +/proc/sys/net/ipv4/tcp_ecn if you want to talk to these sites. For more info you could read RFC2481. tcp_retrans_collapse diff --git a/Documentation/filesystems/spufs.txt b/Documentation/filesystems/spufs.txt index 982645a..1343d11 100644 --- a/Documentation/filesystems/spufs.txt +++ b/Documentation/filesystems/spufs.txt @@ -210,7 +210,7 @@ FILES /signal2 The two signal notification channels of an SPU. These are read-write files that operate on a 32 bit word. Writing to one of these files - triggers an interrupt on the SPU. The value writting to the signal + triggers an interrupt on the SPU. The value written to the signal files can be read from the SPU through a channel read or from host user space through the file. After the value has been read by the SPU, it is reset to zero. The possible operations on an open signal1 or sig- diff --git a/Documentation/fujitsu/frv/gdbstub.txt b/Documentation/fujitsu/frv/gdbstub.txt index 6ce5aa9..9304fb3 100644 --- a/Documentation/fujitsu/frv/gdbstub.txt +++ b/Documentation/fujitsu/frv/gdbstub.txt @@ -59,7 +59,7 @@ the following things on the "Kernel Hacking" tab: Then build as usual, download to the board and execute. Note that if "Immediate activation" was selected, then the kernel will wait for GDB to attach. If not, then the kernel will boot immediately and GDB will have to -interupt it or wait for an exception to occur if before doing anything with +interrupt it or wait for an exception to occur before doing anything with the kernel. diff --git a/Documentation/fujitsu/frv/kernel-ABI.txt b/Documentation/fujitsu/frv/kernel-ABI.txt index 8b0a5fc..aaa1cec 100644 --- a/Documentation/fujitsu/frv/kernel-ABI.txt +++ b/Documentation/fujitsu/frv/kernel-ABI.txt @@ -156,7 +156,7 @@ with the main kernel in this regard. Hence the debug mode code (gdbstub) is almost completely self-contained. The only external code used is the sprintf family of functions. -Futhermore, break.S is so complicated because single-step mode does not +Furthermore, break.S is so complicated because single-step mode does not switch off on entry to an exception. That means unless manually disabled, single-stepping will blithely go on stepping into things like interrupts. See gdbstub.txt for more information. diff --git a/Documentation/ide.txt b/Documentation/ide.txt index 0bf38ba..786c3a7 100644 --- a/Documentation/ide.txt +++ b/Documentation/ide.txt @@ -390,5 +390,5 @@ mlord@pobox.com Wed Apr 17 22:52:44 CEST 2002 edited by Marcin Dalecki, the current maintainer. -Wed Aug 20 22:31:29 CEST 2003 updated ide boot uptions to current ide.c +Wed Aug 20 22:31:29 CEST 2003 updated ide boot options to current ide.c comments at 2.6.0-test4 time. Maciej Soltysiak <solt@dns.toxicfilms.tv> diff --git a/Documentation/input/amijoy.txt b/Documentation/input/amijoy.txt index 4f0e89d..7dc4f17 100644 --- a/Documentation/input/amijoy.txt +++ b/Documentation/input/amijoy.txt @@ -91,8 +91,8 @@ JOY1DAT Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 X7 X6 X5 X4 X3 X2 X1 X0 | 1 | M0HQ | JOY0DAT Horizontal Clock (quadrature) | | 2 | M0V | JOY0DAT Vertical Clock | | 3 | M0VQ | JOY0DAT Vertical Clock (quadrature) | - | 4 | M1V | JOY1DAT Horizontall Clock | - | 5 | M1VQ | JOY1DAT Horizontall Clock (quadrature) | + | 4 | M1V | JOY1DAT Horizontal Clock | + | 5 | M1VQ | JOY1DAT Horizontal Clock (quadrature) | | 6 | M1V | JOY1DAT Vertical Clock | | 7 | M1VQ | JOY1DAT Vertical Clock (quadrature) | +--------+----------+-----------------------------------------+ diff --git a/Documentation/input/atarikbd.txt b/Documentation/input/atarikbd.txt index 1e7e585..668f4d0 100644 --- a/Documentation/input/atarikbd.txt +++ b/Documentation/input/atarikbd.txt @@ -103,7 +103,7 @@ LEFT=0x74 & RIGHT=0x75). 5.1 Joystick Event Reporting -In this mode, the ikbd generates a record whever the joystick position is +In this mode, the ikbd generates a record whenever the joystick position is changed (i.e. for each opening or closing of a joystick switch or trigger). The joystick event record is two bytes of the form: @@ -277,8 +277,8 @@ default to 1 at RESET (or power-up). 9.7 SET MOUSE SCALE 0x0C - X ; horizontal mouse ticks per internel X - Y ; vertical mouse ticks per internel Y + X ; horizontal mouse ticks per internal X + Y ; vertical mouse ticks per internal Y This command sets the scale factor for the ABSOLUTE MOUSE POSITIONING mode. In this mode, the specified number of mouse phase changes ('clicks') must @@ -323,7 +323,7 @@ mouse position. 0x0F This command makes the origin of the Y axis to be at the bottom of the -logical coordinate system internel to the ikbd for all relative or absolute +logical coordinate system internal to the ikbd for all relative or absolute mouse motion. This causes mouse motion toward the user to be negative in sign and away from the user to be positive. @@ -597,8 +597,8 @@ mode or FIRE BUTTON MONITORING mode. 10. SCAN CODES -The key scan codes return by the ikbd are chosen to simplify the -implementaion of GSX. +The key scan codes returned by the ikbd are chosen to simplify the +implementation of GSX. GSX Standard Keyboard Mapping. diff --git a/Documentation/input/yealink.txt b/Documentation/input/yealink.txt index 0a8c97e..5360e43 100644 --- a/Documentation/input/yealink.txt +++ b/Documentation/input/yealink.txt @@ -134,7 +134,7 @@ Reading /sys/../lineX will return the format string with its current value: 888888888888 Linux Rocks! -Writing to /sys/../lineX will set the coresponding LCD line. +Writing to /sys/../lineX will set the corresponding LCD line. - Excess characters are ignored. - If less characters are written than allowed, the remaining digits are unchanged. diff --git a/Documentation/ioctl/cdrom.txt b/Documentation/ioctl/cdrom.txt index 8ec32cc..62d4af4 100644 --- a/Documentation/ioctl/cdrom.txt +++ b/Documentation/ioctl/cdrom.txt @@ -735,7 +735,7 @@ CDROM_DISC_STATUS Get disc type, etc. Ok, this is where problems start. The current interface for the CDROM_DISC_STATUS ioctl is flawed. It makes the false assumption that CDs are all CDS_DATA_1 or all CDS_AUDIO, etc. - Unfortunatly, while this is often the case, it is also + Unfortunately, while this is often the case, it is also very common for CDs to have some tracks with data, and some tracks with audio. Just because I feel like it, I declare the following to be the best way to cope. If the CD has diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt index 50f4edd..4b3d671 100644 --- a/Documentation/kbuild/makefiles.txt +++ b/Documentation/kbuild/makefiles.txt @@ -227,9 +227,9 @@ more details, with real examples. be included in a library, lib.a. All objects listed with lib-y are combined in a single library for that directory. - Objects that are listed in obj-y and additionaly listed in - lib-y will not be included in the library, since they will anyway - be accessible. + Objects that are listed in obj-y and additionally listed in + lib-y will not be included in the library, since they will + be accessible anyway. For consistency, objects listed in lib-m will be included in lib.a. Note that the same kbuild makefile may list files to be built-in @@ -535,7 +535,7 @@ Both possibilities are described in the following. Host programs can be made up based on composite objects. The syntax used to define composite objects for host programs is similar to the syntax used for kernel objects. - $(<executeable>-objs) lists all objects used to link the final + $(<executable>-objs) lists all objects used to link the final executable. Example: @@ -1022,7 +1022,7 @@ When kbuild executes, the following steps are followed (roughly): In this example, there are two possible targets, requiring different options to the linker. The linker options are specified using the LDFLAGS_$@ syntax - one for each potential target. - $(targets) are assinged all potential targets, by which kbuild knows + $(targets) are assigned all potential targets, by which kbuild knows the targets and will: 1) check for commandline changes 2) delete target during make clean diff --git a/Documentation/keys.txt b/Documentation/keys.txt index 3da586b..60c665d 100644 --- a/Documentation/keys.txt +++ b/Documentation/keys.txt @@ -304,7 +304,7 @@ about the status of the key service: R Revoked D Dead Q Contributes to user's quota - U Under contruction by callback to userspace + U Under construction by callback to userspace N Negative key This file must be enabled at kernel configuration time as it allows anyone diff --git a/Documentation/laptop-mode.txt b/Documentation/laptop-mode.txt index c487186..6f639e3 100644 --- a/Documentation/laptop-mode.txt +++ b/Documentation/laptop-mode.txt @@ -121,7 +121,7 @@ contains the following options: MAX_AGE: Maximum time, in seconds, of hard drive spindown time that you are -confortable with. Worst case, it's possible that you could lose this +comfortable with. Worst case, it's possible that you could lose this amount of work if your battery fails while you're in laptop mode. MINIMUM_BATTERY_MINUTES: @@ -235,7 +235,7 @@ It should be installed as /etc/default/laptop-mode on Debian, and as --------------------CONFIG FILE BEGIN------------------------------------------- # Maximum time, in seconds, of hard drive spindown time that you are -# confortable with. Worst case, it's possible that you could lose this +# comfortable with. Worst case, it's possible that you could lose this # amount of work if your battery fails you while in laptop mode. #MAX_AGE=600 @@ -350,7 +350,7 @@ fi # set defaults instead: # Maximum time, in seconds, of hard drive spindown time that you are -# confortable with. Worst case, it's possible that you could lose this +# comfortable with. Worst case, it's possible that you could lose this # amount of work if your battery fails you while in laptop mode. MAX_AGE=${MAX_AGE:-'600'} @@ -699,7 +699,7 @@ ACPI integration Dax Kelson submitted this so that the ACPI acpid daemon will kick off the laptop_mode script and run hdparm. The part that automatically disables laptop mode when the battery is low was -writen by Jan Topinski. +written by Jan Topinski. -----------------/etc/acpi/events/ac_adapter BEGIN------------------------------ event=ac_adapter diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt index 7751704..58408dd 100644 --- a/Documentation/memory-barriers.txt +++ b/Documentation/memory-barriers.txt @@ -212,7 +212,7 @@ There are some minimal guarantees that may be expected of a CPU: STORE *X = c, d = LOAD *X - (Loads and stores overlap if they are targetted at overlapping pieces of + (Loads and stores overlap if they are targeted at overlapping pieces of memory). And there are a number of things that _must_ or _must_not_ be assumed: diff --git a/Documentation/networking/NAPI_HOWTO.txt b/Documentation/networking/NAPI_HOWTO.txt index 93af3e8..fb8dc64 100644 --- a/Documentation/networking/NAPI_HOWTO.txt +++ b/Documentation/networking/NAPI_HOWTO.txt @@ -95,8 +95,8 @@ There are two types of event register ACK mechanisms. Move all to dev->poll() C) Ability to detect new work correctly. -NAPI works by shutting down event interrupts when theres work and -turning them on when theres none. +NAPI works by shutting down event interrupts when there's work and +turning them on when there's none. New packets might show up in the small window while interrupts were being re-enabled (refer to appendix 2). A packet might sneak in during the period we are enabling interrupts. We only get to know about such a packet when the @@ -114,7 +114,7 @@ Locking rules and environmental guarantees only one CPU can pick the initial interrupt and hence the initial netif_rx_schedule(dev); - The core layer invokes devices to send packets in a round robin format. -This implies receive is totaly lockless because of the guarantee only that +This implies receive is totally lockless because of the guarantee that only one CPU is executing it. - contention can only be the result of some other CPU accessing the rx ring. This happens only in close() and suspend() (when these methods @@ -510,7 +510,7 @@ static int my_poll (struct net_device *dev, int *budget) an interrupt will be generated */ goto done; } - /* done! at least thats what it looks like ;-> + /* done! at least that's what it looks like ;-> if new packets came in after our last check on status bits they'll be caught by the while check and we go back and clear them since we havent exceeded our quota */ @@ -535,11 +535,11 @@ done: * 1. it can race with disabling irqs in irq handler (which are done to * schedule polls) * 2. it can race with dis/enabling irqs in other poll threads - * 3. if an irq raised after the begining of the outer beginning - * loop(marked in the code above), it will be immediately + * 3. if an irq raised after the beginning of the outer beginning + * loop (marked in the code above), it will be immediately * triggered here. * - * Summarizing: the logic may results in some redundant irqs both + * Summarizing: the logic may result in some redundant irqs both * due to races in masking and due to too late acking of already * processed irqs. The good news: no events are ever lost. */ @@ -601,7 +601,7 @@ a) 5) dev->close() and dev->suspend() issues ========================================== -The driver writter neednt worry about this. The top net layer takes +The driver writer needn't worry about this; the top net layer takes care of it. 6) Adding new Stats to /proc @@ -622,9 +622,9 @@ FC should be programmed to apply in the case when the system cant pull out packets fast enough i.e send a pause only when you run out of rx buffers. Note FC in itself is a good solution but we have found it to not be much of a commodity feature (both in NICs and switches) and hence falls -under the same category as using NIC based mitigation. Also experiments -indicate that its much harder to resolve the resource allocation -issue (aka lazy receiving that NAPI offers) and hence quantify its usefullness +under the same category as using NIC based mitigation. Also, experiments +indicate that it's much harder to resolve the resource allocation +issue (aka lazy receiving that NAPI offers) and hence quantify its usefulness proved harder. In any case, FC works even better with NAPI but is not necessary. @@ -678,10 +678,10 @@ routine: CSR5 bit of interest is only the rx status. If you look at the last if statement: you just finished grabbing all the packets from the rx ring .. you check if -status bit says theres more packets just in ... it says none; you then +status bit says there are more packets just in ... it says none; you then enable rx interrupts again; if a new packet just came in during this check, we are counting that CSR5 will be set in that small window of opportunity -and that by re-enabling interrupts, we would actually triger an interrupt +and that by re-enabling interrupts, we would actually trigger an interrupt to register the new packet for processing. [The above description nay be very verbose, if you have better wording diff --git a/Documentation/networking/cs89x0.txt b/Documentation/networking/cs89x0.txt index 6489647..6387d3d 100644 --- a/Documentation/networking/cs89x0.txt +++ b/Documentation/networking/cs89x0.txt @@ -248,7 +248,7 @@ c) The driver's hardware probe routine is designed to avoid with device probing. To avoid this behaviour, add one to the `io=' module parameter. This doesn't actually change the I/O address, but it is a flag to tell the driver - topartially initialise the hardware before trying to + to partially initialise the hardware before trying to identify the card. This could be dangerous if you are not sure that there is a cs89x0 card at the provided address. @@ -620,8 +620,8 @@ I/O Address Device IRQ Device 12 Mouse (PS/2) Memory Address Device 13 Math Coprocessor -------------- --------------------- 14 Hard Disk controller -A000-BFFF EGA Graphics Adpater -A000-C7FF VGA Graphics Adpater +A000-BFFF EGA Graphics Adapter +A000-C7FF VGA Graphics Adapter B000-BFFF Mono Graphics Adapter B800-BFFF Color Graphics Adapter E000-FFFF AT BIOS diff --git a/Documentation/networking/iphase.txt b/Documentation/networking/iphase.txt index 493203a..55eac4a 100644 --- a/Documentation/networking/iphase.txt +++ b/Documentation/networking/iphase.txt @@ -81,7 +81,7 @@ Installation 1M. The RAM size decides the number of buffers and buffer size. The default size and number of buffers are set as following: - Totol Rx RAM Tx RAM Rx Buf Tx Buf Rx buf Tx buf + Total Rx RAM Tx RAM Rx Buf Tx Buf Rx buf Tx buf RAM size size size size size cnt cnt -------- ------ ------ ------ ------ ------ ------ 128K 64K 64K 10K 10K 6 6 diff --git a/Documentation/networking/packet_mmap.txt b/Documentation/networking/packet_mmap.txt index 12a008a..5a232d9 100644 --- a/Documentation/networking/packet_mmap.txt +++ b/Documentation/networking/packet_mmap.txt @@ -284,7 +284,7 @@ the necessary memory, so normally limits can be reached. ------------------- If you check the source code you will see that what I draw here as a frame -is not only the link level frame. At the begining of each frame there is a +is not only the link level frame. At the beginning of each frame there is a header called struct tpacket_hdr used in PACKET_MMAP to hold link level's frame meta information like timestamp. So what we draw here a frame it's really the following (from include/linux/if_packet.h): diff --git a/Documentation/networking/pktgen.txt b/Documentation/networking/pktgen.txt index c8eee23..c6cf4a3 100644 --- a/Documentation/networking/pktgen.txt +++ b/Documentation/networking/pktgen.txt @@ -63,8 +63,8 @@ Current: Result: OK: 13101142(c12220741+d880401) usec, 10000000 (60byte,0frags) 763292pps 390Mb/sec (390805504bps) errors: 39664 -Confguring threads and devices -============================== +Configuring threads and devices +================================ This is done via the /proc interface easiest done via pgset in the scripts Examples: @@ -116,7 +116,7 @@ Examples: there must be no spaces between the arguments. Leading zeros are required. Do not set the bottom of stack bit, - thats done automatically. If you do + that's done automatically. If you do set the bottom of stack bit, that indicates that you want to randomly generate that address and the flag diff --git a/Documentation/networking/proc_net_tcp.txt b/Documentation/networking/proc_net_tcp.txt index 59cb915..5e21f7c 100644 --- a/Documentation/networking/proc_net_tcp.txt +++ b/Documentation/networking/proc_net_tcp.txt @@ -25,7 +25,7 @@ up into 3 parts because of the length of the line): 1000 0 54165785 4 cd1e6040 25 4 27 3 -1 | | | | | | | | | |--> slow start size threshold, - | | | | | | | | | or -1 if the treshold + | | | | | | | | | or -1 if the threshold | | | | | | | | | is >= 0xFFFF | | | | | | | | |----> sending congestion window | | | | | | | |-------> (ack.quick<<1)|ack.pingpong diff --git a/Documentation/networking/sk98lin.txt b/Documentation/networking/sk98lin.txt index 4e1cc74..8590a95 100644 --- a/Documentation/networking/sk98lin.txt +++ b/Documentation/networking/sk98lin.txt @@ -346,7 +346,7 @@ Possible modes: depending on the load of the system. If the driver detects that the system load is too high, the driver tries to shield the system against too much network load by enabling interrupt moderation. If - at a later - time - the CPU utilizaton decreases again (or if the network load is + time - the CPU utilization decreases again (or if the network load is negligible) the interrupt moderation will automatically be disabled. Interrupt moderation should be used when the driver has to handle one or more diff --git a/Documentation/networking/slicecom.txt b/Documentation/networking/slicecom.txt index 2f04c92..32d3b91 100644 --- a/Documentation/networking/slicecom.txt +++ b/Documentation/networking/slicecom.txt @@ -126,7 +126,7 @@ comx0/boardnum - board number of the SliceCom in the PC (using the 'natural' Though the options below are to be set on a single interface, they apply to the whole board. The restriction, to use them on 'UP' interfaces, is because the -command sequence below could lead to unpredicable results. +command sequence below could lead to unpredictable results. # echo 0 >boardnum # echo internal >clock_source diff --git a/Documentation/networking/wan-router.txt b/Documentation/networking/wan-router.txt index 0cf6541..653978d 100644 --- a/Documentation/networking/wan-router.txt +++ b/Documentation/networking/wan-router.txt @@ -412,7 +412,7 @@ beta-2.1.4 Jul 2000 o Dynamic interface configuration: beta3-2.1.4 Jul 2000 o X25 M_BIT Problem fix. o Added the Multi-Port PPP - Updated utilites for the Multi-Port PPP. + Updated utilities for the Multi-Port PPP. 2.1.4 Aut 2000 o In X25API: @@ -444,13 +444,13 @@ beta1-2.1.5 Nov 15 2000 o Cpipemon - Added set FT1 commands to the cpipemon. Thus CSU/DSU - configuraiton can be performed using cpipemon. + configuration can be performed using cpipemon. All systems that cannot run cfgft1 GUI utility should use cpipemon to configure the on board CSU/DSU. o Keyboard Led Monitor/Debugger - - A new utilty /usr/sbin/wpkbdmon uses keyboard leds + - A new utility /usr/sbin/wpkbdmon uses keyboard leds to convey operational statistic information of the Sangoma WANPIPE cards. NUM_LOCK = Line State (On=connected, Off=disconnected) @@ -464,7 +464,7 @@ beta1-2.1.5 Nov 15 2000 - Appropriate number of devices are dynamically loaded based on the number of Sangoma cards found. - Note: The kernel configuraiton option + Note: The kernel configuration option CONFIG_WANPIPE_CARDS has been taken out. o Fixed the Frame Relay and Chdlc network interfaces so they are diff --git a/Documentation/pnp.txt b/Documentation/pnp.txt index 9ff966b..28037aa 100644 --- a/Documentation/pnp.txt +++ b/Documentation/pnp.txt @@ -184,7 +184,7 @@ static const struct pnp_id pnp_dev_table[] = { Please note that the character 'X' can be used as a wild card in the function portion (last four characters). ex: - /* Unkown PnP modems */ + /* Unknown PnP modems */ { "PNPCXXX", UNKNOWN_DEV }, Supported PnP card IDs can optionally be defined. diff --git a/Documentation/power/pci.txt b/Documentation/power/pci.txt index 24edf25..c750f9f 100644 --- a/Documentation/power/pci.txt +++ b/Documentation/power/pci.txt @@ -153,7 +153,7 @@ Description: events, which is implicit if it doesn't even support it in the first place). - Note that the PMC Register in the device's PM Capabilties has a bitmask + Note that the PMC Register in the device's PM Capabilities has a bitmask of the states it supports generating PME# from. D3hot is bit 3 and D3cold is bit 4. So, while a value of 4 as the state may not seem semantically correct, it is. @@ -268,7 +268,7 @@ to wake the system up. (However, it is possible that a device may support some non-standard way of generating a wake event on sleep.) Bits 15:11 of the PMC (Power Mgmt Capabilities) Register in a device's -PM Capabilties describe what power states the device supports generating a +PM Capabilities describe what power states the device supports generating a wake event from: +------------------+ diff --git a/Documentation/power/states.txt b/Documentation/power/states.txt index 3e5e5d3..0931a33 100644 --- a/Documentation/power/states.txt +++ b/Documentation/power/states.txt @@ -62,7 +62,7 @@ setup via another operating system for it to use. Despite the inconvenience, this method requires minimal work by the kernel, since the firmware will also handle restoring memory contents on resume. -If the kernel is responsible for persistantly saving state, a mechanism +If the kernel is responsible for persistently saving state, a mechanism called 'swsusp' (Swap Suspend) is used to write memory contents to free swap space. swsusp has some restrictive requirements, but should work in most cases. Some, albeit outdated, documentation can be found diff --git a/Documentation/power/swsusp.txt b/Documentation/power/swsusp.txt index 9ea2208..e635e6f 100644 --- a/Documentation/power/swsusp.txt +++ b/Documentation/power/swsusp.txt @@ -153,7 +153,7 @@ add: If the thread is needed for writing the image to storage, you should instead set the PF_NOFREEZE process flag when creating the thread (and -be very carefull). +be very careful). Q: What is the difference between "platform", "shutdown" and diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt index 27b457c..4ac2d64 100644 --- a/Documentation/powerpc/booting-without-of.txt +++ b/Documentation/powerpc/booting-without-of.txt @@ -33,13 +33,13 @@ - Change version 16 format to always align property data to 4 bytes. Since tokens are already aligned, that means no specific - required alignement between property size + required alignment between property size and property data. The old style variable alignment would make it impossible to do "simple" insertion of properties using memove (thanks Milton for noticing). Updated kernel patch as well - - Correct a few more alignement constraints + - Correct a few more alignment constraints - Add a chapter about the device-tree compiler and the textural representation of the tree that can be "compiled" by dtc. @@ -854,7 +854,7 @@ address which can extend beyond that limit. console device if any. Typically, if you have serial devices on your board, you may want to put the full path to the one set as the default console in the firmware here, for the kernel to pick - it up as it's own default console. If you look at the funciton + it up as its own default console. If you look at the function set_preferred_console() in arch/ppc64/kernel/setup.c, you'll see that the kernel tries to find out the default console and has knowledge of various types like 8250 serial ports. You may want @@ -1124,7 +1124,7 @@ should have the following properties: - interrupt-parent : contains the phandle of the interrupt controller which handles interrupts for this device - interrupts : a list of tuples representing the interrupt - number and the interrupt sense and level for each interupt + number and the interrupt sense and level for each interrupt for this device. This information is used by the kernel to build the interrupt table diff --git a/Documentation/robust-futex-ABI.txt b/Documentation/robust-futex-ABI.txt index 8529a17..535f69f 100644 --- a/Documentation/robust-futex-ABI.txt +++ b/Documentation/robust-futex-ABI.txt @@ -170,7 +170,7 @@ any point: 1) the 'head' pointer or an subsequent linked list pointer is not a valid address of a user space word 2) the calculated location of the 'lock word' (address plus - 'offset') is not the valud address of a 32 bit user space + 'offset') is not the valid address of a 32 bit user space word 3) if the list contains more than 1 million (subject to future kernel configuration changes) elements. diff --git a/Documentation/robust-futexes.txt b/Documentation/robust-futexes.txt index 76e8064..0a9446a 100644 --- a/Documentation/robust-futexes.txt +++ b/Documentation/robust-futexes.txt @@ -181,7 +181,7 @@ for new threads, without the need of another syscall.] So there is virtually zero overhead for tasks not using robust futexes, and even for robust futex users, there is only one extra syscall per thread lifetime, and the cleanup operation, if it happens, is fast and -straightforward. The kernel doesnt have any internal distinction between +straightforward. The kernel doesn't have any internal distinction between robust and normal futexes. If a futex is found to be held at exit time, the kernel sets the diff --git a/Documentation/s390/crypto/crypto-API.txt b/Documentation/s390/crypto/crypto-API.txt index 29dee79..41a8b07 100644 --- a/Documentation/s390/crypto/crypto-API.txt +++ b/Documentation/s390/crypto/crypto-API.txt @@ -75,8 +75,8 @@ name of the respective module is given in square brackets. - SHA1 Digest Algorithm [sha1 -> sha1_z990] - DES Encrypt/Decrypt Algorithm (64bit key) [des -> des_z990] -- Tripple DES Encrypt/Decrypt Algorithm (128bit key) [des3_ede128 -> des_z990] -- Tripple DES Encrypt/Decrypt Algorithm (192bit key) [des3_ede -> des_z990] +- Triple DES Encrypt/Decrypt Algorithm (128bit key) [des3_ede128 -> des_z990] +- Triple DES Encrypt/Decrypt Algorithm (192bit key) [des3_ede -> des_z990] In order to load, for example, the sha1_z990 module when the sha1 algorithm is requested (see 3.2.) add 'alias sha1 sha1_z990' to /etc/modprobe.conf. diff --git a/Documentation/scsi/aic79xx.txt b/Documentation/scsi/aic79xx.txt index 904d49e..6aa9a89 100644 --- a/Documentation/scsi/aic79xx.txt +++ b/Documentation/scsi/aic79xx.txt @@ -127,7 +127,7 @@ The following information is available in this file: - Correct a reference to free'ed memory during controller shutdown. - Reset the bus on an SE->LVD change. This is required - to reset our transcievers. + to reset our transceivers. 1.3.5 (March 24th, 2003) - Fix a few register window mode bugs. @@ -169,7 +169,7 @@ The following information is available in this file: 1.3.0 (January 21st, 2003) - Full regression testing for all U320 products completed. - Added abort and target/lun reset error recovery handler and - interrupt coalessing. + interrupt coalescing. 1.2.0 (November 14th, 2002) - Added support for Domain Validation diff --git a/Documentation/scsi/aic7xxx_old.txt b/Documentation/scsi/aic7xxx_old.txt index c92f447..05667e7 100644 --- a/Documentation/scsi/aic7xxx_old.txt +++ b/Documentation/scsi/aic7xxx_old.txt @@ -256,7 +256,7 @@ linux-1.1.x and fairly stable since linux-1.2.x, and are also in FreeBSD En/Disable High Byte LVD Termination The upper 2 bits that deal with LVD termination only apply to Ultra2 - controllers. Futhermore, due to the current Ultra2 controller + controllers. Furthermore, due to the current Ultra2 controller designs, these bits are tied together such that setting either bit enables both low and high byte LVD termination. It is not possible to only set high or low byte LVD termination in this manner. This is @@ -436,7 +436,7 @@ linux-1.1.x and fairly stable since linux-1.2.x, and are also in FreeBSD the commas to periods, insmod won't interpret this as more than one string and write junk into our binary image. I consider it a bug in the insmod program that even if you wrap your string in quotes (quotes - that pass the shell mind you and that insmod sees) it still treates + that pass the shell mind you and that insmod sees) it still treats a comma inside of those quotes as starting a new variable, resulting in memory scribbles if you don't switch the commas to periods. diff --git a/Documentation/scsi/ibmmca.txt b/Documentation/scsi/ibmmca.txt index 35f6b8e..9707941 100644 --- a/Documentation/scsi/ibmmca.txt +++ b/Documentation/scsi/ibmmca.txt @@ -461,7 +461,7 @@ This needs the RD-Bit to be disabled on IM_OTHER_SCSI_CMD_CMD which allows data to be written from the system to the device. It is a necessary step to be allowed to set blocksize of SCSI-tape-drives and - the tape-speed, whithout confusing the SCSI-Subsystem. + the tape-speed, without confusing the SCSI-Subsystem. 2) The recognition of a tape is included in the check_devices routine. This is done by checking for TYPE_TAPE, that is already defined in the kernel-scsi-environment. The markup of a tape is done in the @@ -710,8 +710,8 @@ of troubles with some controllers and after I wanted to apply some extensions, it jumped out in the same situation, on my w/cache, as like on D. Weinehalls' Model 56, having integrated SCSI. This gave me the - descissive hint to move the code-part out and declare it global. Now, - it seems to work by far much better an more stable. Let us see, what + decisive hint to move the code-part out and declare it global. Now + it seems to work far better and more stable. Let us see what the world thinks of it... 3) By the way, only Sony DAT-drives seem to show density code 0x13. A test with a HP drive gave right results, so the problem is vendor- @@ -822,10 +822,10 @@ A long period of collecting bugreports from all corners of the world now lead to the following corrections to the code: 1) SCSI-2 F/W support crashed with a COMMAND ERROR. The reason for this - was, that it is possible to disbale Fast-SCSI for the external bus. - The feature-control command, where this crash appeared regularly tried + was that it is possible to disable Fast-SCSI for the external bus. + The feature-control command, where this crash appeared regularly, tried to set the maximum speed of 10MHz synchronous transfer speed and that - reports a COMMAND ERROR, if external bus Fast-SCSI is disabled. Now, + reports a COMMAND ERROR if external bus Fast-SCSI is disabled. Now, the feature-command probes down from maximum speed until the adapter stops to complain, which is at the same time the maximum possible speed selected in the reference program. So, F/W external can run at @@ -920,7 +920,7 @@ completed in such a way, that they are now completely conform to the demands in the technical description of IBM. Main candidates were the DEVICE_INQUIRY, REQUEST_SENSE and DEVICE_CAPACITY commands. They must - be tranferred by bypassing the internal command buffer of the adapter + be transferred by bypassing the internal command buffer of the adapter or else the response can be a random result. GET_POS_INFO would be more safe in usage, if one could use the SUPRESS_EXCEPTION_SHORT, but this is not allowed by the technical references of IBM. (Sorry, folks, the diff --git a/Documentation/scsi/in2000.txt b/Documentation/scsi/in2000.txt index 80f1040..c3e2a90 100644 --- a/Documentation/scsi/in2000.txt +++ b/Documentation/scsi/in2000.txt @@ -24,7 +24,7 @@ UPDATE NEWS: version 1.32 - 28 Mar 98 UPDATE NEWS: version 1.31 - 6 Jul 97 Fixed a bug that caused incorrect SCSI status bytes to be - returned from commands sent to LUN's greater than 0. This + returned from commands sent to LUNs greater than 0. This means that CDROM changers work now! Fixed a bug in the handling of command-line arguments when loaded as a module. Also put all the header data in in2000.h where it belongs. diff --git a/Documentation/scsi/libsas.txt b/Documentation/scsi/libsas.txt index 9e2078b..aa54f54 100644 --- a/Documentation/scsi/libsas.txt +++ b/Documentation/scsi/libsas.txt @@ -393,7 +393,7 @@ struct sas_task { task_proto -- _one_ of enum sas_proto scatter -- pointer to scatter gather list array num_scatter -- number of elements in scatter - total_xfer_len -- total number of bytes expected to be transfered + total_xfer_len -- total number of bytes expected to be transferred data_dir -- PCI_DMA_... task_done -- callback when the task has finished execution }; diff --git a/Documentation/scsi/ncr53c8xx.txt b/Documentation/scsi/ncr53c8xx.txt index 58ad8db..caf10b1 100644 --- a/Documentation/scsi/ncr53c8xx.txt +++ b/Documentation/scsi/ncr53c8xx.txt @@ -115,7 +115,7 @@ SCSI standard documentations are available at SYMBIOS ftp server: ftp://ftp.symbios.com/ -Usefull SCSI tools written by Eric Youngdale are available at tsx-11: +Useful SCSI tools written by Eric Youngdale are available at tsx-11: ftp://tsx-11.mit.edu/pub/linux/ALPHA/scsi/scsiinfo-X.Y.tar.gz ftp://tsx-11.mit.edu/pub/linux/ALPHA/scsi/scsidev-X.Y.tar.gz diff --git a/Documentation/scsi/scsi-changer.txt b/Documentation/scsi/scsi-changer.txt index d74bbd2..032399b 100644 --- a/Documentation/scsi/scsi-changer.txt +++ b/Documentation/scsi/scsi-changer.txt @@ -88,7 +88,7 @@ If the module finds the changer, it prints some messages about the device [ try "dmesg" if you don't see anything ] and should show up in /proc/devices. If not.... some changers use ID ? / LUN 0 for the device and ID ? / LUN 1 for the robot mechanism. But Linux does *not* -look for LUN's other than 0 as default, becauce there are to many +look for LUNs other than 0 as default, because there are too many broken devices. So you can try: 1) echo "scsi add-single-device 0 0 ID 1" > /proc/scsi/scsi @@ -107,7 +107,7 @@ because the kernel will translate the error codes into human-readable strings then. You can display these messages with the dmesg command (or check the -logfiles). If you email me some question becauce of a problem with the +logfiles). If you email me some question because of a problem with the driver, please include these messages. diff --git a/Documentation/scsi/scsi_eh.txt b/Documentation/scsi/scsi_eh.txt index b964eef..7acbebb 100644 --- a/Documentation/scsi/scsi_eh.txt +++ b/Documentation/scsi/scsi_eh.txt @@ -75,7 +75,7 @@ with the command. - otherwise scsi_eh_scmd_add(scmd, 0) is invoked for the command. See - [1-3] for details of this funciton. + [1-3] for details of this function. [1-2-2] Completing a scmd w/ timeout diff --git a/Documentation/scsi/st.txt b/Documentation/scsi/st.txt index 5ff65b1..3c12422 100644 --- a/Documentation/scsi/st.txt +++ b/Documentation/scsi/st.txt @@ -261,7 +261,7 @@ pairs are separated with a comma (no spaces allowed). A colon can be used instead of the equal mark. The definition is prepended by the string st=. Here is an example: - st=buffer_kbs:64,write_threhold_kbs:60 + st=buffer_kbs:64,write_threshold_kbs:60 The following syntax used by the old kernel versions is also supported: diff --git a/Documentation/scsi/sym53c8xx_2.txt b/Documentation/scsi/sym53c8xx_2.txt index 26c8a08..2c1745a 100644 --- a/Documentation/scsi/sym53c8xx_2.txt +++ b/Documentation/scsi/sym53c8xx_2.txt @@ -609,7 +609,7 @@ appropriate mailing lists or news-groups. Send me a copy in order to be sure I will receive it. Obviously, a bug in the driver code is possible. - My cyrrent email address: Gerard Roudier <groudier@free.fr> + My current email address: Gerard Roudier <groudier@free.fr> Allowing disconnections is important if you use several devices on your SCSI bus but often causes problems with buggy devices. diff --git a/Documentation/sharedsubtree.txt b/Documentation/sharedsubtree.txt index 2d8f403..ccf1ceb 100644 --- a/Documentation/sharedsubtree.txt +++ b/Documentation/sharedsubtree.txt @@ -942,13 +942,13 @@ replicas continue to be exactly same. ->mnt_slave ->mnt_master - ->mnt_share links togather all the mount to/from which this vfsmount + ->mnt_share links together all the mount to/from which this vfsmount send/receives propagation events. ->mnt_slave_list links all the mounts to which this vfsmount propagates to. - ->mnt_slave links togather all the slaves that its master vfsmount + ->mnt_slave links together all the slaves that its master vfsmount propagates to. ->mnt_master points to the master vfsmount from which this vfsmount diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index 3472d9c..9fef210 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt @@ -955,7 +955,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. dmx6fire, dsp24, dsp24_value, dsp24_71, ez8, phase88, mediastation omni - Omni I/O support for MidiMan M-Audio Delta44/66 - cs8427_timeout - reset timeout for the CS8427 chip (S/PDIF transciever) + cs8427_timeout - reset timeout for the CS8427 chip (S/PDIF transceiver) in msec resolution, default value is 500 (0.5 sec) This module supports multiple cards and autoprobe. Note: The consumer part diff --git a/Documentation/sound/alsa/Audigy-mixer.txt b/Documentation/sound/alsa/Audigy-mixer.txt index 5132fd9..7f10dc6 100644 --- a/Documentation/sound/alsa/Audigy-mixer.txt +++ b/Documentation/sound/alsa/Audigy-mixer.txt @@ -6,7 +6,7 @@ This is based on SB-Live-mixer.txt. The EMU10K2 chips have a DSP part which can be programmed to support various ways of sample processing, which is described here. -(This acticle does not deal with the overall functionality of the +(This article does not deal with the overall functionality of the EMU10K2 chips. See the manuals section for further details.) The ALSA driver programs this portion of chip by default code diff --git a/Documentation/sound/alsa/SB-Live-mixer.txt b/Documentation/sound/alsa/SB-Live-mixer.txt index 651adaf..f5639d4 100644 --- a/Documentation/sound/alsa/SB-Live-mixer.txt +++ b/Documentation/sound/alsa/SB-Live-mixer.txt @@ -5,7 +5,7 @@ The EMU10K1 chips have a DSP part which can be programmed to support various ways of sample processing, which is described here. -(This acticle does not deal with the overall functionality of the +(This article does not deal with the overall functionality of the EMU10K1 chips. See the manuals section for further details.) The ALSA driver programs this portion of chip by default code diff --git a/Documentation/stable_kernel_rules.txt b/Documentation/stable_kernel_rules.txt index 02a4812..c815c52 100644 --- a/Documentation/stable_kernel_rules.txt +++ b/Documentation/stable_kernel_rules.txt @@ -50,7 +50,7 @@ Review cycle: Contact the kernel security team for more details on this procedure. -Review committe: +Review committee: - This is made up of a number of kernel developers who have volunteered for this task, and a few that haven't. diff --git a/Documentation/sysctl/fs.txt b/Documentation/sysctl/fs.txt index 5c3a519..aa986a3 100644 --- a/Documentation/sysctl/fs.txt +++ b/Documentation/sysctl/fs.txt @@ -146,7 +146,7 @@ or otherwise protected/tainted binaries. The modes are readable by root only. This allows the end user to remove such a dump but not access it directly. For security reasons core dumps in this mode will not overwrite one another or - other files. This mode is appropriate when adminstrators are + other files. This mode is appropriate when administrators are attempting to debug problems in a normal environment. ============================================================== diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt index 20d0d79..e96a341 100644 --- a/Documentation/sysctl/vm.txt +++ b/Documentation/sysctl/vm.txt @@ -129,7 +129,7 @@ the high water marks for each per cpu page list. zone_reclaim_mode: -Zone_reclaim_mode allows to set more or less agressive approaches to +Zone_reclaim_mode allows someone to set more or less aggressive approaches to reclaim memory when a zone runs out of memory. If it is set to zero then no zone reclaim occurs. Allocations will be satisfied from other zones / nodes in the system. diff --git a/Documentation/uml/UserModeLinux-HOWTO.txt b/Documentation/uml/UserModeLinux-HOWTO.txt index b60590e..628013f 100644 --- a/Documentation/uml/UserModeLinux-HOWTO.txt +++ b/Documentation/uml/UserModeLinux-HOWTO.txt @@ -1477,7 +1477,7 @@ - Making it world-writeable looks bad, but it seems not to be + Making it world-writable looks bad, but it seems not to be exploitable as a security hole. However, it does allow anyone to cre- ate useless tap devices (useless because they can't configure them), which is a DOS attack. A somewhat more secure alternative would to be diff --git a/Documentation/usb/hiddev.txt b/Documentation/usb/hiddev.txt index 6a79075..6e8c9f1 100644 --- a/Documentation/usb/hiddev.txt +++ b/Documentation/usb/hiddev.txt @@ -8,7 +8,7 @@ interfaces, but have similar sorts of communication needs. The two big examples for this are power devices (especially uninterruptable power supplies) and monitor control on higher end monitors. -To support these disparite requirements, the Linux USB system provides +To support these disparate requirements, the Linux USB system provides HID events to two separate interfaces: * the input subsystem, which converts HID events into normal input device interfaces (such as keyboard, mouse and joystick) and a diff --git a/Documentation/usb/rio.txt b/Documentation/usb/rio.txt index ab21db4..aee715a 100644 --- a/Documentation/usb/rio.txt +++ b/Documentation/usb/rio.txt @@ -24,10 +24,10 @@ are in no way responsible for any damage that may occur, no matter how inconsequential. It seems that the Rio has a problem when sending .mp3 with low batteries. -I suggest when the batteries are low and want to transfer stuff that you +I suggest when the batteries are low and you want to transfer stuff that you replace it with a fresh one. In my case, what happened is I lost two 16kb blocks (they are no longer usable to store information to it). But I don't -know if thats normal or not. It could simply be a problem with the flash +know if that's normal or not; it could simply be a problem with the flash memory. In an extreme case, I left my Rio playing overnight and the batteries wore diff --git a/Documentation/usb/usb-serial.txt b/Documentation/usb/usb-serial.txt index 50436e1..d61f6e7 100644 --- a/Documentation/usb/usb-serial.txt +++ b/Documentation/usb/usb-serial.txt @@ -175,7 +175,7 @@ Keyspan USA-series Serial Adapters Current status: The USA-18X, USA-28X, USA-19, USA-19W and USA-49W are supported and - have been pretty throughly tested at various baud rates with 8-N-1 + have been pretty thoroughly tested at various baud rates with 8-N-1 character settings. Other character lengths and parity setups are presently untested. @@ -253,7 +253,7 @@ Cypress M8 CY4601 Family Serial Driver together without hacking the adapter to set the line high. The driver is smp safe. Performance with the driver is rather low when using - it for transfering files. This is being worked on, but I would be willing to + it for transferring files. This is being worked on, but I would be willing to accept patches. An urb queue or packet buffer would likely fit the bill here. If you have any questions, problems, patches, feature requests, etc. you can @@ -297,7 +297,7 @@ Belkin USB Serial Adapter F5U103 Parity N,E,O,M,S Handshake None, Software (XON/XOFF), Hardware (CTSRTS,CTSDTR)* Break Set and clear - Line contrl Input/Output query and control ** + Line control Input/Output query and control ** * Hardware input flow control is only enabled for firmware levels above 2.06. Read source code comments describing Belkin @@ -309,7 +309,7 @@ Belkin USB Serial Adapter F5U103 automatic hardware flow control. TO DO List: - -- Add true modem contol line query capability. Currently tracks the + -- Add true modem control line query capability. Currently tracks the states reported by the interrupt and the states requested. -- Add error reporting back to application for UART error conditions. -- Add support for flush ioctls. diff --git a/Documentation/watchdog/watchdog-api.txt b/Documentation/watchdog/watchdog-api.txt index 7e8ae83..8d16f6f 100644 --- a/Documentation/watchdog/watchdog-api.txt +++ b/Documentation/watchdog/watchdog-api.txt @@ -214,7 +214,7 @@ returned value is the temperature in degrees fahrenheit. Finally the SETOPTIONS ioctl can be used to control some aspects of the cards operation; right now the pcwd driver is the only one -supporting thiss ioctl. +supporting this ioctl. int options = 0; ioctl(fd, WDIOC_SETOPTIONS, options); diff --git a/MAINTAINERS b/MAINTAINERS index e182992..846e77a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -155,16 +155,16 @@ L: netdev@vger.kernel.org S: Maintained 9P FILE SYSTEM -P: Eric Van Hensbergen -M: ericvh@gmail.com -P: Ron Minnich -M: rminnich@lanl.gov -P: Latchesar Ionkov -M: lucho@ionkov.net -L: v9fs-developer@lists.sourceforge.net -W: http://v9fs.sf.net -T: git kernel.org:/pub/scm/linux/kernel/ericvh/v9fs.git -S: Maintained +P: Eric Van Hensbergen +M: ericvh@gmail.com +P: Ron Minnich +M: rminnich@lanl.gov +P: Latchesar Ionkov +M: lucho@ionkov.net +L: v9fs-developer@lists.sourceforge.net +W: http://v9fs.sf.net +T: git kernel.org:/pub/scm/linux/kernel/ericvh/v9fs.git +S: Maintained A2232 SERIAL BOARD DRIVER P: Enver Haase @@ -290,8 +290,8 @@ M: ink@jurassic.park.msu.ru S: Maintained for 2.4; PCI support for 2.6. AMD GEODE PROCESSOR/CHIPSET SUPPORT -P: Jordan Crouse -M: info-linux@geode.amd.com +P: Jordan Crouse +M: info-linux@geode.amd.com L: info-linux@geode.amd.com W: http://www.amd.com/us-en/ConnectivitySolutions/TechnicalResources/0,,50_2334_2452_11363,00.html S: Supported @@ -601,13 +601,13 @@ M: maxk@qualcomm.com S: Maintained BONDING DRIVER -P: Chad Tindel -M: ctindel@users.sourceforge.net -P: Jay Vosburgh -M: fubar@us.ibm.com -L: bonding-devel@lists.sourceforge.net -W: http://sourceforge.net/projects/bonding/ -S: Supported +P: Chad Tindel +M: ctindel@users.sourceforge.net +P: Jay Vosburgh +M: fubar@us.ibm.com +L: bonding-devel@lists.sourceforge.net +W: http://sourceforge.net/projects/bonding/ +S: Supported BROADBAND PROCESSOR ARCHITECTURE P: Arnd Bergmann @@ -744,8 +744,8 @@ W: http://www.bullopensource.org/cpuset/ S: Supported CRAMFS FILESYSTEM -W: http://sourceforge.net/projects/cramfs/ -S: Orphan +W: http://sourceforge.net/projects/cramfs/ +S: Orphan CRIS PORT P: Mikael Starvik @@ -1054,11 +1054,11 @@ W: http://sourceforge.net/projects/emu10k1/ S: Maintained EMULEX LPFC FC SCSI DRIVER -P: James Smart -M: james.smart@emulex.com -L: linux-scsi@vger.kernel.org -W: http://sourceforge.net/projects/lpfcxxxx -S: Supported +P: James Smart +M: james.smart@emulex.com +L: linux-scsi@vger.kernel.org +W: http://sourceforge.net/projects/lpfcxxxx +S: Supported EPSON 1355 FRAMEBUFFER DRIVER P: Christopher Hoover @@ -1495,16 +1495,16 @@ L: linux-kernel@vger.kernel.org S: Maintained INTEL FRAMEBUFFER DRIVER (excluding 810 and 815) -P: Sylvain Meyer -M: sylvain.meyer@worldonline.fr -L: linux-fbdev-devel@lists.sourceforge.net -S: Maintained +P: Sylvain Meyer +M: sylvain.meyer@worldonline.fr +L: linux-fbdev-devel@lists.sourceforge.net +S: Maintained INTEL 810/815 FRAMEBUFFER DRIVER -P: Antonino Daplas -M: adaplas@pol.net -L: linux-fbdev-devel@lists.sourceforge.net -S: Maintained +P: Antonino Daplas +M: adaplas@pol.net +L: linux-fbdev-devel@lists.sourceforge.net +S: Maintained INTEL APIC/IOAPIC, LOWLEVEL X86 SMP SUPPORT P: Ingo Molnar @@ -1830,11 +1830,11 @@ L: linuxppc-embedded@ozlabs.org S: Maintained LINUX FOR POWERPC EMBEDDED PPC83XX AND PPC85XX -P: Kumar Gala -M: galak@kernel.crashing.org -W: http://www.penguinppc.org/ -L: linuxppc-embedded@ozlabs.org -S: Maintained +P: Kumar Gala +M: galak@kernel.crashing.org +W: http://www.penguinppc.org/ +L: linuxppc-embedded@ozlabs.org +S: Maintained LINUX FOR POWERPC PA SEMI PWRFICIENT P: Olof Johansson @@ -1933,10 +1933,10 @@ W: http://www.syskonnect.com S: Supported MAN-PAGES: MANUAL PAGES FOR LINUX -- Sections 2, 3, 4, 5, and 7 -P: Michael Kerrisk -M: mtk-manpages@gmx.net -W: ftp://ftp.kernel.org/pub/linux/docs/manpages -S: Maintained +P: Michael Kerrisk +M: mtk-manpages@gmx.net +W: ftp://ftp.kernel.org/pub/linux/docs/manpages +S: Maintained MARVELL MV643XX ETHERNET DRIVER P: Dale Farnsworth @@ -1953,11 +1953,11 @@ L: linux-fbdev-devel@lists.sourceforge.net S: Maintained MEGARAID SCSI DRIVERS -P: Neela Syam Kolli -M: Neela.Kolli@engenio.com -S: linux-scsi@vger.kernel.org -W: http://megaraid.lsilogic.com -S: Maintained +P: Neela Syam Kolli +M: Neela.Kolli@engenio.com +S: linux-scsi@vger.kernel.org +W: http://megaraid.lsilogic.com +S: Maintained MEMORY MANAGEMENT L: linux-mm@kvack.org @@ -2186,10 +2186,10 @@ T: git kernel.org:/pub/scm/linux/kernel/git/aia21/ntfs-2.6.git S: Maintained NVIDIA (rivafb and nvidiafb) FRAMEBUFFER DRIVER -P: Antonino Daplas -M: adaplas@pol.net -L: linux-fbdev-devel@lists.sourceforge.net -S: Maintained +P: Antonino Daplas +M: adaplas@pol.net +L: linux-fbdev-devel@lists.sourceforge.net +S: Maintained OPENCORES I2C BUS DRIVER P: Peter Korsgaard @@ -2539,10 +2539,10 @@ RISCOM8 DRIVER S: Orphan S3 SAVAGE FRAMEBUFFER DRIVER -P: Antonino Daplas -M: adaplas@pol.net -L: linux-fbdev-devel@lists.sourceforge.net -S: Maintained +P: Antonino Daplas +M: adaplas@pol.net +L: linux-fbdev-devel@lists.sourceforge.net +S: Maintained S390 P: Martin Schwidefsky @@ -2623,10 +2623,10 @@ L: linux-scsi@vger.kernel.org S: Maintained SCTP PROTOCOL -P: Sridhar Samudrala -M: sri@us.ibm.com -L: lksctp-developers@lists.sourceforge.net -S: Supported +P: Sridhar Samudrala +M: sri@us.ibm.com +L: lksctp-developers@lists.sourceforge.net +S: Supported SCx200 CPU SUPPORT P: Jim Cromie @@ -2794,9 +2794,9 @@ L: tpmdd-devel@lists.sourceforge.net S: Maintained Telecom Clock Driver for MCPL0010 -P: Mark Gross -M: mark.gross@intel.com -S: Supported +P: Mark Gross +M: mark.gross@intel.com +S: Supported TENSILICA XTENSA PORT (xtensa): P: Chris Zankel @@ -2943,9 +2943,9 @@ L: linux-kernel@vger.kernel.org S: Maintained TI PARALLEL LINK CABLE DRIVER -P: Romain Lievin -M: roms@lpg.ticalc.org -S: Maintained +P: Romain Lievin +M: roms@lpg.ticalc.org +S: Maintained TIPC NETWORK LAYER P: Per Liden @@ -2995,12 +2995,12 @@ L: linux-kernel@vger.kernel.org S: Maintained TRIVIAL PATCHES -P: Adrian Bunk -M: trivial@kernel.org -L: linux-kernel@vger.kernel.org -W: http://www.kernel.org/pub/linux/kernel/people/bunk/trivial/ -T: git kernel.org:/pub/scm/linux/kernel/git/bunk/trivial.git -S: Maintained +P: Adrian Bunk +M: trivial@kernel.org +L: linux-kernel@vger.kernel.org +W: http://www.kernel.org/pub/linux/kernel/people/bunk/trivial/ +T: git kernel.org:/pub/scm/linux/kernel/git/bunk/trivial.git +S: Maintained TMS380 TOKEN-RING NETWORK DRIVER P: Adam Fritzler diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig index 57f23b4..e316bd9 100644 --- a/arch/arm/mach-ixp4xx/Kconfig +++ b/arch/arm/mach-ixp4xx/Kconfig @@ -133,7 +133,7 @@ config IXP4XX_INDIRECT_PCI into the kernel and we can use the standard read[bwl]/write[bwl] macros. This is the preferred method due to speed but it limits the system to just 64MB of PCI memory. This can be - problamatic if using video cards and other memory-heavy devices. + problematic if using video cards and other memory-heavy devices. 2) If > 64MB of memory space is required, the IXP4xx can be configured to use indirect registers to access PCI This allows diff --git a/arch/arm/mach-lh7a40x/Kconfig b/arch/arm/mach-lh7a40x/Kconfig index 147b019..6f4c6a1 100644 --- a/arch/arm/mach-lh7a40x/Kconfig +++ b/arch/arm/mach-lh7a40x/Kconfig @@ -8,7 +8,7 @@ config MACH_KEV7A400 help Say Y here if you are using the Sharp KEV7A400 development board. This hardware is discontinued, so I'd be very - suprised if you wanted this option. + surprised if you wanted this option. config MACH_LPD7A400 bool "LPD7A400 Card Engine" diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig index 63965c7..9aa26b9 100644 --- a/arch/arm/mach-s3c2410/Kconfig +++ b/arch/arm/mach-s3c2410/Kconfig @@ -91,7 +91,7 @@ config SMDK2440_CPU2442 config MACH_S3C2413 bool help - Internal node for S3C2413 verison of SMDK2413, so that + Internal node for S3C2413 version of SMDK2413, so that machine_is_s3c2413() will work when MACH_SMDK2413 is selected diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index c0bfb82..b09a19f 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -197,7 +197,7 @@ config CPU_ARM940T select CPU_CP15_MPU help ARM940T is a member of the ARM9TDMI family of general- - purpose microprocessors with MPU and seperate 4KB + purpose microprocessors with MPU and separate 4KB instruction and 4KB data cases, each with a 4-word line length. diff --git a/arch/cris/arch-v10/Kconfig b/arch/cris/arch-v10/Kconfig index 44eb1b9..c7ea9ef 100644 --- a/arch/cris/arch-v10/Kconfig +++ b/arch/cris/arch-v10/Kconfig @@ -323,7 +323,7 @@ config ETRAX_DEF_R_WAITSTATES depends on ETRAX_ARCH_V10 default "95a6" help - Waitstates for SRAM, Flash and peripherials (not DRAM). 95f8 is a + Waitstates for SRAM, Flash and peripherals (not DRAM). 95f8 is a good choice for most Axis products... config ETRAX_DEF_R_BUS_CONFIG diff --git a/arch/cris/arch-v10/drivers/Kconfig b/arch/cris/arch-v10/drivers/Kconfig index 734d5f3..e7e724bc 100644 --- a/arch/cris/arch-v10/drivers/Kconfig +++ b/arch/cris/arch-v10/drivers/Kconfig @@ -839,7 +839,7 @@ config ETRAX_DS1302_TRICKLE_CHARGE default "0" help This controls the initial value of the trickle charge register. - 0 = disabled (use this if you are unsure or have a non rechargable battery) + 0 = disabled (use this if you are unsure or have a non rechargeable battery) Otherwise the following values can be OR:ed together to control the charge current: 1 = 2kohm, 2 = 4kohm, 3 = 4kohm diff --git a/arch/cris/arch-v10/drivers/eeprom.c b/arch/cris/arch-v10/drivers/eeprom.c index 6e1f191..284ebfd 100644 --- a/arch/cris/arch-v10/drivers/eeprom.c +++ b/arch/cris/arch-v10/drivers/eeprom.c @@ -1,7 +1,7 @@ /*!***************************************************************************** *! -*! Implements an interface for i2c compatible eeproms to run under linux. -*! Supports 2k, 8k(?) and 16k. Uses adaptive timing adjustents by +*! Implements an interface for i2c compatible eeproms to run under Linux. +*! Supports 2k, 8k(?) and 16k. Uses adaptive timing adjustments by *! Johan.Adolfsson@axis.com *! *! Probing results: @@ -51,7 +51,7 @@ *! Revision 1.8 2001/06/15 13:24:29 jonashg *! * Added verification of pointers from userspace in read and write. *! * Made busy counter volatile. -*! * Added define for inital write delay. +*! * Added define for initial write delay. *! * Removed warnings by using loff_t instead of unsigned long. *! *! Revision 1.7 2001/06/14 15:26:54 jonashg diff --git a/arch/cris/arch-v10/drivers/i2c.c b/arch/cris/arch-v10/drivers/i2c.c index 6114596..092c724 100644 --- a/arch/cris/arch-v10/drivers/i2c.c +++ b/arch/cris/arch-v10/drivers/i2c.c @@ -47,7 +47,7 @@ *! Update Port B register and shadow even when running with hardware support *! to avoid glitches when reading bits *! Never set direction to out in i2c_inbyte -*! Removed incorrect clock togling at end of i2c_inbyte +*! Removed incorrect clock toggling at end of i2c_inbyte *! *! Revision 1.8 2002/08/13 06:31:53 starvik *! Made SDA and SCL line configurable diff --git a/arch/cris/arch-v10/kernel/kgdb.c b/arch/cris/arch-v10/kernel/kgdb.c index 34528da..07628a1 100644 --- a/arch/cris/arch-v10/kernel/kgdb.c +++ b/arch/cris/arch-v10/kernel/kgdb.c @@ -33,7 +33,7 @@ *! *! Revision 1.2 2002/11/19 14:35:24 starvik *! Changes from linux 2.4 -*! Changed struct initializer syntax to the currently prefered notation +*! Changed struct initializer syntax to the currently preferred notation *! *! Revision 1.1 2001/12/17 13:59:27 bjornw *! Initial revision diff --git a/arch/cris/arch-v32/drivers/Kconfig b/arch/cris/arch-v32/drivers/Kconfig index a33097f..f64624f 100644 --- a/arch/cris/arch-v32/drivers/Kconfig +++ b/arch/cris/arch-v32/drivers/Kconfig @@ -88,7 +88,7 @@ config ETRAX_SERIAL_PORT0_DMA7_IN help Enables the DMA7 input channel for ser0 (ttyS0). If you do not enable DMA, an interrupt for each character will be - used when receiveing data. + used when receiving data. Normally you want to use DMA, unless you use the DMA channel for something else. @@ -157,7 +157,7 @@ config ETRAX_SERIAL_PORT1_DMA5_IN help Enables the DMA5 input channel for ser1 (ttyS1). If you do not enable DMA, an interrupt for each character will be - used when receiveing data. + used when receiving data. Normally you want this on, unless you use the DMA channel for something else. @@ -228,7 +228,7 @@ config ETRAX_SERIAL_PORT2_DMA3_IN help Enables the DMA3 input channel for ser2 (ttyS2). If you do not enable DMA, an interrupt for each character will be - used when receiveing data. + used when receiving data. Normally you want to use DMA, unless you use the DMA channel for something else. @@ -297,7 +297,7 @@ config ETRAX_SERIAL_PORT3_DMA9_IN help Enables the DMA9 input channel for ser3 (ttyS3). If you do not enable DMA, an interrupt for each character will be - used when receiveing data. + used when receiving data. Normally you want to use DMA, unless you use the DMA channel for something else. diff --git a/arch/i386/kernel/cpuid.c b/arch/i386/kernel/cpuid.c index fde8bea..ab0c327 100644 --- a/arch/i386/kernel/cpuid.c +++ b/arch/i386/kernel/cpuid.c @@ -156,14 +156,14 @@ static struct file_operations cpuid_fops = { .open = cpuid_open, }; -static int cpuid_class_device_create(int i) +static int cpuid_device_create(int i) { int err = 0; - struct class_device *class_err; + struct device *dev; - class_err = class_device_create(cpuid_class, NULL, MKDEV(CPUID_MAJOR, i), NULL, "cpu%d",i); - if (IS_ERR(class_err)) - err = PTR_ERR(class_err); + dev = device_create(cpuid_class, NULL, MKDEV(CPUID_MAJOR, i), "cpu%d",i); + if (IS_ERR(dev)) + err = PTR_ERR(dev); return err; } @@ -174,10 +174,10 @@ static int cpuid_class_cpu_callback(struct notifier_block *nfb, unsigned long ac switch (action) { case CPU_ONLINE: - cpuid_class_device_create(cpu); + cpuid_device_create(cpu); break; case CPU_DEAD: - class_device_destroy(cpuid_class, MKDEV(CPUID_MAJOR, cpu)); + device_destroy(cpuid_class, MKDEV(CPUID_MAJOR, cpu)); break; } return NOTIFY_OK; @@ -206,7 +206,7 @@ static int __init cpuid_init(void) goto out_chrdev; } for_each_online_cpu(i) { - err = cpuid_class_device_create(i); + err = cpuid_device_create(i); if (err != 0) goto out_class; } @@ -218,7 +218,7 @@ static int __init cpuid_init(void) out_class: i = 0; for_each_online_cpu(i) { - class_device_destroy(cpuid_class, MKDEV(CPUID_MAJOR, i)); + device_destroy(cpuid_class, MKDEV(CPUID_MAJOR, i)); } class_destroy(cpuid_class); out_chrdev: @@ -232,7 +232,7 @@ static void __exit cpuid_exit(void) int cpu = 0; for_each_online_cpu(cpu) - class_device_destroy(cpuid_class, MKDEV(CPUID_MAJOR, cpu)); + device_destroy(cpuid_class, MKDEV(CPUID_MAJOR, cpu)); class_destroy(cpuid_class); unregister_chrdev(CPUID_MAJOR, "cpu/cpuid"); unregister_hotcpu_notifier(&cpuid_class_cpu_notifier); diff --git a/arch/i386/kernel/msr.c b/arch/i386/kernel/msr.c index d535cdb..a773f77 100644 --- a/arch/i386/kernel/msr.c +++ b/arch/i386/kernel/msr.c @@ -239,14 +239,14 @@ static struct file_operations msr_fops = { .open = msr_open, }; -static int msr_class_device_create(int i) +static int msr_device_create(int i) { int err = 0; - struct class_device *class_err; + struct device *dev; - class_err = class_device_create(msr_class, NULL, MKDEV(MSR_MAJOR, i), NULL, "msr%d",i); - if (IS_ERR(class_err)) - err = PTR_ERR(class_err); + dev = device_create(msr_class, NULL, MKDEV(MSR_MAJOR, i), "msr%d",i); + if (IS_ERR(dev)) + err = PTR_ERR(dev); return err; } @@ -258,10 +258,10 @@ static int msr_class_cpu_callback(struct notifier_block *nfb, switch (action) { case CPU_ONLINE: - msr_class_device_create(cpu); + msr_device_create(cpu); break; case CPU_DEAD: - class_device_destroy(msr_class, MKDEV(MSR_MAJOR, cpu)); + device_destroy(msr_class, MKDEV(MSR_MAJOR, cpu)); break; } return NOTIFY_OK; @@ -290,7 +290,7 @@ static int __init msr_init(void) goto out_chrdev; } for_each_online_cpu(i) { - err = msr_class_device_create(i); + err = msr_device_create(i); if (err != 0) goto out_class; } @@ -302,7 +302,7 @@ static int __init msr_init(void) out_class: i = 0; for_each_online_cpu(i) - class_device_destroy(msr_class, MKDEV(MSR_MAJOR, i)); + device_destroy(msr_class, MKDEV(MSR_MAJOR, i)); class_destroy(msr_class); out_chrdev: unregister_chrdev(MSR_MAJOR, "cpu/msr"); @@ -314,7 +314,7 @@ static void __exit msr_exit(void) { int cpu = 0; for_each_online_cpu(cpu) - class_device_destroy(msr_class, MKDEV(MSR_MAJOR, cpu)); + device_destroy(msr_class, MKDEV(MSR_MAJOR, cpu)); class_destroy(msr_class); unregister_chrdev(MSR_MAJOR, "cpu/msr"); unregister_hotcpu_notifier(&msr_class_cpu_notifier); diff --git a/arch/i386/kernel/pci-dma.c b/arch/i386/kernel/pci-dma.c index 25fe668..5c8c6ef 100644 --- a/arch/i386/kernel/pci-dma.c +++ b/arch/i386/kernel/pci-dma.c @@ -75,7 +75,7 @@ EXPORT_SYMBOL(dma_free_coherent); int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr, dma_addr_t device_addr, size_t size, int flags) { - void __iomem *mem_base; + void __iomem *mem_base = NULL; int pages = size >> PAGE_SHIFT; int bitmap_size = (pages + 31)/32; @@ -114,6 +114,8 @@ int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr, free1_out: kfree(dev->dma_mem->bitmap); out: + if (mem_base) + iounmap(mem_base); return 0; } EXPORT_SYMBOL(dma_declare_coherent_memory); diff --git a/arch/i386/pci/common.c b/arch/i386/pci/common.c index cdfcf97..53ca6e8 100644 --- a/arch/i386/pci/common.c +++ b/arch/i386/pci/common.c @@ -20,7 +20,7 @@ unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 | PCI_PROBE_MMCONF; -int pci_bf_sort; +static int pci_bf_sort; int pci_routeirq; int pcibios_last_bus = -1; unsigned long pirq_table_addr; diff --git a/arch/i386/pci/fixup.c b/arch/i386/pci/fixup.c index c1949ff..cde1170 100644 --- a/arch/i386/pci/fixup.c +++ b/arch/i386/pci/fixup.c @@ -74,52 +74,6 @@ static void __devinit pci_fixup_ncr53c810(struct pci_dev *d) } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NCR, PCI_DEVICE_ID_NCR_53C810, pci_fixup_ncr53c810); -static void __devinit pci_fixup_ide_bases(struct pci_dev *d) -{ - int i; - - /* - * PCI IDE controllers use non-standard I/O port decoding, respect it. - */ - if ((d->class >> 8) != PCI_CLASS_STORAGE_IDE) - return; - DBG("PCI: IDE base address fixup for %s\n", pci_name(d)); - for(i=0; i<4; i++) { - struct resource *r = &d->resource[i]; - if ((r->start & ~0x80) == 0x374) { - r->start |= 2; - r->end = r->start; - } - } -} -DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pci_fixup_ide_bases); - -static void __devinit pci_fixup_ide_trash(struct pci_dev *d) -{ - int i; - - /* - * Runs the fixup only for the first IDE controller - * (Shai Fultheim - shai@ftcon.com) - */ - static int called = 0; - if (called) - return; - called = 1; - - /* - * There exist PCI IDE controllers which have utter garbage - * in first four base registers. Ignore that. - */ - DBG("PCI: IDE base address trash cleared for %s\n", pci_name(d)); - for(i=0; i<4; i++) - d->resource[i].start = d->resource[i].end = d->resource[i].flags = 0; -} -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_5513, pci_fixup_ide_trash); -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_10, pci_fixup_ide_trash); -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_11, pci_fixup_ide_trash); -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_9, pci_fixup_ide_trash); - static void __devinit pci_fixup_latency(struct pci_dev *d) { /* diff --git a/arch/i386/pci/i386.c b/arch/i386/pci/i386.c index 9858029..43005f0 100644 --- a/arch/i386/pci/i386.c +++ b/arch/i386/pci/i386.c @@ -104,16 +104,24 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list) /* Depth-First Search on bus tree */ list_for_each_entry(bus, bus_list, node) { if ((dev = bus->self)) { - for (idx = PCI_BRIDGE_RESOURCES; idx < PCI_NUM_RESOURCES; idx++) { + for (idx = PCI_BRIDGE_RESOURCES; + idx < PCI_NUM_RESOURCES; idx++) { r = &dev->resource[idx]; if (!r->flags) continue; pr = pci_find_parent_resource(dev, r); - if (!r->start || !pr || request_resource(pr, r) < 0) { - printk(KERN_ERR "PCI: Cannot allocate resource region %d of bridge %s\n", idx, pci_name(dev)); - /* Something is wrong with the region. - Invalidate the resource to prevent child - resource allocations in this range. */ + if (!r->start || !pr || + request_resource(pr, r) < 0) { + printk(KERN_ERR "PCI: Cannot allocate " + "resource region %d " + "of bridge %s\n", + idx, pci_name(dev)); + /* + * Something is wrong with the region. + * Invalidate the resource to prevent + * child resource allocations in this + * range. + */ r->flags = 0; } } @@ -131,7 +139,7 @@ static void __init pcibios_allocate_resources(int pass) for_each_pci_dev(dev) { pci_read_config_word(dev, PCI_COMMAND, &command); - for(idx = 0; idx < 6; idx++) { + for (idx = 0; idx < PCI_ROM_RESOURCE; idx++) { r = &dev->resource[idx]; if (r->parent) /* Already allocated */ continue; @@ -142,11 +150,15 @@ static void __init pcibios_allocate_resources(int pass) else disabled = !(command & PCI_COMMAND_MEMORY); if (pass == disabled) { - DBG("PCI: Resource %08lx-%08lx (f=%lx, d=%d, p=%d)\n", + DBG("PCI: Resource %08lx-%08lx " + "(f=%lx, d=%d, p=%d)\n", r->start, r->end, r->flags, disabled, pass); pr = pci_find_parent_resource(dev, r); if (!pr || request_resource(pr, r) < 0) { - printk(KERN_ERR "PCI: Cannot allocate resource region %d of device %s\n", idx, pci_name(dev)); + printk(KERN_ERR "PCI: Cannot allocate " + "resource region %d " + "of device %s\n", + idx, pci_name(dev)); /* We'll assign a new address later */ r->end -= r->start; r->start = 0; @@ -156,12 +168,16 @@ static void __init pcibios_allocate_resources(int pass) if (!pass) { r = &dev->resource[PCI_ROM_RESOURCE]; if (r->flags & IORESOURCE_ROM_ENABLE) { - /* Turn the ROM off, leave the resource region, but keep it unregistered. */ + /* Turn the ROM off, leave the resource region, + * but keep it unregistered. */ u32 reg; - DBG("PCI: Switching off ROM of %s\n", pci_name(dev)); + DBG("PCI: Switching off ROM of %s\n", + pci_name(dev)); r->flags &= ~IORESOURCE_ROM_ENABLE; - pci_read_config_dword(dev, dev->rom_base_reg, ®); - pci_write_config_dword(dev, dev->rom_base_reg, reg & ~PCI_ROM_ADDRESS_ENABLE); + pci_read_config_dword(dev, + dev->rom_base_reg, ®); + pci_write_config_dword(dev, dev->rom_base_reg, + reg & ~PCI_ROM_ADDRESS_ENABLE); } } } @@ -173,9 +189,11 @@ static int __init pcibios_assign_resources(void) struct resource *r, *pr; if (!(pci_probe & PCI_ASSIGN_ROMS)) { - /* Try to use BIOS settings for ROMs, otherwise let - pci_assign_unassigned_resources() allocate the new - addresses. */ + /* + * Try to use BIOS settings for ROMs, otherwise let + * pci_assign_unassigned_resources() allocate the new + * addresses. + */ for_each_pci_dev(dev) { r = &dev->resource[PCI_ROM_RESOURCE]; if (!r->flags || !r->start) @@ -215,9 +233,9 @@ int pcibios_enable_resources(struct pci_dev *dev, int mask) pci_read_config_word(dev, PCI_COMMAND, &cmd); old_cmd = cmd; - for(idx = 0; idx < PCI_NUM_RESOURCES; idx++) { + for (idx = 0; idx < PCI_NUM_RESOURCES; idx++) { /* Only set up the requested stuff */ - if (!(mask & (1<<idx))) + if (!(mask & (1 << idx))) continue; r = &dev->resource[idx]; @@ -227,7 +245,9 @@ int pcibios_enable_resources(struct pci_dev *dev, int mask) (!(r->flags & IORESOURCE_ROM_ENABLE))) continue; if (!r->start && r->end) { - printk(KERN_ERR "PCI: Device %s not available because of resource collisions\n", pci_name(dev)); + printk(KERN_ERR "PCI: Device %s not available " + "because of resource collisions\n", + pci_name(dev)); return -EINVAL; } if (r->flags & IORESOURCE_IO) @@ -236,7 +256,8 @@ int pcibios_enable_resources(struct pci_dev *dev, int mask) cmd |= PCI_COMMAND_MEMORY; } if (cmd != old_cmd) { - printk("PCI: Enabling device %s (%04x -> %04x)\n", pci_name(dev), old_cmd, cmd); + printk("PCI: Enabling device %s (%04x -> %04x)\n", + pci_name(dev), old_cmd, cmd); pci_write_config_word(dev, PCI_COMMAND, cmd); } return 0; @@ -258,7 +279,8 @@ void pcibios_set_master(struct pci_dev *dev) lat = pcibios_max_latency; else return; - printk(KERN_DEBUG "PCI: Setting latency timer of device %s to %d\n", pci_name(dev), lat); + printk(KERN_DEBUG "PCI: Setting latency timer of device %s to %d\n", + pci_name(dev), lat); pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); } diff --git a/arch/i386/pci/irq.c b/arch/i386/pci/irq.c index 6916399..e65551c 100644 --- a/arch/i386/pci/irq.c +++ b/arch/i386/pci/irq.c @@ -543,6 +543,12 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route case PCI_DEVICE_ID_INTEL_ICH8_2: case PCI_DEVICE_ID_INTEL_ICH8_3: case PCI_DEVICE_ID_INTEL_ICH8_4: + case PCI_DEVICE_ID_INTEL_ICH9_0: + case PCI_DEVICE_ID_INTEL_ICH9_1: + case PCI_DEVICE_ID_INTEL_ICH9_2: + case PCI_DEVICE_ID_INTEL_ICH9_3: + case PCI_DEVICE_ID_INTEL_ICH9_4: + case PCI_DEVICE_ID_INTEL_ICH9_5: r->name = "PIIX/ICH"; r->get = pirq_piix_get; r->set = pirq_piix_set; diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c index db8e1fc..14691cd 100644 --- a/arch/ia64/hp/common/sba_iommu.c +++ b/arch/ia64/hp/common/sba_iommu.c @@ -75,7 +75,7 @@ ** If a device prefetches beyond the end of a valid pdir entry, it will cause ** a hard failure, ie. MCA. Version 3.0 and later of the zx1 LBA should ** disconnect on 4k boundaries and prevent such issues. If the device is -** particularly agressive, this option will keep the entire pdir valid such +** particularly aggressive, this option will keep the entire pdir valid such ** that prefetching will hit a valid address. This could severely impact ** error containment, and is therefore off by default. The page that is ** used for spill-over is poisoned, so that should help debugging somewhat. @@ -258,10 +258,10 @@ static u64 prefetch_spill_page; /* ** DMA_CHUNK_SIZE is used by the SCSI mid-layer to break up -** (or rather not merge) DMA's into managable chunks. +** (or rather not merge) DMAs into manageable chunks. ** On parisc, this is more of the software/tuning constraint -** rather than the HW. I/O MMU allocation alogorithms can be -** faster with smaller size is (to some degree). +** rather than the HW. I/O MMU allocation algorithms can be +** faster with smaller sizes (to some degree). */ #define DMA_CHUNK_SIZE (BITS_PER_LONG*iovp_size) diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c index b30be7c..f4edfbf 100644 --- a/arch/ia64/pci/pci.c +++ b/arch/ia64/pci/pci.c @@ -469,10 +469,11 @@ pcibios_fixup_resources(struct pci_dev *dev, int start, int limit) } } -static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev) +void __devinit pcibios_fixup_device_resources(struct pci_dev *dev) { pcibios_fixup_resources(dev, 0, PCI_BRIDGE_RESOURCES); } +EXPORT_SYMBOL_GPL(pcibios_fixup_device_resources); static void __devinit pcibios_fixup_bridge_resources(struct pci_dev *dev) { @@ -493,6 +494,7 @@ pcibios_fixup_bus (struct pci_bus *b) } list_for_each_entry(dev, &b->devices, bus_list) pcibios_fixup_device_resources(dev); + platform_pci_fixup_bus(b); return; } @@ -738,75 +740,44 @@ int ia64_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size) return ret; } +/* It's defined in drivers/pci/pci.c */ +extern u8 pci_cache_line_size; + /** - * pci_cacheline_size - determine cacheline size for PCI devices - * @dev: void + * set_pci_cacheline_size - determine cacheline size for PCI devices * * We want to use the line-size of the outer-most cache. We assume * that this line-size is the same for all CPUs. * * Code mostly taken from arch/ia64/kernel/palinfo.c:cache_info(). - * - * RETURNS: An appropriate -ERRNO error value on eror, or zero for success. */ -static unsigned long -pci_cacheline_size (void) +static void __init set_pci_cacheline_size(void) { u64 levels, unique_caches; s64 status; pal_cache_config_info_t cci; - static u8 cacheline_size; - - if (cacheline_size) - return cacheline_size; status = ia64_pal_cache_summary(&levels, &unique_caches); if (status != 0) { - printk(KERN_ERR "%s: ia64_pal_cache_summary() failed (status=%ld)\n", - __FUNCTION__, status); - return SMP_CACHE_BYTES; + printk(KERN_ERR "%s: ia64_pal_cache_summary() failed " + "(status=%ld)\n", __FUNCTION__, status); + return; } - status = ia64_pal_cache_config_info(levels - 1, /* cache_type (data_or_unified)= */ 2, - &cci); + status = ia64_pal_cache_config_info(levels - 1, + /* cache_type (data_or_unified)= */ 2, &cci); if (status != 0) { - printk(KERN_ERR "%s: ia64_pal_cache_config_info() failed (status=%ld)\n", - __FUNCTION__, status); - return SMP_CACHE_BYTES; + printk(KERN_ERR "%s: ia64_pal_cache_config_info() failed " + "(status=%ld)\n", __FUNCTION__, status); + return; } - cacheline_size = 1 << cci.pcci_line_size; - return cacheline_size; + pci_cache_line_size = (1 << cci.pcci_line_size) / 4; } -/** - * pcibios_prep_mwi - helper function for drivers/pci/pci.c:pci_set_mwi() - * @dev: the PCI device for which MWI is enabled - * - * For ia64, we can get the cacheline sizes from PAL. - * - * RETURNS: An appropriate -ERRNO error value on eror, or zero for success. - */ -int -pcibios_prep_mwi (struct pci_dev *dev) -{ - unsigned long desired_linesize, current_linesize; - int rc = 0; - u8 pci_linesize; - - desired_linesize = pci_cacheline_size(); - - pci_read_config_byte(dev, PCI_CACHE_LINE_SIZE, &pci_linesize); - current_linesize = 4 * pci_linesize; - if (desired_linesize != current_linesize) { - printk(KERN_WARNING "PCI: slot %s has incorrect PCI cache line size of %lu bytes,", - pci_name(dev), current_linesize); - if (current_linesize > desired_linesize) { - printk(" expected %lu bytes instead\n", desired_linesize); - rc = -EINVAL; - } else { - printk(" correcting to %lu\n", desired_linesize); - pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, desired_linesize / 4); - } - } - return rc; +static int __init pcibios_init(void) +{ + set_pci_cacheline_size(); + return 0; } + +subsys_initcall(pcibios_init); diff --git a/arch/ia64/sn/kernel/Makefile b/arch/ia64/sn/kernel/Makefile index 2d78f34..0a59371 100644 --- a/arch/ia64/sn/kernel/Makefile +++ b/arch/ia64/sn/kernel/Makefile @@ -4,13 +4,14 @@ # License. See the file "COPYING" in the main directory of this archive # for more details. # -# Copyright (C) 1999,2001-2005 Silicon Graphics, Inc. All Rights Reserved. +# Copyright (C) 1999,2001-2006 Silicon Graphics, Inc. All Rights Reserved. # CPPFLAGS += -I$(srctree)/arch/ia64/sn/include obj-y += setup.o bte.o bte_error.o irq.o mca.o idle.o \ - huberror.o io_init.o iomv.o klconflib.o pio_phys.o \ + huberror.o io_acpi_init.o io_common.o \ + io_init.o iomv.o klconflib.o pio_phys.o \ sn2/ obj-$(CONFIG_IA64_GENERIC) += machvec.o obj-$(CONFIG_SGI_TIOCX) += tiocx.o diff --git a/arch/ia64/sn/kernel/io_acpi_init.c b/arch/ia64/sn/kernel/io_acpi_init.c new file mode 100644 index 0000000..99d7f27 --- /dev/null +++ b/arch/ia64/sn/kernel/io_acpi_init.c @@ -0,0 +1,231 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2006 Silicon Graphics, Inc. All rights reserved. + */ + +#include <asm/sn/types.h> +#include <asm/sn/addrs.h> +#include <asm/sn/pcidev.h> +#include <asm/sn/pcibus_provider_defs.h> +#include <asm/sn/sn_sal.h> +#include "xtalk/hubdev.h" +#include <linux/acpi.h> + + +/* + * The code in this file will only be executed when running with + * a PROM that has ACPI IO support. (i.e., SN_ACPI_BASE_SUPPORT() == 1) + */ + + +/* + * This value must match the UUID the PROM uses + * (io/acpi/defblk.c) when building a vendor descriptor. + */ +struct acpi_vendor_uuid sn_uuid = { + .subtype = 0, + .data = { 0x2c, 0xc6, 0xa6, 0xfe, 0x9c, 0x44, 0xda, 0x11, + 0xa2, 0x7c, 0x08, 0x00, 0x69, 0x13, 0xea, 0x51 }, +}; + +/* + * Perform the early IO init in PROM. + */ +static s64 +sal_ioif_init(u64 *result) +{ + struct ia64_sal_retval isrv = {0,0,0,0}; + + SAL_CALL_NOLOCK(isrv, + SN_SAL_IOIF_INIT, 0, 0, 0, 0, 0, 0, 0); + *result = isrv.v0; + return isrv.status; +} + +/* + * sn_hubdev_add - The 'add' function of the acpi_sn_hubdev_driver. + * Called for every "SGIHUB" or "SGITIO" device defined + * in the ACPI namespace. + */ +static int __init +sn_hubdev_add(struct acpi_device *device) +{ + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + u64 addr; + struct hubdev_info *hubdev; + struct hubdev_info *hubdev_ptr; + int i; + u64 nasid; + struct acpi_resource *resource; + int ret = 0; + acpi_status status; + struct acpi_resource_vendor_typed *vendor; + extern void sn_common_hubdev_init(struct hubdev_info *); + + status = acpi_get_vendor_resource(device->handle, METHOD_NAME__CRS, + &sn_uuid, &buffer); + if (ACPI_FAILURE(status)) { + printk(KERN_ERR + "sn_hubdev_add: acpi_get_vendor_resource() failed: %d\n", + status); + return 1; + } + + resource = buffer.pointer; + vendor = &resource->data.vendor_typed; + if ((vendor->byte_length - sizeof(struct acpi_vendor_uuid)) != + sizeof(struct hubdev_info *)) { + printk(KERN_ERR + "sn_hubdev_add: Invalid vendor data length: %d\n", + vendor->byte_length); + ret = 1; + goto exit; + } + + memcpy(&addr, vendor->byte_data, sizeof(struct hubdev_info *)); + hubdev_ptr = __va((struct hubdev_info *) addr); + + nasid = hubdev_ptr->hdi_nasid; + i = nasid_to_cnodeid(nasid); + hubdev = (struct hubdev_info *)(NODEPDA(i)->pdinfo); + *hubdev = *hubdev_ptr; + sn_common_hubdev_init(hubdev); + +exit: + kfree(buffer.pointer); + return ret; +} + +/* + * sn_get_bussoft_ptr() - The pcibus_bussoft pointer is found in + * the ACPI Vendor resource for this bus. + */ +static struct pcibus_bussoft * +sn_get_bussoft_ptr(struct pci_bus *bus) +{ + u64 addr; + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + acpi_handle handle; + struct pcibus_bussoft *prom_bussoft_ptr; + struct acpi_resource *resource; + acpi_status status; + struct acpi_resource_vendor_typed *vendor; + + + handle = PCI_CONTROLLER(bus)->acpi_handle; + status = acpi_get_vendor_resource(handle, METHOD_NAME__CRS, + &sn_uuid, &buffer); + if (ACPI_FAILURE(status)) { + printk(KERN_ERR "get_acpi_pcibus_ptr: " + "get_acpi_bussoft_info() failed: %d\n", + status); + return NULL; + } + resource = buffer.pointer; + vendor = &resource->data.vendor_typed; + + if ((vendor->byte_length - sizeof(struct acpi_vendor_uuid)) != + sizeof(struct pcibus_bussoft *)) { + printk(KERN_ERR + "get_acpi_bussoft_ptr: Invalid vendor data " + "length %d\n", vendor->byte_length); + kfree(buffer.pointer); + return NULL; + } + memcpy(&addr, vendor->byte_data, sizeof(struct pcibus_bussoft *)); + prom_bussoft_ptr = __va((struct pcibus_bussoft *) addr); + kfree(buffer.pointer); + + return prom_bussoft_ptr; +} + +/* + * sn_acpi_bus_fixup + */ +void +sn_acpi_bus_fixup(struct pci_bus *bus) +{ + struct pci_dev *pci_dev = NULL; + struct pcibus_bussoft *prom_bussoft_ptr; + extern void sn_common_bus_fixup(struct pci_bus *, + struct pcibus_bussoft *); + + if (!bus->parent) { /* If root bus */ + prom_bussoft_ptr = sn_get_bussoft_ptr(bus); + if (prom_bussoft_ptr == NULL) { + printk(KERN_ERR + "sn_pci_fixup_bus: 0x%04x:0x%02x Unable to " + "obtain prom_bussoft_ptr\n", + pci_domain_nr(bus), bus->number); + return; + } + sn_common_bus_fixup(bus, prom_bussoft_ptr); + } + list_for_each_entry(pci_dev, &bus->devices, bus_list) { + sn_pci_fixup_slot(pci_dev); + } +} + +/* + * sn_acpi_slot_fixup - Perform any SN specific slot fixup. + * At present there does not appear to be + * any generic way to handle a ROM image + * that has been shadowed by the PROM, so + * we pass a pointer to it within the + * pcidev_info structure. + */ + +void +sn_acpi_slot_fixup(struct pci_dev *dev, struct pcidev_info *pcidev_info) +{ + void __iomem *addr; + size_t size; + + if (pcidev_info->pdi_pio_mapped_addr[PCI_ROM_RESOURCE]) { + /* + * A valid ROM image exists and has been shadowed by the + * PROM. Setup the pci_dev ROM resource to point to + * the shadowed copy. + */ + size = dev->resource[PCI_ROM_RESOURCE].end - + dev->resource[PCI_ROM_RESOURCE].start; + addr = + ioremap(pcidev_info->pdi_pio_mapped_addr[PCI_ROM_RESOURCE], + size); + dev->resource[PCI_ROM_RESOURCE].start = (unsigned long) addr; + dev->resource[PCI_ROM_RESOURCE].end = + (unsigned long) addr + size; + dev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_BIOS_COPY; + } +} + +static struct acpi_driver acpi_sn_hubdev_driver = { + .name = "SGI HUBDEV Driver", + .ids = "SGIHUB,SGITIO", + .ops = { + .add = sn_hubdev_add, + }, +}; + + +/* + * sn_io_acpi_init - PROM has ACPI support for IO, defining at a minimum the + * nodes and root buses in the DSDT. As a result, bus scanning + * will be initiated by the Linux ACPI code. + */ + +void __init +sn_io_acpi_init(void) +{ + u64 result; + s64 status; + + acpi_bus_register_driver(&acpi_sn_hubdev_driver); + status = sal_ioif_init(&result); + if (status || result) + panic("sal_ioif_init failed: [%lx] %s\n", + status, ia64_sal_strerror(status)); +} diff --git a/arch/ia64/sn/kernel/io_common.c b/arch/ia64/sn/kernel/io_common.c new file mode 100644 index 0000000..d4dd8f4 --- /dev/null +++ b/arch/ia64/sn/kernel/io_common.c @@ -0,0 +1,613 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2006 Silicon Graphics, Inc. All rights reserved. + */ + +#include <linux/bootmem.h> +#include <asm/sn/types.h> +#include <asm/sn/addrs.h> +#include <asm/sn/sn_feature_sets.h> +#include <asm/sn/geo.h> +#include <asm/sn/io.h> +#include <asm/sn/l1.h> +#include <asm/sn/module.h> +#include <asm/sn/pcibr_provider.h> +#include <asm/sn/pcibus_provider_defs.h> +#include <asm/sn/pcidev.h> +#include <asm/sn/simulator.h> +#include <asm/sn/sn_sal.h> +#include <asm/sn/tioca_provider.h> +#include <asm/sn/tioce_provider.h> +#include "xtalk/hubdev.h" +#include "xtalk/xwidgetdev.h" +#include <linux/acpi.h> +#include <asm/sn/sn2/sn_hwperf.h> +#include <asm/sn/acpi.h> + +extern void sn_init_cpei_timer(void); +extern void register_sn_procfs(void); +extern void sn_acpi_bus_fixup(struct pci_bus *); +extern void sn_bus_fixup(struct pci_bus *); +extern void sn_acpi_slot_fixup(struct pci_dev *, struct pcidev_info *); +extern void sn_more_slot_fixup(struct pci_dev *, struct pcidev_info *); +extern void sn_legacy_pci_window_fixup(struct pci_controller *, u64, u64); +extern void sn_io_acpi_init(void); +extern void sn_io_init(void); + + +static struct list_head sn_sysdata_list; + +/* sysdata list struct */ +struct sysdata_el { + struct list_head entry; + void *sysdata; +}; + +int sn_ioif_inited; /* SN I/O infrastructure initialized? */ + +struct sn_pcibus_provider *sn_pci_provider[PCIIO_ASIC_MAX_TYPES]; /* indexed by asic type */ + +/* + * Hooks and struct for unsupported pci providers + */ + +static dma_addr_t +sn_default_pci_map(struct pci_dev *pdev, unsigned long paddr, size_t size, int type) +{ + return 0; +} + +static void +sn_default_pci_unmap(struct pci_dev *pdev, dma_addr_t addr, int direction) +{ + return; +} + +static void * +sn_default_pci_bus_fixup(struct pcibus_bussoft *soft, struct pci_controller *controller) +{ + return NULL; +} + +static struct sn_pcibus_provider sn_pci_default_provider = { + .dma_map = sn_default_pci_map, + .dma_map_consistent = sn_default_pci_map, + .dma_unmap = sn_default_pci_unmap, + .bus_fixup = sn_default_pci_bus_fixup, +}; + +/* + * Retrieve the DMA Flush List given nasid, widget, and device. + * This list is needed to implement the WAR - Flush DMA data on PIO Reads. + */ +static inline u64 +sal_get_device_dmaflush_list(u64 nasid, u64 widget_num, u64 device_num, + u64 address) +{ + struct ia64_sal_retval ret_stuff; + ret_stuff.status = 0; + ret_stuff.v0 = 0; + + SAL_CALL_NOLOCK(ret_stuff, + (u64) SN_SAL_IOIF_GET_DEVICE_DMAFLUSH_LIST, + (u64) nasid, (u64) widget_num, + (u64) device_num, (u64) address, 0, 0, 0); + return ret_stuff.status; +} + +/* + * Retrieve the pci device information given the bus and device|function number. + */ +static inline u64 +sal_get_pcidev_info(u64 segment, u64 bus_number, u64 devfn, u64 pci_dev, + u64 sn_irq_info) +{ + struct ia64_sal_retval ret_stuff; + ret_stuff.status = 0; + ret_stuff.v0 = 0; + + SAL_CALL_NOLOCK(ret_stuff, + (u64) SN_SAL_IOIF_GET_PCIDEV_INFO, + (u64) segment, (u64) bus_number, (u64) devfn, + (u64) pci_dev, + sn_irq_info, 0, 0); + return ret_stuff.v0; +} + +/* + * sn_pcidev_info_get() - Retrieve the pcidev_info struct for the specified + * device. + */ +inline struct pcidev_info * +sn_pcidev_info_get(struct pci_dev *dev) +{ + struct pcidev_info *pcidev; + + list_for_each_entry(pcidev, + &(SN_PLATFORM_DATA(dev)->pcidev_info), pdi_list) { + if (pcidev->pdi_linux_pcidev == dev) + return pcidev; + } + return NULL; +} + +/* Older PROM flush WAR + * + * 01/16/06 -- This war will be in place until a new official PROM is released. + * Additionally note that the struct sn_flush_device_war also has to be + * removed from arch/ia64/sn/include/xtalk/hubdev.h + */ +static u8 war_implemented = 0; + +static s64 sn_device_fixup_war(u64 nasid, u64 widget, int device, + struct sn_flush_device_common *common) +{ + struct sn_flush_device_war *war_list; + struct sn_flush_device_war *dev_entry; + struct ia64_sal_retval isrv = {0,0,0,0}; + + if (!war_implemented) { + printk(KERN_WARNING "PROM version < 4.50 -- implementing old " + "PROM flush WAR\n"); + war_implemented = 1; + } + + war_list = kzalloc(DEV_PER_WIDGET * sizeof(*war_list), GFP_KERNEL); + if (!war_list) + BUG(); + + SAL_CALL_NOLOCK(isrv, SN_SAL_IOIF_GET_WIDGET_DMAFLUSH_LIST, + nasid, widget, __pa(war_list), 0, 0, 0 ,0); + if (isrv.status) + panic("sn_device_fixup_war failed: %s\n", + ia64_sal_strerror(isrv.status)); + + dev_entry = war_list + device; + memcpy(common,dev_entry, sizeof(*common)); + kfree(war_list); + + return isrv.status; +} + +/* + * sn_common_hubdev_init() - This routine is called to initialize the HUB data + * structure for each node in the system. + */ +void __init +sn_common_hubdev_init(struct hubdev_info *hubdev) +{ + + struct sn_flush_device_kernel *sn_flush_device_kernel; + struct sn_flush_device_kernel *dev_entry; + s64 status; + int widget, device, size; + + /* Attach the error interrupt handlers */ + if (hubdev->hdi_nasid & 1) /* If TIO */ + ice_error_init(hubdev); + else + hub_error_init(hubdev); + + for (widget = 0; widget <= HUB_WIDGET_ID_MAX; widget++) + hubdev->hdi_xwidget_info[widget].xwi_hubinfo = hubdev; + + if (!hubdev->hdi_flush_nasid_list.widget_p) + return; + + size = (HUB_WIDGET_ID_MAX + 1) * + sizeof(struct sn_flush_device_kernel *); + hubdev->hdi_flush_nasid_list.widget_p = + kzalloc(size, GFP_KERNEL); + if (!hubdev->hdi_flush_nasid_list.widget_p) + BUG(); + + for (widget = 0; widget <= HUB_WIDGET_ID_MAX; widget++) { + size = DEV_PER_WIDGET * + sizeof(struct sn_flush_device_kernel); + sn_flush_device_kernel = kzalloc(size, GFP_KERNEL); + if (!sn_flush_device_kernel) + BUG(); + + dev_entry = sn_flush_device_kernel; + for (device = 0; device < DEV_PER_WIDGET; + device++, dev_entry++) { + size = sizeof(struct sn_flush_device_common); + dev_entry->common = kzalloc(size, GFP_KERNEL); + if (!dev_entry->common) + BUG(); + if (sn_prom_feature_available(PRF_DEVICE_FLUSH_LIST)) + status = sal_get_device_dmaflush_list( + hubdev->hdi_nasid, widget, device, + (u64)(dev_entry->common)); + else + status = sn_device_fixup_war(hubdev->hdi_nasid, + widget, device, + dev_entry->common); + if (status != SALRET_OK) + panic("SAL call failed: %s\n", + ia64_sal_strerror(status)); + + spin_lock_init(&dev_entry->sfdl_flush_lock); + } + + if (sn_flush_device_kernel) + hubdev->hdi_flush_nasid_list.widget_p[widget] = + sn_flush_device_kernel; + } +} + +void sn_pci_unfixup_slot(struct pci_dev *dev) +{ + struct pci_dev *host_pci_dev = SN_PCIDEV_INFO(dev)->host_pci_dev; + + sn_irq_unfixup(dev); + pci_dev_put(host_pci_dev); + pci_dev_put(dev); +} + +/* + * sn_pci_fixup_slot() - This routine sets up a slot's resources consistent + * with the Linux PCI abstraction layer. Resources + * acquired from our PCI provider include PIO maps + * to BAR space and interrupt objects. + */ +void sn_pci_fixup_slot(struct pci_dev *dev) +{ + int segment = pci_domain_nr(dev->bus); + int status = 0; + struct pcibus_bussoft *bs; + struct pci_bus *host_pci_bus; + struct pci_dev *host_pci_dev; + struct pcidev_info *pcidev_info; + struct sn_irq_info *sn_irq_info; + unsigned int bus_no, devfn; + + pci_dev_get(dev); /* for the sysdata pointer */ + pcidev_info = kzalloc(sizeof(struct pcidev_info), GFP_KERNEL); + if (!pcidev_info) + BUG(); /* Cannot afford to run out of memory */ + + sn_irq_info = kzalloc(sizeof(struct sn_irq_info), GFP_KERNEL); + if (!sn_irq_info) + BUG(); /* Cannot afford to run out of memory */ + + /* Call to retrieve pci device information needed by kernel. */ + status = sal_get_pcidev_info((u64) segment, (u64) dev->bus->number, + dev->devfn, + (u64) __pa(pcidev_info), + (u64) __pa(sn_irq_info)); + if (status) + BUG(); /* Cannot get platform pci device information */ + + /* Add pcidev_info to list in pci_controller.platform_data */ + list_add_tail(&pcidev_info->pdi_list, + &(SN_PLATFORM_DATA(dev->bus)->pcidev_info)); + + if (SN_ACPI_BASE_SUPPORT()) + sn_acpi_slot_fixup(dev, pcidev_info); + else + sn_more_slot_fixup(dev, pcidev_info); + /* + * Using the PROMs values for the PCI host bus, get the Linux + * PCI host_pci_dev struct and set up host bus linkages + */ + + bus_no = (pcidev_info->pdi_slot_host_handle >> 32) & 0xff; + devfn = pcidev_info->pdi_slot_host_handle & 0xffffffff; + host_pci_bus = pci_find_bus(segment, bus_no); + host_pci_dev = pci_get_slot(host_pci_bus, devfn); + + pcidev_info->host_pci_dev = host_pci_dev; + pcidev_info->pdi_linux_pcidev = dev; + pcidev_info->pdi_host_pcidev_info = SN_PCIDEV_INFO(host_pci_dev); + bs = SN_PCIBUS_BUSSOFT(dev->bus); + pcidev_info->pdi_pcibus_info = bs; + + if (bs && bs->bs_asic_type < PCIIO_ASIC_MAX_TYPES) { + SN_PCIDEV_BUSPROVIDER(dev) = sn_pci_provider[bs->bs_asic_type]; + } else { + SN_PCIDEV_BUSPROVIDER(dev) = &sn_pci_default_provider; + } + + /* Only set up IRQ stuff if this device has a host bus context */ + if (bs && sn_irq_info->irq_irq) { + pcidev_info->pdi_sn_irq_info = sn_irq_info; + dev->irq = pcidev_info->pdi_sn_irq_info->irq_irq; + sn_irq_fixup(dev, sn_irq_info); + } else { + pcidev_info->pdi_sn_irq_info = NULL; + kfree(sn_irq_info); + } +} + +/* + * sn_common_bus_fixup - Perform platform specific bus fixup. + * Execute the ASIC specific fixup routine + * for this bus. + */ +void +sn_common_bus_fixup(struct pci_bus *bus, + struct pcibus_bussoft *prom_bussoft_ptr) +{ + int cnode; + struct pci_controller *controller; + struct hubdev_info *hubdev_info; + int nasid; + void *provider_soft; + struct sn_pcibus_provider *provider; + struct sn_platform_data *sn_platform_data; + + controller = PCI_CONTROLLER(bus); + /* + * Per-provider fixup. Copies the bus soft structure from prom + * to local area and links SN_PCIBUS_BUSSOFT(). + */ + + if (prom_bussoft_ptr->bs_asic_type >= PCIIO_ASIC_MAX_TYPES) { + printk(KERN_WARNING "sn_common_bus_fixup: Unsupported asic type, %d", + prom_bussoft_ptr->bs_asic_type); + return; + } + + if (prom_bussoft_ptr->bs_asic_type == PCIIO_ASIC_TYPE_PPB) + return; /* no further fixup necessary */ + + provider = sn_pci_provider[prom_bussoft_ptr->bs_asic_type]; + if (provider == NULL) + panic("sn_common_bus_fixup: No provider registered for this asic type, %d", + prom_bussoft_ptr->bs_asic_type); + + if (provider->bus_fixup) + provider_soft = (*provider->bus_fixup) (prom_bussoft_ptr, + controller); + else + provider_soft = NULL; + + /* + * Generic bus fixup goes here. Don't reference prom_bussoft_ptr + * after this point. + */ + controller->platform_data = kzalloc(sizeof(struct sn_platform_data), + GFP_KERNEL); + if (controller->platform_data == NULL) + BUG(); + sn_platform_data = + (struct sn_platform_data *) controller->platform_data; + sn_platform_data->provider_soft = provider_soft; + INIT_LIST_HEAD(&((struct sn_platform_data *) + controller->platform_data)->pcidev_info); + nasid = NASID_GET(SN_PCIBUS_BUSSOFT(bus)->bs_base); + cnode = nasid_to_cnodeid(nasid); + hubdev_info = (struct hubdev_info *)(NODEPDA(cnode)->pdinfo); + SN_PCIBUS_BUSSOFT(bus)->bs_xwidget_info = + &(hubdev_info->hdi_xwidget_info[SN_PCIBUS_BUSSOFT(bus)->bs_xid]); + + /* + * If the node information we obtained during the fixup phase is + * invalid then set controller->node to -1 (undetermined) + */ + if (controller->node >= num_online_nodes()) { + struct pcibus_bussoft *b = SN_PCIBUS_BUSSOFT(bus); + + printk(KERN_WARNING "Device ASIC=%u XID=%u PBUSNUM=%u" + "L_IO=%lx L_MEM=%lx BASE=%lx\n", + b->bs_asic_type, b->bs_xid, b->bs_persist_busnum, + b->bs_legacy_io, b->bs_legacy_mem, b->bs_base); + printk(KERN_WARNING "on node %d but only %d nodes online." + "Association set to undetermined.\n", + controller->node, num_online_nodes()); + controller->node = -1; + } +} + +void sn_bus_store_sysdata(struct pci_dev *dev) +{ + struct sysdata_el *element; + + element = kzalloc(sizeof(struct sysdata_el), GFP_KERNEL); + if (!element) { + dev_dbg(dev, "%s: out of memory!\n", __FUNCTION__); + return; + } + element->sysdata = SN_PCIDEV_INFO(dev); + list_add(&element->entry, &sn_sysdata_list); +} + +void sn_bus_free_sysdata(void) +{ + struct sysdata_el *element; + struct list_head *list, *safe; + + list_for_each_safe(list, safe, &sn_sysdata_list) { + element = list_entry(list, struct sysdata_el, entry); + list_del(&element->entry); + list_del(&(((struct pcidev_info *) + (element->sysdata))->pdi_list)); + kfree(element->sysdata); + kfree(element); + } + return; +} + +/* + * hubdev_init_node() - Creates the HUB data structure and link them to it's + * own NODE specific data area. + */ +void hubdev_init_node(nodepda_t * npda, cnodeid_t node) +{ + struct hubdev_info *hubdev_info; + int size; + pg_data_t *pg; + + size = sizeof(struct hubdev_info); + + if (node >= num_online_nodes()) /* Headless/memless IO nodes */ + pg = NODE_DATA(0); + else + pg = NODE_DATA(node); + + hubdev_info = (struct hubdev_info *)alloc_bootmem_node(pg, size); + + npda->pdinfo = (void *)hubdev_info; +} + +geoid_t +cnodeid_get_geoid(cnodeid_t cnode) +{ + struct hubdev_info *hubdev; + + hubdev = (struct hubdev_info *)(NODEPDA(cnode)->pdinfo); + return hubdev->hdi_geoid; +} + +void sn_generate_path(struct pci_bus *pci_bus, char *address) +{ + nasid_t nasid; + cnodeid_t cnode; + geoid_t geoid; + moduleid_t moduleid; + u16 bricktype; + + nasid = NASID_GET(SN_PCIBUS_BUSSOFT(pci_bus)->bs_base); + cnode = nasid_to_cnodeid(nasid); + geoid = cnodeid_get_geoid(cnode); + moduleid = geo_module(geoid); + + sprintf(address, "module_%c%c%c%c%.2d", + '0'+RACK_GET_CLASS(MODULE_GET_RACK(moduleid)), + '0'+RACK_GET_GROUP(MODULE_GET_RACK(moduleid)), + '0'+RACK_GET_NUM(MODULE_GET_RACK(moduleid)), + MODULE_GET_BTCHAR(moduleid), MODULE_GET_BPOS(moduleid)); + + /* Tollhouse requires slot id to be displayed */ + bricktype = MODULE_GET_BTYPE(moduleid); + if ((bricktype == L1_BRICKTYPE_191010) || + (bricktype == L1_BRICKTYPE_1932)) + sprintf(address, "%s^%d", address, geo_slot(geoid)); +} + +/* + * sn_pci_fixup_bus() - Perform SN specific setup of software structs + * (pcibus_bussoft, pcidev_info) and hardware + * registers, for the specified bus and devices under it. + */ +void __devinit +sn_pci_fixup_bus(struct pci_bus *bus) +{ + + if (SN_ACPI_BASE_SUPPORT()) + sn_acpi_bus_fixup(bus); + else + sn_bus_fixup(bus); +} + +/* + * sn_io_early_init - Perform early IO (and some non-IO) initialization. + * In particular, setup the sn_pci_provider[] array. + * This needs to be done prior to any bus scanning + * (acpi_scan_init()) in the ACPI case, as the SN + * bus fixup code will reference the array. + */ +static int __init +sn_io_early_init(void) +{ + int i; + + if (!ia64_platform_is("sn2") || IS_RUNNING_ON_FAKE_PROM()) + return 0; + + /* + * prime sn_pci_provider[]. Individial provider init routines will + * override their respective default entries. + */ + + for (i = 0; i < PCIIO_ASIC_MAX_TYPES; i++) + sn_pci_provider[i] = &sn_pci_default_provider; + + pcibr_init_provider(); + tioca_init_provider(); + tioce_init_provider(); + + /* + * This is needed to avoid bounce limit checks in the blk layer + */ + ia64_max_iommu_merge_mask = ~PAGE_MASK; + + sn_irq_lh_init(); + INIT_LIST_HEAD(&sn_sysdata_list); + sn_init_cpei_timer(); + +#ifdef CONFIG_PROC_FS + register_sn_procfs(); +#endif + + printk(KERN_INFO "ACPI DSDT OEM Rev 0x%x\n", + acpi_gbl_DSDT->oem_revision); + if (SN_ACPI_BASE_SUPPORT()) + sn_io_acpi_init(); + else + sn_io_init(); + return 0; +} + +arch_initcall(sn_io_early_init); + +/* + * sn_io_late_init() - Perform any final platform specific IO initialization. + */ + +int __init +sn_io_late_init(void) +{ + struct pci_bus *bus; + struct pcibus_bussoft *bussoft; + cnodeid_t cnode; + nasid_t nasid; + cnodeid_t near_cnode; + + if (!ia64_platform_is("sn2") || IS_RUNNING_ON_FAKE_PROM()) + return 0; + + /* + * Setup closest node in pci_controller->node for + * PIC, TIOCP, TIOCE (TIOCA does it during bus fixup using + * info from the PROM). + */ + bus = NULL; + while ((bus = pci_find_next_bus(bus)) != NULL) { + bussoft = SN_PCIBUS_BUSSOFT(bus); + nasid = NASID_GET(bussoft->bs_base); + cnode = nasid_to_cnodeid(nasid); + if ((bussoft->bs_asic_type == PCIIO_ASIC_TYPE_TIOCP) || + (bussoft->bs_asic_type == PCIIO_ASIC_TYPE_TIOCE)) { + /* TIO PCI Bridge: find nearest node with CPUs */ + int e = sn_hwperf_get_nearest_node(cnode, NULL, + &near_cnode); + if (e < 0) { + near_cnode = (cnodeid_t)-1; /* use any node */ + printk(KERN_WARNING "pcibr_bus_fixup: failed " + "to find near node with CPUs to TIO " + "node %d, err=%d\n", cnode, e); + } + PCI_CONTROLLER(bus)->node = near_cnode; + } else if (bussoft->bs_asic_type == PCIIO_ASIC_TYPE_PIC) { + PCI_CONTROLLER(bus)->node = cnode; + } + } + + sn_ioif_inited = 1; /* SN I/O infrastructure now initialized */ + + return 0; +} + +fs_initcall(sn_io_late_init); + +EXPORT_SYMBOL(sn_pci_fixup_slot); +EXPORT_SYMBOL(sn_pci_unfixup_slot); +EXPORT_SYMBOL(sn_bus_store_sysdata); +EXPORT_SYMBOL(sn_bus_free_sysdata); +EXPORT_SYMBOL(sn_generate_path); + diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c index dc09a6a..9ad843e 100644 --- a/arch/ia64/sn/kernel/io_init.c +++ b/arch/ia64/sn/kernel/io_init.c @@ -3,103 +3,28 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1992 - 1997, 2000-2005 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 1992 - 1997, 2000-2006 Silicon Graphics, Inc. All rights reserved. */ -#include <linux/bootmem.h> -#include <linux/nodemask.h> #include <asm/sn/types.h> #include <asm/sn/addrs.h> -#include <asm/sn/sn_feature_sets.h> -#include <asm/sn/geo.h> #include <asm/sn/io.h> -#include <asm/sn/l1.h> #include <asm/sn/module.h> -#include <asm/sn/pcibr_provider.h> +#include <asm/sn/intr.h> #include <asm/sn/pcibus_provider_defs.h> #include <asm/sn/pcidev.h> -#include <asm/sn/simulator.h> #include <asm/sn/sn_sal.h> -#include <asm/sn/tioca_provider.h> -#include <asm/sn/tioce_provider.h> #include "xtalk/hubdev.h" -#include "xtalk/xwidgetdev.h" - - -extern void sn_init_cpei_timer(void); -extern void register_sn_procfs(void); - -static struct list_head sn_sysdata_list; - -/* sysdata list struct */ -struct sysdata_el { - struct list_head entry; - void *sysdata; -}; - -struct slab_info { - struct hubdev_info hubdev; -}; - -struct brick { - moduleid_t id; /* Module ID of this module */ - struct slab_info slab_info[MAX_SLABS + 1]; -}; - -int sn_ioif_inited; /* SN I/O infrastructure initialized? */ - -struct sn_pcibus_provider *sn_pci_provider[PCIIO_ASIC_MAX_TYPES]; /* indexed by asic type */ - -static int max_segment_number; /* Default highest segment number */ -static int max_pcibus_number = 255; /* Default highest pci bus number */ /* - * Hooks and struct for unsupported pci providers + * The code in this file will only be executed when running with + * a PROM that does _not_ have base ACPI IO support. + * (i.e., SN_ACPI_BASE_SUPPORT() == 0) */ -static dma_addr_t -sn_default_pci_map(struct pci_dev *pdev, unsigned long paddr, size_t size, int type) -{ - return 0; -} - -static void -sn_default_pci_unmap(struct pci_dev *pdev, dma_addr_t addr, int direction) -{ - return; -} - -static void * -sn_default_pci_bus_fixup(struct pcibus_bussoft *soft, struct pci_controller *controller) -{ - return NULL; -} - -static struct sn_pcibus_provider sn_pci_default_provider = { - .dma_map = sn_default_pci_map, - .dma_map_consistent = sn_default_pci_map, - .dma_unmap = sn_default_pci_unmap, - .bus_fixup = sn_default_pci_bus_fixup, -}; - -/* - * Retrieve the DMA Flush List given nasid, widget, and device. - * This list is needed to implement the WAR - Flush DMA data on PIO Reads. - */ -static inline u64 -sal_get_device_dmaflush_list(u64 nasid, u64 widget_num, u64 device_num, - u64 address) -{ - struct ia64_sal_retval ret_stuff; - ret_stuff.status = 0; - ret_stuff.v0 = 0; +static int max_segment_number; /* Default highest segment number */ +static int max_pcibus_number = 255; /* Default highest pci bus number */ - SAL_CALL_NOLOCK(ret_stuff, - (u64) SN_SAL_IOIF_GET_DEVICE_DMAFLUSH_LIST, - (u64) nasid, (u64) widget_num, - (u64) device_num, (u64) address, 0, 0, 0); - return ret_stuff.status; -} /* * Retrieve the hub device info structure for the given nasid. @@ -131,93 +56,20 @@ static inline u64 sal_get_pcibus_info(u64 segment, u64 busnum, u64 address) return ret_stuff.v0; } -/* - * Retrieve the pci device information given the bus and device|function number. - */ -static inline u64 -sal_get_pcidev_info(u64 segment, u64 bus_number, u64 devfn, u64 pci_dev, - u64 sn_irq_info) -{ - struct ia64_sal_retval ret_stuff; - ret_stuff.status = 0; - ret_stuff.v0 = 0; - - SAL_CALL_NOLOCK(ret_stuff, - (u64) SN_SAL_IOIF_GET_PCIDEV_INFO, - (u64) segment, (u64) bus_number, (u64) devfn, - (u64) pci_dev, - sn_irq_info, 0, 0); - return ret_stuff.v0; -} - -/* - * sn_pcidev_info_get() - Retrieve the pcidev_info struct for the specified - * device. - */ -inline struct pcidev_info * -sn_pcidev_info_get(struct pci_dev *dev) -{ - struct pcidev_info *pcidev; - - list_for_each_entry(pcidev, - &(SN_PCI_CONTROLLER(dev)->pcidev_info), pdi_list) { - if (pcidev->pdi_linux_pcidev == dev) { - return pcidev; - } - } - return NULL; -} - -/* Older PROM flush WAR - * - * 01/16/06 -- This war will be in place until a new official PROM is released. - * Additionally note that the struct sn_flush_device_war also has to be - * removed from arch/ia64/sn/include/xtalk/hubdev.h - */ -static u8 war_implemented = 0; - -static s64 sn_device_fixup_war(u64 nasid, u64 widget, int device, - struct sn_flush_device_common *common) -{ - struct sn_flush_device_war *war_list; - struct sn_flush_device_war *dev_entry; - struct ia64_sal_retval isrv = {0,0,0,0}; - - if (!war_implemented) { - printk(KERN_WARNING "PROM version < 4.50 -- implementing old " - "PROM flush WAR\n"); - war_implemented = 1; - } - - war_list = kzalloc(DEV_PER_WIDGET * sizeof(*war_list), GFP_KERNEL); - if (!war_list) - BUG(); - - SAL_CALL_NOLOCK(isrv, SN_SAL_IOIF_GET_WIDGET_DMAFLUSH_LIST, - nasid, widget, __pa(war_list), 0, 0, 0 ,0); - if (isrv.status) - panic("sn_device_fixup_war failed: %s\n", - ia64_sal_strerror(isrv.status)); - - dev_entry = war_list + device; - memcpy(common,dev_entry, sizeof(*common)); - kfree(war_list); - - return isrv.status; -} /* - * sn_fixup_ionodes() - This routine initializes the HUB data strcuture for - * each node in the system. + * sn_fixup_ionodes() - This routine initializes the HUB data structure for + * each node in the system. This function is only + * executed when running with a non-ACPI capable PROM. */ static void __init sn_fixup_ionodes(void) { - struct sn_flush_device_kernel *sn_flush_device_kernel; - struct sn_flush_device_kernel *dev_entry; + struct hubdev_info *hubdev; u64 status; u64 nasid; - int i, widget, device, size; + int i; + extern void sn_common_hubdev_init(struct hubdev_info *); /* * Get SGI Specific HUB chipset information. @@ -240,70 +92,47 @@ static void __init sn_fixup_ionodes(void) max_segment_number = hubdev->max_segment_number; max_pcibus_number = hubdev->max_pcibus_number; } + sn_common_hubdev_init(hubdev); + } +} - /* Attach the error interrupt handlers */ - if (nasid & 1) - ice_error_init(hubdev); - else - hub_error_init(hubdev); - - for (widget = 0; widget <= HUB_WIDGET_ID_MAX; widget++) - hubdev->hdi_xwidget_info[widget].xwi_hubinfo = hubdev; - - if (!hubdev->hdi_flush_nasid_list.widget_p) - continue; - - size = (HUB_WIDGET_ID_MAX + 1) * - sizeof(struct sn_flush_device_kernel *); - hubdev->hdi_flush_nasid_list.widget_p = - kzalloc(size, GFP_KERNEL); - if (!hubdev->hdi_flush_nasid_list.widget_p) +/* + * sn_pci_legacy_window_fixup - Create PCI controller windows for + * legacy IO and MEM space. This needs to + * be done here, as the PROM does not have + * ACPI support defining the root buses + * and their resources (_CRS), + */ +static void +sn_legacy_pci_window_fixup(struct pci_controller *controller, + u64 legacy_io, u64 legacy_mem) +{ + controller->window = kcalloc(2, sizeof(struct pci_window), + GFP_KERNEL); + if (controller->window == NULL) BUG(); - - for (widget = 0; widget <= HUB_WIDGET_ID_MAX; widget++) { - size = DEV_PER_WIDGET * - sizeof(struct sn_flush_device_kernel); - sn_flush_device_kernel = kzalloc(size, GFP_KERNEL); - if (!sn_flush_device_kernel) - BUG(); - - dev_entry = sn_flush_device_kernel; - for (device = 0; device < DEV_PER_WIDGET; - device++,dev_entry++) { - size = sizeof(struct sn_flush_device_common); - dev_entry->common = kzalloc(size, GFP_KERNEL); - if (!dev_entry->common) - BUG(); - - if (sn_prom_feature_available( - PRF_DEVICE_FLUSH_LIST)) - status = sal_get_device_dmaflush_list( - nasid, widget, device, - (u64)(dev_entry->common)); - else - status = sn_device_fixup_war(nasid, - widget, device, - dev_entry->common); - if (status != SALRET_OK) - panic("SAL call failed: %s\n", - ia64_sal_strerror(status)); - - spin_lock_init(&dev_entry->sfdl_flush_lock); - } - - if (sn_flush_device_kernel) - hubdev->hdi_flush_nasid_list.widget_p[widget] = - sn_flush_device_kernel; - } - } + controller->window[0].offset = legacy_io; + controller->window[0].resource.name = "legacy_io"; + controller->window[0].resource.flags = IORESOURCE_IO; + controller->window[0].resource.start = legacy_io; + controller->window[0].resource.end = + controller->window[0].resource.start + 0xffff; + controller->window[0].resource.parent = &ioport_resource; + controller->window[1].offset = legacy_mem; + controller->window[1].resource.name = "legacy_mem"; + controller->window[1].resource.flags = IORESOURCE_MEM; + controller->window[1].resource.start = legacy_mem; + controller->window[1].resource.end = + controller->window[1].resource.start + (1024 * 1024) - 1; + controller->window[1].resource.parent = &iomem_resource; + controller->windows = 2; } /* * sn_pci_window_fixup() - Create a pci_window for each device resource. - * Until ACPI support is added, we need this code - * to setup pci_windows for use by - * pcibios_bus_to_resource(), - * pcibios_resource_to_bus(), etc. + * It will setup pci_windows for use by + * pcibios_bus_to_resource(), pcibios_resource_to_bus(), + * etc. */ static void sn_pci_window_fixup(struct pci_dev *dev, unsigned int count, @@ -342,60 +171,22 @@ sn_pci_window_fixup(struct pci_dev *dev, unsigned int count, controller->window = new_window; } -void sn_pci_unfixup_slot(struct pci_dev *dev) -{ - struct pci_dev *host_pci_dev = SN_PCIDEV_INFO(dev)->host_pci_dev; - - sn_irq_unfixup(dev); - pci_dev_put(host_pci_dev); - pci_dev_put(dev); -} - /* - * sn_pci_fixup_slot() - This routine sets up a slot's resources - * consistent with the Linux PCI abstraction layer. Resources acquired - * from our PCI provider include PIO maps to BAR space and interrupt - * objects. + * sn_more_slot_fixup() - We are not running with an ACPI capable PROM, + * and need to convert the pci_dev->resource + * 'start' and 'end' addresses to mapped addresses, + * and setup the pci_controller->window array entries. */ -void sn_pci_fixup_slot(struct pci_dev *dev) +void +sn_more_slot_fixup(struct pci_dev *dev, struct pcidev_info *pcidev_info) { unsigned int count = 0; int idx; - int segment = pci_domain_nr(dev->bus); - int status = 0; - struct pcibus_bussoft *bs; - struct pci_bus *host_pci_bus; - struct pci_dev *host_pci_dev; - struct pcidev_info *pcidev_info; s64 pci_addrs[PCI_ROM_RESOURCE + 1]; - struct sn_irq_info *sn_irq_info; - unsigned long size; - unsigned int bus_no, devfn; - - pci_dev_get(dev); /* for the sysdata pointer */ - pcidev_info = kzalloc(sizeof(struct pcidev_info), GFP_KERNEL); - if (!pcidev_info) - BUG(); /* Cannot afford to run out of memory */ - - sn_irq_info = kzalloc(sizeof(struct sn_irq_info), GFP_KERNEL); - if (!sn_irq_info) - BUG(); /* Cannot afford to run out of memory */ - - /* Call to retrieve pci device information needed by kernel. */ - status = sal_get_pcidev_info((u64) segment, (u64) dev->bus->number, - dev->devfn, - (u64) __pa(pcidev_info), - (u64) __pa(sn_irq_info)); - if (status) - BUG(); /* Cannot get platform pci device information */ - - /* Add pcidev_info to list in sn_pci_controller struct */ - list_add_tail(&pcidev_info->pdi_list, - &(SN_PCI_CONTROLLER(dev->bus)->pcidev_info)); + unsigned long addr, end, size, start; /* Copy over PIO Mapped Addresses */ for (idx = 0; idx <= PCI_ROM_RESOURCE; idx++) { - unsigned long start, end, addr; if (!pcidev_info->pdi_pio_mapped_addr[idx]) { pci_addrs[idx] = -1; @@ -419,60 +210,28 @@ void sn_pci_fixup_slot(struct pci_dev *dev) dev->resource[idx].parent = &ioport_resource; else dev->resource[idx].parent = &iomem_resource; + /* If ROM, mark as shadowed in PROM */ + if (idx == PCI_ROM_RESOURCE) + dev->resource[idx].flags |= IORESOURCE_ROM_BIOS_COPY; } /* Create a pci_window in the pci_controller struct for * each device resource. */ if (count > 0) sn_pci_window_fixup(dev, count, pci_addrs); - - /* - * Using the PROMs values for the PCI host bus, get the Linux - * PCI host_pci_dev struct and set up host bus linkages - */ - - bus_no = (pcidev_info->pdi_slot_host_handle >> 32) & 0xff; - devfn = pcidev_info->pdi_slot_host_handle & 0xffffffff; - host_pci_bus = pci_find_bus(segment, bus_no); - host_pci_dev = pci_get_slot(host_pci_bus, devfn); - - pcidev_info->host_pci_dev = host_pci_dev; - pcidev_info->pdi_linux_pcidev = dev; - pcidev_info->pdi_host_pcidev_info = SN_PCIDEV_INFO(host_pci_dev); - bs = SN_PCIBUS_BUSSOFT(dev->bus); - pcidev_info->pdi_pcibus_info = bs; - - if (bs && bs->bs_asic_type < PCIIO_ASIC_MAX_TYPES) { - SN_PCIDEV_BUSPROVIDER(dev) = sn_pci_provider[bs->bs_asic_type]; - } else { - SN_PCIDEV_BUSPROVIDER(dev) = &sn_pci_default_provider; - } - - /* Only set up IRQ stuff if this device has a host bus context */ - if (bs && sn_irq_info->irq_irq) { - pcidev_info->pdi_sn_irq_info = sn_irq_info; - dev->irq = pcidev_info->pdi_sn_irq_info->irq_irq; - sn_irq_fixup(dev, sn_irq_info); - } else { - pcidev_info->pdi_sn_irq_info = NULL; - kfree(sn_irq_info); - } } /* * sn_pci_controller_fixup() - This routine sets up a bus's resources - * consistent with the Linux PCI abstraction layer. + * consistent with the Linux PCI abstraction layer. */ -void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus) +static void +sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus) { - int status; - int nasid, cnode; + s64 status = 0; struct pci_controller *controller; - struct sn_pci_controller *sn_controller; struct pcibus_bussoft *prom_bussoft_ptr; - struct hubdev_info *hubdev_info; - void *provider_soft; - struct sn_pcibus_provider *provider; + status = sal_get_pcibus_info((u64) segment, (u64) busnum, (u64) ia64_tpa(&prom_bussoft_ptr)); @@ -480,261 +239,77 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus) return; /*bus # does not exist */ prom_bussoft_ptr = __va(prom_bussoft_ptr); - /* Allocate a sn_pci_controller, which has a pci_controller struct - * as the first member. - */ - sn_controller = kzalloc(sizeof(struct sn_pci_controller), GFP_KERNEL); - if (!sn_controller) + controller = kzalloc(sizeof(*controller), GFP_KERNEL); + if (!controller) BUG(); - INIT_LIST_HEAD(&sn_controller->pcidev_info); - controller = &sn_controller->pci_controller; controller->segment = segment; - if (bus == NULL) { - bus = pci_scan_bus(busnum, &pci_root_ops, controller); - if (bus == NULL) - goto error_return; /* error, or bus already scanned */ - bus->sysdata = NULL; - } - - if (bus->sysdata) - goto error_return; /* sysdata already alloc'd */ - /* - * Per-provider fixup. Copies the contents from prom to local - * area and links SN_PCIBUS_BUSSOFT(). + * Temporarily save the prom_bussoft_ptr for use by sn_bus_fixup(). + * (platform_data will be overwritten later in sn_common_bus_fixup()) */ + controller->platform_data = prom_bussoft_ptr; - if (prom_bussoft_ptr->bs_asic_type >= PCIIO_ASIC_MAX_TYPES) - goto error_return; /* unsupported asic type */ - - if (prom_bussoft_ptr->bs_asic_type == PCIIO_ASIC_TYPE_PPB) - goto error_return; /* no further fixup necessary */ - - provider = sn_pci_provider[prom_bussoft_ptr->bs_asic_type]; - if (provider == NULL) - goto error_return; /* no provider registerd for this asic */ + bus = pci_scan_bus(busnum, &pci_root_ops, controller); + if (bus == NULL) + goto error_return; /* error, or bus already scanned */ bus->sysdata = controller; - if (provider->bus_fixup) - provider_soft = (*provider->bus_fixup) (prom_bussoft_ptr, controller); - else - provider_soft = NULL; - - if (provider_soft == NULL) { - /* fixup failed or not applicable */ - bus->sysdata = NULL; - goto error_return; - } - - /* - * Setup pci_windows for legacy IO and MEM space. - * (Temporary until ACPI support is in place.) - */ - controller->window = kcalloc(2, sizeof(struct pci_window), GFP_KERNEL); - if (controller->window == NULL) - BUG(); - controller->window[0].offset = prom_bussoft_ptr->bs_legacy_io; - controller->window[0].resource.name = "legacy_io"; - controller->window[0].resource.flags = IORESOURCE_IO; - controller->window[0].resource.start = prom_bussoft_ptr->bs_legacy_io; - controller->window[0].resource.end = - controller->window[0].resource.start + 0xffff; - controller->window[0].resource.parent = &ioport_resource; - controller->window[1].offset = prom_bussoft_ptr->bs_legacy_mem; - controller->window[1].resource.name = "legacy_mem"; - controller->window[1].resource.flags = IORESOURCE_MEM; - controller->window[1].resource.start = prom_bussoft_ptr->bs_legacy_mem; - controller->window[1].resource.end = - controller->window[1].resource.start + (1024 * 1024) - 1; - controller->window[1].resource.parent = &iomem_resource; - controller->windows = 2; - - /* - * Generic bus fixup goes here. Don't reference prom_bussoft_ptr - * after this point. - */ - - PCI_CONTROLLER(bus)->platform_data = provider_soft; - nasid = NASID_GET(SN_PCIBUS_BUSSOFT(bus)->bs_base); - cnode = nasid_to_cnodeid(nasid); - hubdev_info = (struct hubdev_info *)(NODEPDA(cnode)->pdinfo); - SN_PCIBUS_BUSSOFT(bus)->bs_xwidget_info = - &(hubdev_info->hdi_xwidget_info[SN_PCIBUS_BUSSOFT(bus)->bs_xid]); - /* - * If the node information we obtained during the fixup phase is invalid - * then set controller->node to -1 (undetermined) - */ - if (controller->node >= num_online_nodes()) { - struct pcibus_bussoft *b = SN_PCIBUS_BUSSOFT(bus); - - printk(KERN_WARNING "Device ASIC=%u XID=%u PBUSNUM=%u" - "L_IO=%lx L_MEM=%lx BASE=%lx\n", - b->bs_asic_type, b->bs_xid, b->bs_persist_busnum, - b->bs_legacy_io, b->bs_legacy_mem, b->bs_base); - printk(KERN_WARNING "on node %d but only %d nodes online." - "Association set to undetermined.\n", - controller->node, num_online_nodes()); - controller->node = -1; - } return; error_return: - kfree(sn_controller); + kfree(controller); return; } -void sn_bus_store_sysdata(struct pci_dev *dev) +/* + * sn_bus_fixup + */ +void +sn_bus_fixup(struct pci_bus *bus) { - struct sysdata_el *element; - - element = kzalloc(sizeof(struct sysdata_el), GFP_KERNEL); - if (!element) { - dev_dbg(dev, "%s: out of memory!\n", __FUNCTION__); - return; - } - element->sysdata = SN_PCIDEV_INFO(dev); - list_add(&element->entry, &sn_sysdata_list); -} + struct pci_dev *pci_dev = NULL; + struct pcibus_bussoft *prom_bussoft_ptr; + extern void sn_common_bus_fixup(struct pci_bus *, + struct pcibus_bussoft *); + + + if (!bus->parent) { /* If root bus */ + prom_bussoft_ptr = PCI_CONTROLLER(bus)->platform_data; + if (prom_bussoft_ptr == NULL) { + printk(KERN_ERR + "sn_bus_fixup: 0x%04x:0x%02x Unable to " + "obtain prom_bussoft_ptr\n", + pci_domain_nr(bus), bus->number); + return; + } + sn_common_bus_fixup(bus, prom_bussoft_ptr); + sn_legacy_pci_window_fixup(PCI_CONTROLLER(bus), + prom_bussoft_ptr->bs_legacy_io, + prom_bussoft_ptr->bs_legacy_mem); + } + list_for_each_entry(pci_dev, &bus->devices, bus_list) { + sn_pci_fixup_slot(pci_dev); + } -void sn_bus_free_sysdata(void) -{ - struct sysdata_el *element; - struct list_head *list, *safe; - - list_for_each_safe(list, safe, &sn_sysdata_list) { - element = list_entry(list, struct sysdata_el, entry); - list_del(&element->entry); - list_del(&(((struct pcidev_info *) - (element->sysdata))->pdi_list)); - kfree(element->sysdata); - kfree(element); - } - return; } /* - * Ugly hack to get PCI setup until we have a proper ACPI namespace. + * sn_io_init - PROM does not have ACPI support to define nodes or root buses, + * so we need to do things the hard way, including initiating the + * bus scanning ourselves. */ -#define PCI_BUSES_TO_SCAN 256 - -static int __init sn_pci_init(void) +void __init sn_io_init(void) { int i, j; - struct pci_dev *pci_dev = NULL; - - if (!ia64_platform_is("sn2") || IS_RUNNING_ON_FAKE_PROM()) - return 0; - - /* - * prime sn_pci_provider[]. Individial provider init routines will - * override their respective default entries. - */ - - for (i = 0; i < PCIIO_ASIC_MAX_TYPES; i++) - sn_pci_provider[i] = &sn_pci_default_provider; - pcibr_init_provider(); - tioca_init_provider(); - tioce_init_provider(); - - /* - * This is needed to avoid bounce limit checks in the blk layer - */ - ia64_max_iommu_merge_mask = ~PAGE_MASK; sn_fixup_ionodes(); - sn_irq_lh_init(); - INIT_LIST_HEAD(&sn_sysdata_list); - sn_init_cpei_timer(); - -#ifdef CONFIG_PROC_FS - register_sn_procfs(); -#endif /* busses are not known yet ... */ for (i = 0; i <= max_segment_number; i++) for (j = 0; j <= max_pcibus_number; j++) sn_pci_controller_fixup(i, j, NULL); - - /* - * Generic Linux PCI Layer has created the pci_bus and pci_dev - * structures - time for us to add our SN PLatform specific - * information. - */ - - while ((pci_dev = - pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pci_dev)) != NULL) - sn_pci_fixup_slot(pci_dev); - - sn_ioif_inited = 1; /* sn I/O infrastructure now initialized */ - - return 0; -} - -/* - * hubdev_init_node() - Creates the HUB data structure and link them to it's - * own NODE specific data area. - */ -void hubdev_init_node(nodepda_t * npda, cnodeid_t node) -{ - struct hubdev_info *hubdev_info; - int size; - pg_data_t *pg; - - size = sizeof(struct hubdev_info); - - if (node >= num_online_nodes()) /* Headless/memless IO nodes */ - pg = NODE_DATA(0); - else - pg = NODE_DATA(node); - - hubdev_info = (struct hubdev_info *)alloc_bootmem_node(pg, size); - - npda->pdinfo = (void *)hubdev_info; } - -geoid_t -cnodeid_get_geoid(cnodeid_t cnode) -{ - struct hubdev_info *hubdev; - - hubdev = (struct hubdev_info *)(NODEPDA(cnode)->pdinfo); - return hubdev->hdi_geoid; -} - -void sn_generate_path(struct pci_bus *pci_bus, char *address) -{ - nasid_t nasid; - cnodeid_t cnode; - geoid_t geoid; - moduleid_t moduleid; - u16 bricktype; - - nasid = NASID_GET(SN_PCIBUS_BUSSOFT(pci_bus)->bs_base); - cnode = nasid_to_cnodeid(nasid); - geoid = cnodeid_get_geoid(cnode); - moduleid = geo_module(geoid); - - sprintf(address, "module_%c%c%c%c%.2d", - '0'+RACK_GET_CLASS(MODULE_GET_RACK(moduleid)), - '0'+RACK_GET_GROUP(MODULE_GET_RACK(moduleid)), - '0'+RACK_GET_NUM(MODULE_GET_RACK(moduleid)), - MODULE_GET_BTCHAR(moduleid), MODULE_GET_BPOS(moduleid)); - - /* Tollhouse requires slot id to be displayed */ - bricktype = MODULE_GET_BTYPE(moduleid); - if ((bricktype == L1_BRICKTYPE_191010) || - (bricktype == L1_BRICKTYPE_1932)) - sprintf(address, "%s^%d", address, geo_slot(geoid)); -} - -subsys_initcall(sn_pci_init); -EXPORT_SYMBOL(sn_pci_fixup_slot); -EXPORT_SYMBOL(sn_pci_unfixup_slot); -EXPORT_SYMBOL(sn_pci_controller_fixup); -EXPORT_SYMBOL(sn_bus_store_sysdata); -EXPORT_SYMBOL(sn_bus_free_sysdata); -EXPORT_SYMBOL(sn_generate_path); diff --git a/arch/ia64/sn/kernel/iomv.c b/arch/ia64/sn/kernel/iomv.c index 7ce3cda..4aa4f30 100644 --- a/arch/ia64/sn/kernel/iomv.c +++ b/arch/ia64/sn/kernel/iomv.c @@ -3,10 +3,11 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2000-2003 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 2000-2003, 2006 Silicon Graphics, Inc. All rights reserved. */ #include <linux/module.h> +#include <linux/acpi.h> #include <asm/io.h> #include <asm/delay.h> #include <asm/vga.h> @@ -15,6 +16,7 @@ #include <asm/sn/pda.h> #include <asm/sn/sn_cpuid.h> #include <asm/sn/shub_mmr.h> +#include <asm/sn/acpi.h> #define IS_LEGACY_VGA_IOPORT(p) \ (((p) >= 0x3b0 && (p) <= 0x3bb) || ((p) >= 0x3c0 && (p) <= 0x3df)) @@ -31,11 +33,14 @@ void *sn_io_addr(unsigned long port) { if (!IS_RUNNING_ON_SIMULATOR()) { if (IS_LEGACY_VGA_IOPORT(port)) - port += vga_console_iobase; + return (__ia64_mk_io_addr(port)); /* On sn2, legacy I/O ports don't point at anything */ if (port < (64 * 1024)) return NULL; - return ((void *)(port | __IA64_UNCACHED_OFFSET)); + if (SN_ACPI_BASE_SUPPORT()) + return (__ia64_mk_io_addr(port)); + else + return ((void *)(port | __IA64_UNCACHED_OFFSET)); } else { /* but the simulator uses them... */ unsigned long addr; diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c index 7a2d824..1d009f9 100644 --- a/arch/ia64/sn/kernel/setup.c +++ b/arch/ia64/sn/kernel/setup.c @@ -388,6 +388,14 @@ void __init sn_setup(char **cmdline_p) ia64_sn_plat_set_error_handling_features(); // obsolete ia64_sn_set_os_feature(OSF_MCA_SLV_TO_OS_INIT_SLV); ia64_sn_set_os_feature(OSF_FEAT_LOG_SBES); + /* + * Note: The calls to notify the PROM of ACPI and PCI Segment + * support must be done prior to acpi_load_tables(), as + * an ACPI capable PROM will rebuild the DSDT as result + * of the call. + */ + ia64_sn_set_os_feature(OSF_PCISEGMENT_ENABLE); + ia64_sn_set_os_feature(OSF_ACPI_ENABLE); #if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE) @@ -413,6 +421,16 @@ void __init sn_setup(char **cmdline_p) if (! vga_console_membase) sn_scan_pcdp(); + /* + * Setup legacy IO space. + * vga_console_iobase maps to PCI IO Space address 0 on the + * bus containing the VGA console. + */ + if (vga_console_iobase) { + io_space[0].mmio_base = vga_console_iobase; + io_space[0].sparse = 0; + } + if (vga_console_membase) { /* usable vga ... make tty0 the preferred default console */ if (!strstr(*cmdline_p, "console=")) diff --git a/arch/ia64/sn/kernel/tiocx.c b/arch/ia64/sn/kernel/tiocx.c index feaf1a6..493380b 100644 --- a/arch/ia64/sn/kernel/tiocx.c +++ b/arch/ia64/sn/kernel/tiocx.c @@ -552,7 +552,7 @@ static void __exit tiocx_exit(void) bus_unregister(&tiocx_bus_type); } -subsys_initcall(tiocx_init); +fs_initcall(tiocx_init); module_exit(tiocx_exit); /************************************************************************ diff --git a/arch/ia64/sn/pci/pcibr/pcibr_provider.c b/arch/ia64/sn/pci/pcibr/pcibr_provider.c index 27dd7df..6846dc9 100644 --- a/arch/ia64/sn/pci/pcibr/pcibr_provider.c +++ b/arch/ia64/sn/pci/pcibr/pcibr_provider.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2001-2004 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 2001-2004, 2006 Silicon Graphics, Inc. All rights reserved. */ #include <linux/interrupt.h> @@ -109,7 +109,6 @@ void * pcibr_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *controller) { int nasid, cnode, j; - cnodeid_t near_cnode; struct hubdev_info *hubdev_info; struct pcibus_info *soft; struct sn_flush_device_kernel *sn_flush_device_kernel; @@ -186,20 +185,6 @@ pcibr_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont return NULL; } - if (prom_bussoft->bs_asic_type == PCIIO_ASIC_TYPE_TIOCP) { - /* TIO PCI Bridge: find nearest node with CPUs */ - int e = sn_hwperf_get_nearest_node(cnode, NULL, &near_cnode); - - if (e < 0) { - near_cnode = (cnodeid_t)-1; /* use any node */ - printk(KERN_WARNING "pcibr_bus_fixup: failed to find " - "near node with CPUs to TIO node %d, err=%d\n", - cnode, e); - } - controller->node = near_cnode; - } - else - controller->node = cnode; return soft; } diff --git a/arch/ia64/sn/pci/tioce_provider.c b/arch/ia64/sn/pci/tioce_provider.c index 46e16dc..35f854f 100644 --- a/arch/ia64/sn/pci/tioce_provider.c +++ b/arch/ia64/sn/pci/tioce_provider.c @@ -15,7 +15,6 @@ #include <asm/sn/pcidev.h> #include <asm/sn/pcibus_provider_defs.h> #include <asm/sn/tioce_provider.h> -#include <asm/sn/sn2/sn_hwperf.h> /* * 1/26/2006 @@ -990,8 +989,6 @@ tioce_target_interrupt(struct sn_irq_info *sn_irq_info) static void * tioce_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *controller) { - int my_nasid; - cnodeid_t my_cnode, mem_cnode; struct tioce_common *tioce_common; struct tioce_kernel *tioce_kern; struct tioce __iomem *tioce_mmr; @@ -1035,21 +1032,6 @@ tioce_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont tioce_common->ce_pcibus.bs_persist_segment, tioce_common->ce_pcibus.bs_persist_busnum); - /* - * identify closest nasid for memory allocations - */ - - my_nasid = NASID_GET(tioce_common->ce_pcibus.bs_base); - my_cnode = nasid_to_cnodeid(my_nasid); - - if (sn_hwperf_get_nearest_node(my_cnode, &mem_cnode, NULL) < 0) { - printk(KERN_WARNING "tioce_bus_fixup: failed to find " - "closest node with MEM to TIO node %d\n", my_cnode); - mem_cnode = (cnodeid_t)-1; /* use any node */ - } - - controller->node = mem_cnode; - return tioce_common; } diff --git a/arch/m68knommu/Kconfig b/arch/m68knommu/Kconfig index 6d920d4..c1bc22c 100644 --- a/arch/m68knommu/Kconfig +++ b/arch/m68knommu/Kconfig @@ -565,7 +565,7 @@ config ROMVEC depends on ROM help This is almost always the same as the base of the ROM. Since on all - 68000 type varients the vectors are at the base of the boot device + 68000 type variants the vectors are at the base of the boot device on system startup. config ROMVECSIZE @@ -574,7 +574,7 @@ config ROMVECSIZE depends on ROM help Define the size of the vector region in ROM. For most 68000 - varients this would be 0x400 bytes in size. Set to 0 if you do + variants this would be 0x400 bytes in size. Set to 0 if you do not want a vector region at the start of the ROM. config ROMSTART diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 1443024..22bb540 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -865,7 +865,7 @@ config MIPS_DISABLE_OBSOLETE_IDE bool # -# Endianess selection. Suffiently obscure so many users don't know what to +# Endianess selection. Sufficiently obscure so many users don't know what to # answer,so we try hard to limit the available choices. Also the use of a # choice statement should be more obvious to the user. # @@ -874,7 +874,7 @@ choice help Some MIPS machines can be configured for either little or big endian byte order. These modes require different kernels and a different - Linux distribution. In general there is one prefered byteorder for a + Linux distribution. In general there is one preferred byteorder for a particular system but some systems are just as commonly used in the one or the other endianess. diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 0673dbe..116d7d3 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -425,7 +425,7 @@ config PPC_MAPLE default n help This option enables support for the Maple 970FX Evaluation Board. - For more informations, refer to <http://www.970eval.com> + For more information, refer to <http://www.970eval.com> config PPC_PASEMI depends on PPC_MULTIPLATFORM && PPC64 diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig index 7edb6b4..edcd5b8 100644 --- a/arch/powerpc/platforms/83xx/Kconfig +++ b/arch/powerpc/platforms/83xx/Kconfig @@ -21,7 +21,7 @@ config MPC834x_SYS Be aware that PCI buses can only function when SYS board is plugged into the PIB (Platform IO Board) board from Freescale which provide 3 PCI slots. The PIBs PCI initialization is the bootloader's - responsiblilty. + responsibility. config MPC834x_ITX bool "Freescale MPC834x ITX" @@ -30,7 +30,7 @@ config MPC834x_ITX This option enables support for the MPC 834x ITX evaluation board. Be aware that PCI initialization is the bootloader's - responsiblilty. + responsibility. config MPC8360E_PB bool "Freescale MPC8360E PB" diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index 9923adc..257dc90 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -48,7 +48,6 @@ static struct pci_controller *u3_ht; static int has_second_ohare; #endif /* CONFIG_PPC64 */ -extern u8 pci_cache_line_size; extern int pcibios_assign_bus_offset; struct device_node *k2_skiplist[2]; diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig index 077711e..ef018e2 100644 --- a/arch/ppc/Kconfig +++ b/arch/ppc/Kconfig @@ -724,7 +724,7 @@ config MPC834x_SYS Be aware that PCI buses can only function when SYS board is plugged into the PIB (Platform IO Board) board from Freescale which provide 3 PCI slots. The PIBs PCI initialization is the bootloader's - responsiblilty. + responsibility. config EV64360 bool "Marvell-EV64360BP" diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index 6a461d4..bffc7e1 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -217,7 +217,7 @@ config SH_SHMIN bool "SHMIN" select CPU_SUBTYPE_SH7706 help - Select SHMIN if configureing for the SHMIN board + Select SHMIN if configuring for the SHMIN board. config SH_UNKNOWN bool "BareCPU" diff --git a/arch/sh64/lib/dbg.c b/arch/sh64/lib/dbg.c index 1326f45..4310fc8 100644 --- a/arch/sh64/lib/dbg.c +++ b/arch/sh64/lib/dbg.c @@ -383,7 +383,7 @@ void show_excp_regs(char *from, int trapnr, int signr, struct pt_regs *regs) /* ======================================================================= */ /* -** Depending on <base> scan the MMU, Data or Instrction side +** Depending on <base> scan the MMU, Data or Instruction side ** looking for a valid mapping matching Eaddr & asid. ** Return -1 if not found or the TLB id entry otherwise. ** Note: it works only for 4k pages! diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 2f96610..92a7c8a 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -212,8 +212,8 @@ config SPARC_LED tristate "Sun4m LED driver" help This driver toggles the front-panel LED on sun4m systems - in a user-specifyable manner. It's state can be probed - by reading /proc/led and it's blinking mode can be changed + in a user-specifiable manner. Its state can be probed + by reading /proc/led and its blinking mode can be changed via writes to /proc/led source "fs/Kconfig.binfmt" diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c index e02f01b..dfc41cd 100644 --- a/arch/sparc64/kernel/pci.c +++ b/arch/sparc64/kernel/pci.c @@ -646,13 +646,4 @@ int pci_domain_nr(struct pci_bus *pbus) } EXPORT_SYMBOL(pci_domain_nr); -int pcibios_prep_mwi(struct pci_dev *dev) -{ - /* We set correct PCI_CACHE_LINE_SIZE register values for every - * device probed on this platform. So there is nothing to check - * and this always succeeds. - */ - return 0; -} - #endif /* !(CONFIG_PCI) */ diff --git a/arch/um/drivers/chan_user.c b/arch/um/drivers/chan_user.c index 2f880cb..0cad354 100644 --- a/arch/um/drivers/chan_user.c +++ b/arch/um/drivers/chan_user.c @@ -120,7 +120,7 @@ static int winch_thread(void *arg) /* These are synchronization calls between various UML threads on the * host - since they are not different kernel threads, we cannot use * kernel semaphores. We don't use SysV semaphores because they are - * persistant. */ + * persistent. */ count = os_read_file(pipe_fd, &c, sizeof(c)); if(count != sizeof(c)) printk("winch_thread : failed to read synchronization byte, " diff --git a/block/as-iosched.c b/block/as-iosched.c index 50b95e4..0024211 100644 --- a/block/as-iosched.c +++ b/block/as-iosched.c @@ -1317,7 +1317,7 @@ static void as_exit_queue(elevator_t *e) /* * initialize elevator private data (as_data). */ -static void *as_init_queue(request_queue_t *q, elevator_t *e) +static void *as_init_queue(request_queue_t *q) { struct as_data *ad; diff --git a/block/blktrace.c b/block/blktrace.c index 135593c..562ca7c 100644 --- a/block/blktrace.c +++ b/block/blktrace.c @@ -22,30 +22,61 @@ #include <linux/init.h> #include <linux/mutex.h> #include <linux/debugfs.h> +#include <linux/time.h> #include <asm/uaccess.h> static DEFINE_PER_CPU(unsigned long long, blk_trace_cpu_offset) = { 0, }; static unsigned int blktrace_seq __read_mostly = 1; /* + * Send out a notify message. + */ +static inline unsigned int trace_note(struct blk_trace *bt, + pid_t pid, int action, + const void *data, size_t len) +{ + struct blk_io_trace *t; + int cpu = smp_processor_id(); + + t = relay_reserve(bt->rchan, sizeof(*t) + len); + if (t == NULL) + return 0; + + t->magic = BLK_IO_TRACE_MAGIC | BLK_IO_TRACE_VERSION; + t->time = sched_clock() - per_cpu(blk_trace_cpu_offset, cpu); + t->device = bt->dev; + t->action = action; + t->pid = pid; + t->cpu = cpu; + t->pdu_len = len; + memcpy((void *) t + sizeof(*t), data, len); + return blktrace_seq; +} + +/* * Send out a notify for this process, if we haven't done so since a trace * started */ static void trace_note_tsk(struct blk_trace *bt, struct task_struct *tsk) { - struct blk_io_trace *t; + tsk->btrace_seq = trace_note(bt, tsk->pid, + BLK_TN_PROCESS, + tsk->comm, sizeof(tsk->comm)); +} - t = relay_reserve(bt->rchan, sizeof(*t) + sizeof(tsk->comm)); - if (t) { - t->magic = BLK_IO_TRACE_MAGIC | BLK_IO_TRACE_VERSION; - t->device = bt->dev; - t->action = BLK_TC_ACT(BLK_TC_NOTIFY); - t->pid = tsk->pid; - t->cpu = smp_processor_id(); - t->pdu_len = sizeof(tsk->comm); - memcpy((void *) t + sizeof(*t), tsk->comm, t->pdu_len); - tsk->btrace_seq = blktrace_seq; - } +static void trace_note_time(struct blk_trace *bt) +{ + struct timespec now; + unsigned long flags; + u32 words[2]; + + getnstimeofday(&now); + words[0] = now.tv_sec; + words[1] = now.tv_nsec; + + local_irq_save(flags); + trace_note(bt, 0, BLK_TN_TIMESTAMP, words, sizeof(words)); + local_irq_restore(flags); } static int act_log_check(struct blk_trace *bt, u32 what, sector_t sector, @@ -394,6 +425,8 @@ static int blk_trace_startstop(request_queue_t *q, int start) blktrace_seq++; smp_mb(); bt->trace_state = Blktrace_running; + + trace_note_time(bt); ret = 0; } } else { diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 1d9c3c7..e9019ed 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -1464,8 +1464,7 @@ cfq_update_io_thinktime(struct cfq_data *cfqd, struct cfq_io_context *cic) } static void -cfq_update_io_seektime(struct cfq_data *cfqd, struct cfq_io_context *cic, - struct request *rq) +cfq_update_io_seektime(struct cfq_io_context *cic, struct request *rq) { sector_t sdist; u64 total; @@ -1617,7 +1616,7 @@ cfq_rq_enqueued(struct cfq_data *cfqd, struct cfq_queue *cfqq, } cfq_update_io_thinktime(cfqd, cic); - cfq_update_io_seektime(cfqd, cic, rq); + cfq_update_io_seektime(cic, rq); cfq_update_idle_window(cfqd, cfqq, cic); cic->last_queue = jiffies; @@ -1770,7 +1769,7 @@ static int cfq_may_queue(request_queue_t *q, int rw) /* * queue lock held here */ -static void cfq_put_request(request_queue_t *q, struct request *rq) +static void cfq_put_request(struct request *rq) { struct cfq_queue *cfqq = RQ_CFQQ(rq); @@ -1951,7 +1950,7 @@ static void cfq_exit_queue(elevator_t *e) kfree(cfqd); } -static void *cfq_init_queue(request_queue_t *q, elevator_t *e) +static void *cfq_init_queue(request_queue_t *q) { struct cfq_data *cfqd; int i; diff --git a/block/deadline-iosched.c b/block/deadline-iosched.c index b7c5b34..6d673e9 100644 --- a/block/deadline-iosched.c +++ b/block/deadline-iosched.c @@ -356,7 +356,7 @@ static void deadline_exit_queue(elevator_t *e) /* * initialize elevator private data (deadline_data). */ -static void *deadline_init_queue(request_queue_t *q, elevator_t *e) +static void *deadline_init_queue(request_queue_t *q) { struct deadline_data *dd; diff --git a/block/elevator.c b/block/elevator.c index 8ccd163..c0063f3 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -129,7 +129,7 @@ static struct elevator_type *elevator_get(const char *name) static void *elevator_init_queue(request_queue_t *q, struct elevator_queue *eq) { - return eq->ops->elevator_init_fn(q, eq); + return eq->ops->elevator_init_fn(q); } static void elevator_attach(request_queue_t *q, struct elevator_queue *eq, @@ -810,7 +810,7 @@ void elv_put_request(request_queue_t *q, struct request *rq) elevator_t *e = q->elevator; if (e->ops->elevator_put_req_fn) - e->ops->elevator_put_req_fn(q, rq); + e->ops->elevator_put_req_fn(rq); } int elv_may_queue(request_queue_t *q, int rw) diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c index 9eaee66..0f82e12 100644 --- a/block/ll_rw_blk.c +++ b/block/ll_rw_blk.c @@ -2322,6 +2322,84 @@ void blk_insert_request(request_queue_t *q, struct request *rq, EXPORT_SYMBOL(blk_insert_request); +static int __blk_rq_unmap_user(struct bio *bio) +{ + int ret = 0; + + if (bio) { + if (bio_flagged(bio, BIO_USER_MAPPED)) + bio_unmap_user(bio); + else + ret = bio_uncopy_user(bio); + } + + return ret; +} + +static int __blk_rq_map_user(request_queue_t *q, struct request *rq, + void __user *ubuf, unsigned int len) +{ + unsigned long uaddr; + struct bio *bio, *orig_bio; + int reading, ret; + + reading = rq_data_dir(rq) == READ; + + /* + * if alignment requirement is satisfied, map in user pages for + * direct dma. else, set up kernel bounce buffers + */ + uaddr = (unsigned long) ubuf; + if (!(uaddr & queue_dma_alignment(q)) && !(len & queue_dma_alignment(q))) + bio = bio_map_user(q, NULL, uaddr, len, reading); + else + bio = bio_copy_user(q, uaddr, len, reading); + + if (IS_ERR(bio)) { + return PTR_ERR(bio); + } + + orig_bio = bio; + blk_queue_bounce(q, &bio); + /* + * We link the bounce buffer in and could have to traverse it + * later so we have to get a ref to prevent it from being freed + */ + bio_get(bio); + + /* + * for most (all? don't know of any) queues we could + * skip grabbing the queue lock here. only drivers with + * funky private ->back_merge_fn() function could be + * problematic. + */ + spin_lock_irq(q->queue_lock); + if (!rq->bio) + blk_rq_bio_prep(q, rq, bio); + else if (!q->back_merge_fn(q, rq, bio)) { + ret = -EINVAL; + spin_unlock_irq(q->queue_lock); + goto unmap_bio; + } else { + rq->biotail->bi_next = bio; + rq->biotail = bio; + + rq->nr_sectors += bio_sectors(bio); + rq->hard_nr_sectors = rq->nr_sectors; + rq->data_len += bio->bi_size; + } + spin_unlock_irq(q->queue_lock); + + return bio->bi_size; + +unmap_bio: + /* if it was boucned we must call the end io function */ + bio_endio(bio, bio->bi_size, 0); + __blk_rq_unmap_user(orig_bio); + bio_put(bio); + return ret; +} + /** * blk_rq_map_user - map user data to a request, for REQ_BLOCK_PC usage * @q: request queue where request should be inserted @@ -2343,42 +2421,44 @@ EXPORT_SYMBOL(blk_insert_request); * unmapping. */ int blk_rq_map_user(request_queue_t *q, struct request *rq, void __user *ubuf, - unsigned int len) + unsigned long len) { - unsigned long uaddr; - struct bio *bio; - int reading; + unsigned long bytes_read = 0; + int ret; if (len > (q->max_hw_sectors << 9)) return -EINVAL; if (!len || !ubuf) return -EINVAL; - reading = rq_data_dir(rq) == READ; + while (bytes_read != len) { + unsigned long map_len, end, start; - /* - * if alignment requirement is satisfied, map in user pages for - * direct dma. else, set up kernel bounce buffers - */ - uaddr = (unsigned long) ubuf; - if (!(uaddr & queue_dma_alignment(q)) && !(len & queue_dma_alignment(q))) - bio = bio_map_user(q, NULL, uaddr, len, reading); - else - bio = bio_copy_user(q, uaddr, len, reading); + map_len = min_t(unsigned long, len - bytes_read, BIO_MAX_SIZE); + end = ((unsigned long)ubuf + map_len + PAGE_SIZE - 1) + >> PAGE_SHIFT; + start = (unsigned long)ubuf >> PAGE_SHIFT; - if (!IS_ERR(bio)) { - rq->bio = rq->biotail = bio; - blk_rq_bio_prep(q, rq, bio); + /* + * A bad offset could cause us to require BIO_MAX_PAGES + 1 + * pages. If this happens we just lower the requested + * mapping len by a page so that we can fit + */ + if (end - start > BIO_MAX_PAGES) + map_len -= PAGE_SIZE; - rq->buffer = rq->data = NULL; - rq->data_len = len; - return 0; + ret = __blk_rq_map_user(q, rq, ubuf, map_len); + if (ret < 0) + goto unmap_rq; + bytes_read += ret; + ubuf += ret; } - /* - * bio is the err-ptr - */ - return PTR_ERR(bio); + rq->buffer = rq->data = NULL; + return 0; +unmap_rq: + blk_rq_unmap_user(rq); + return ret; } EXPORT_SYMBOL(blk_rq_map_user); @@ -2404,7 +2484,7 @@ EXPORT_SYMBOL(blk_rq_map_user); * unmapping. */ int blk_rq_map_user_iov(request_queue_t *q, struct request *rq, - struct sg_iovec *iov, int iov_count) + struct sg_iovec *iov, int iov_count, unsigned int len) { struct bio *bio; @@ -2418,10 +2498,15 @@ int blk_rq_map_user_iov(request_queue_t *q, struct request *rq, if (IS_ERR(bio)) return PTR_ERR(bio); - rq->bio = rq->biotail = bio; + if (bio->bi_size != len) { + bio_endio(bio, bio->bi_size, 0); + bio_unmap_user(bio); + return -EINVAL; + } + + bio_get(bio); blk_rq_bio_prep(q, rq, bio); rq->buffer = rq->data = NULL; - rq->data_len = bio->bi_size; return 0; } @@ -2429,23 +2514,26 @@ EXPORT_SYMBOL(blk_rq_map_user_iov); /** * blk_rq_unmap_user - unmap a request with user data - * @bio: bio to be unmapped - * @ulen: length of user buffer + * @rq: rq to be unmapped * * Description: - * Unmap a bio previously mapped by blk_rq_map_user(). + * Unmap a rq previously mapped by blk_rq_map_user(). + * rq->bio must be set to the original head of the request. */ -int blk_rq_unmap_user(struct bio *bio, unsigned int ulen) +int blk_rq_unmap_user(struct request *rq) { - int ret = 0; + struct bio *bio, *mapped_bio; - if (bio) { - if (bio_flagged(bio, BIO_USER_MAPPED)) - bio_unmap_user(bio); + while ((bio = rq->bio)) { + if (bio_flagged(bio, BIO_BOUNCED)) + mapped_bio = bio->bi_private; else - ret = bio_uncopy_user(bio); - } + mapped_bio = bio; + __blk_rq_unmap_user(mapped_bio); + rq->bio = bio->bi_next; + bio_put(bio); + } return 0; } @@ -2476,11 +2564,8 @@ int blk_rq_map_kern(request_queue_t *q, struct request *rq, void *kbuf, if (rq_data_dir(rq) == WRITE) bio->bi_rw |= (1 << BIO_RW); - rq->bio = rq->biotail = bio; blk_rq_bio_prep(q, rq, bio); - rq->buffer = rq->data = NULL; - rq->data_len = len; return 0; } @@ -3495,6 +3580,7 @@ void blk_rq_bio_prep(request_queue_t *q, struct request *rq, struct bio *bio) rq->hard_cur_sectors = rq->current_nr_sectors; rq->hard_nr_sectors = rq->nr_sectors = bio_sectors(bio); rq->buffer = bio_data(bio); + rq->data_len = bio->bi_size; rq->bio = rq->biotail = bio; } diff --git a/block/noop-iosched.c b/block/noop-iosched.c index 79af431..1c3de2b 100644 --- a/block/noop-iosched.c +++ b/block/noop-iosched.c @@ -65,7 +65,7 @@ noop_latter_request(request_queue_t *q, struct request *rq) return list_entry(rq->queuelist.next, struct request, queuelist); } -static void *noop_init_queue(request_queue_t *q, elevator_t *e) +static void *noop_init_queue(request_queue_t *q) { struct noop_data *nd; diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index e55a756..5493c2f 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -226,7 +226,6 @@ static int sg_io(struct file *file, request_queue_t *q, unsigned long start_time; int writing = 0, ret = 0; struct request *rq; - struct bio *bio; char sense[SCSI_SENSE_BUFFERSIZE]; unsigned char cmd[BLK_MAX_CDB]; @@ -258,30 +257,6 @@ static int sg_io(struct file *file, request_queue_t *q, if (!rq) return -ENOMEM; - if (hdr->iovec_count) { - const int size = sizeof(struct sg_iovec) * hdr->iovec_count; - struct sg_iovec *iov; - - iov = kmalloc(size, GFP_KERNEL); - if (!iov) { - ret = -ENOMEM; - goto out; - } - - if (copy_from_user(iov, hdr->dxferp, size)) { - kfree(iov); - ret = -EFAULT; - goto out; - } - - ret = blk_rq_map_user_iov(q, rq, iov, hdr->iovec_count); - kfree(iov); - } else if (hdr->dxfer_len) - ret = blk_rq_map_user(q, rq, hdr->dxferp, hdr->dxfer_len); - - if (ret) - goto out; - /* * fill in request structure */ @@ -294,7 +269,6 @@ static int sg_io(struct file *file, request_queue_t *q, rq->sense_len = 0; rq->cmd_type = REQ_TYPE_BLOCK_PC; - bio = rq->bio; /* * bounce this after holding a reference to the original bio, it's @@ -309,6 +283,31 @@ static int sg_io(struct file *file, request_queue_t *q, if (!rq->timeout) rq->timeout = BLK_DEFAULT_TIMEOUT; + if (hdr->iovec_count) { + const int size = sizeof(struct sg_iovec) * hdr->iovec_count; + struct sg_iovec *iov; + + iov = kmalloc(size, GFP_KERNEL); + if (!iov) { + ret = -ENOMEM; + goto out; + } + + if (copy_from_user(iov, hdr->dxferp, size)) { + kfree(iov); + ret = -EFAULT; + goto out; + } + + ret = blk_rq_map_user_iov(q, rq, iov, hdr->iovec_count, + hdr->dxfer_len); + kfree(iov); + } else if (hdr->dxfer_len) + ret = blk_rq_map_user(q, rq, hdr->dxferp, hdr->dxfer_len); + + if (ret) + goto out; + rq->retries = 0; start_time = jiffies; @@ -339,7 +338,7 @@ static int sg_io(struct file *file, request_queue_t *q, hdr->sb_len_wr = len; } - if (blk_rq_unmap_user(bio, hdr->dxfer_len)) + if (blk_rq_unmap_user(rq)) ret = -EFAULT; /* may not have succeeded, but output values written to control diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 10f160d..a2f46d5 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -267,9 +267,9 @@ static int acpi_bind_one(struct device *dev, acpi_handle handle) { acpi_status status; - if (dev->firmware_data) { + if (dev->archdata.acpi_handle) { printk(KERN_WARNING PREFIX - "Drivers changed 'firmware_data' for %s\n", dev->bus_id); + "Drivers changed 'acpi_handle' for %s\n", dev->bus_id); return -EINVAL; } get_device(dev); @@ -278,25 +278,26 @@ static int acpi_bind_one(struct device *dev, acpi_handle handle) put_device(dev); return -EINVAL; } - dev->firmware_data = handle; + dev->archdata.acpi_handle = handle; return 0; } static int acpi_unbind_one(struct device *dev) { - if (!dev->firmware_data) + if (!dev->archdata.acpi_handle) return 0; - if (dev == acpi_get_physical_device(dev->firmware_data)) { + if (dev == acpi_get_physical_device(dev->archdata.acpi_handle)) { /* acpi_get_physical_device increase refcnt by one */ put_device(dev); - acpi_detach_data(dev->firmware_data, acpi_glue_data_handler); - dev->firmware_data = NULL; + acpi_detach_data(dev->archdata.acpi_handle, + acpi_glue_data_handler); + dev->archdata.acpi_handle = NULL; /* acpi_bind_one increase refcnt by one */ put_device(dev); } else { printk(KERN_ERR PREFIX - "Oops, 'firmware_data' corrupt for %s\n", dev->bus_id); + "Oops, 'acpi_handle' corrupt for %s\n", dev->bus_id); } return 0; } @@ -328,7 +329,8 @@ static int acpi_platform_notify(struct device *dev) if (!ret) { struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - acpi_get_name(dev->firmware_data, ACPI_FULL_PATHNAME, &buffer); + acpi_get_name(dev->archdata.acpi_handle, + ACPI_FULL_PATHNAME, &buffer); DBG("Device %s -> %s\n", dev->bus_id, (char *)buffer.pointer); kfree(buffer.pointer); } else diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c index 9ed1c60..bb7ef57 100644 --- a/drivers/atm/iphase.c +++ b/drivers/atm/iphase.c @@ -305,7 +305,7 @@ static void clear_lockup (struct atm_vcc *vcc, IADEV *dev) { ** | R | NZ | 5-bit exponent | 9-bit mantissa | ** +----+----+------------------+-------------------------------+ ** -** R = reserverd (written as 0) +** R = reserved (written as 0) ** NZ = 0 if 0 cells/sec; 1 otherwise ** ** if NZ = 1, rate = 1.mmmmmmmmm x 2^(eeeee) cells/sec diff --git a/drivers/base/bus.c b/drivers/base/bus.c index 7d8a7ce..472810f 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -355,6 +355,21 @@ static void device_remove_attrs(struct bus_type * bus, struct device * dev) } } +#ifdef CONFIG_SYSFS_DEPRECATED +static int make_deprecated_bus_links(struct device *dev) +{ + return sysfs_create_link(&dev->kobj, + &dev->bus->subsys.kset.kobj, "bus"); +} + +static void remove_deprecated_bus_links(struct device *dev) +{ + sysfs_remove_link(&dev->kobj, "bus"); +} +#else +static inline int make_deprecated_bus_links(struct device *dev) { return 0; } +static inline void remove_deprecated_bus_links(struct device *dev) { } +#endif /** * bus_add_device - add device to bus @@ -381,8 +396,7 @@ int bus_add_device(struct device * dev) &dev->bus->subsys.kset.kobj, "subsystem"); if (error) goto out_subsys; - error = sysfs_create_link(&dev->kobj, - &dev->bus->subsys.kset.kobj, "bus"); + error = make_deprecated_bus_links(dev); if (error) goto out_deprecated; } @@ -436,7 +450,7 @@ void bus_remove_device(struct device * dev) { if (dev->bus) { sysfs_remove_link(&dev->kobj, "subsystem"); - sysfs_remove_link(&dev->kobj, "bus"); + remove_deprecated_bus_links(dev); sysfs_remove_link(&dev->bus->devices.kobj, dev->bus_id); device_remove_attrs(dev->bus, dev); if (dev->is_registered) { @@ -724,6 +738,8 @@ int bus_register(struct bus_type * bus) { int retval; + BLOCKING_INIT_NOTIFIER_HEAD(&bus->bus_notifier); + retval = kobject_set_name(&bus->subsys.kset.kobj, "%s", bus->name); if (retval) goto out; @@ -782,6 +798,18 @@ void bus_unregister(struct bus_type * bus) subsystem_unregister(&bus->subsys); } +int bus_register_notifier(struct bus_type *bus, struct notifier_block *nb) +{ + return blocking_notifier_chain_register(&bus->bus_notifier, nb); +} +EXPORT_SYMBOL_GPL(bus_register_notifier); + +int bus_unregister_notifier(struct bus_type *bus, struct notifier_block *nb) +{ + return blocking_notifier_chain_unregister(&bus->bus_notifier, nb); +} +EXPORT_SYMBOL_GPL(bus_unregister_notifier); + int __init buses_init(void) { return subsystem_register(&bus_subsys); diff --git a/drivers/base/class.c b/drivers/base/class.c index 0ff267a..f098881 100644 --- a/drivers/base/class.c +++ b/drivers/base/class.c @@ -352,6 +352,92 @@ static const char *class_uevent_name(struct kset *kset, struct kobject *kobj) return class_dev->class->name; } +#ifdef CONFIG_SYSFS_DEPRECATED +char *make_class_name(const char *name, struct kobject *kobj) +{ + char *class_name; + int size; + + size = strlen(name) + strlen(kobject_name(kobj)) + 2; + + class_name = kmalloc(size, GFP_KERNEL); + if (!class_name) + return ERR_PTR(-ENOMEM); + + strcpy(class_name, name); + strcat(class_name, ":"); + strcat(class_name, kobject_name(kobj)); + return class_name; +} + +static int deprecated_class_uevent(char **envp, int num_envp, int *cur_index, + char *buffer, int buffer_size, + int *cur_len, + struct class_device *class_dev) +{ + struct device *dev = class_dev->dev; + char *path; + + if (!dev) + return 0; + + /* add device, backing this class device (deprecated) */ + path = kobject_get_path(&dev->kobj, GFP_KERNEL); + + add_uevent_var(envp, num_envp, cur_index, buffer, buffer_size, + cur_len, "PHYSDEVPATH=%s", path); + kfree(path); + + if (dev->bus) + add_uevent_var(envp, num_envp, cur_index, + buffer, buffer_size, cur_len, + "PHYSDEVBUS=%s", dev->bus->name); + + if (dev->driver) + add_uevent_var(envp, num_envp, cur_index, + buffer, buffer_size, cur_len, + "PHYSDEVDRIVER=%s", dev->driver->name); + return 0; +} + +static int make_deprecated_class_device_links(struct class_device *class_dev) +{ + char *class_name; + int error; + + if (!class_dev->dev) + return 0; + + class_name = make_class_name(class_dev->class->name, &class_dev->kobj); + error = sysfs_create_link(&class_dev->dev->kobj, &class_dev->kobj, + class_name); + kfree(class_name); + return error; +} + +static void remove_deprecated_class_device_links(struct class_device *class_dev) +{ + char *class_name; + + if (!class_dev->dev) + return; + + class_name = make_class_name(class_dev->class->name, &class_dev->kobj); + sysfs_remove_link(&class_dev->dev->kobj, class_name); + kfree(class_name); +} +#else +static inline int deprecated_class_uevent(char **envp, int num_envp, + int *cur_index, char *buffer, + int buffer_size, int *cur_len, + struct class_device *class_dev) +{ return 0; } +static inline int make_deprecated_class_device_links(struct class_device *cd) +{ return 0; } +static void remove_deprecated_class_device_links(struct class_device *cd) +{ } +#endif + static int class_uevent(struct kset *kset, struct kobject *kobj, char **envp, int num_envp, char *buffer, int buffer_size) { @@ -362,25 +448,8 @@ static int class_uevent(struct kset *kset, struct kobject *kobj, char **envp, pr_debug("%s - name = %s\n", __FUNCTION__, class_dev->class_id); - if (class_dev->dev) { - /* add device, backing this class device (deprecated) */ - struct device *dev = class_dev->dev; - char *path = kobject_get_path(&dev->kobj, GFP_KERNEL); - - add_uevent_var(envp, num_envp, &i, buffer, buffer_size, - &length, "PHYSDEVPATH=%s", path); - kfree(path); - - if (dev->bus) - add_uevent_var(envp, num_envp, &i, - buffer, buffer_size, &length, - "PHYSDEVBUS=%s", dev->bus->name); - - if (dev->driver) - add_uevent_var(envp, num_envp, &i, - buffer, buffer_size, &length, - "PHYSDEVDRIVER=%s", dev->driver->name); - } + deprecated_class_uevent(envp, num_envp, &i, buffer, buffer_size, + &length, class_dev); if (MAJOR(class_dev->devt)) { add_uevent_var(envp, num_envp, &i, @@ -506,29 +575,11 @@ void class_device_initialize(struct class_device *class_dev) INIT_LIST_HEAD(&class_dev->node); } -char *make_class_name(const char *name, struct kobject *kobj) -{ - char *class_name; - int size; - - size = strlen(name) + strlen(kobject_name(kobj)) + 2; - - class_name = kmalloc(size, GFP_KERNEL); - if (!class_name) - return ERR_PTR(-ENOMEM); - - strcpy(class_name, name); - strcat(class_name, ":"); - strcat(class_name, kobject_name(kobj)); - return class_name; -} - int class_device_add(struct class_device *class_dev) { struct class *parent_class = NULL; struct class_device *parent_class_dev = NULL; struct class_interface *class_intf; - char *class_name = NULL; int error = -EINVAL; class_dev = class_device_get(class_dev); @@ -599,20 +650,18 @@ int class_device_add(struct class_device *class_dev) goto out5; if (class_dev->dev) { - class_name = make_class_name(class_dev->class->name, - &class_dev->kobj); error = sysfs_create_link(&class_dev->kobj, &class_dev->dev->kobj, "device"); if (error) goto out6; - error = sysfs_create_link(&class_dev->dev->kobj, &class_dev->kobj, - class_name); - if (error) - goto out7; } error = class_device_add_groups(class_dev); if (error) + goto out7; + + error = make_deprecated_class_device_links(class_dev); + if (error) goto out8; kobject_uevent(&class_dev->kobj, KOBJ_ADD); @@ -629,8 +678,7 @@ int class_device_add(struct class_device *class_dev) goto out1; out8: - if (class_dev->dev) - sysfs_remove_link(&class_dev->kobj, class_name); + class_device_remove_groups(class_dev); out7: if (class_dev->dev) sysfs_remove_link(&class_dev->kobj, "device"); @@ -649,7 +697,6 @@ int class_device_add(struct class_device *class_dev) class_put(parent_class); out1: class_device_put(class_dev); - kfree(class_name); return error; } @@ -726,7 +773,6 @@ void class_device_del(struct class_device *class_dev) struct class *parent_class = class_dev->class; struct class_device *parent_device = class_dev->parent; struct class_interface *class_intf; - char *class_name = NULL; if (parent_class) { down(&parent_class->sem); @@ -738,10 +784,8 @@ void class_device_del(struct class_device *class_dev) } if (class_dev->dev) { - class_name = make_class_name(class_dev->class->name, - &class_dev->kobj); + remove_deprecated_class_device_links(class_dev); sysfs_remove_link(&class_dev->kobj, "device"); - sysfs_remove_link(&class_dev->dev->kobj, class_name); } sysfs_remove_link(&class_dev->kobj, "subsystem"); class_device_remove_file(class_dev, &class_dev->uevent_attr); @@ -755,7 +799,6 @@ void class_device_del(struct class_device *class_dev) class_device_put(parent_device); class_put(parent_class); - kfree(class_name); } void class_device_unregister(struct class_device *class_dev) @@ -804,14 +847,17 @@ int class_device_rename(struct class_device *class_dev, char *new_name) pr_debug("CLASS: renaming '%s' to '%s'\n", class_dev->class_id, new_name); +#ifdef CONFIG_SYSFS_DEPRECATED if (class_dev->dev) old_class_name = make_class_name(class_dev->class->name, &class_dev->kobj); +#endif strlcpy(class_dev->class_id, new_name, KOBJ_NAME_LEN); error = kobject_rename(&class_dev->kobj, new_name); +#ifdef CONFIG_SYSFS_DEPRECATED if (class_dev->dev) { new_class_name = make_class_name(class_dev->class->name, &class_dev->kobj); @@ -819,6 +865,7 @@ int class_device_rename(struct class_device *class_dev, char *new_name) new_class_name); sysfs_remove_link(&class_dev->dev->kobj, old_class_name); } +#endif class_device_put(class_dev); kfree(old_class_name); @@ -893,23 +940,6 @@ void class_interface_unregister(struct class_interface *class_intf) class_put(parent); } -int virtual_device_parent(struct device *dev) -{ - if (!dev->class) - return -ENODEV; - - if (!dev->class->virtual_dir) { - static struct kobject *virtual_dir = NULL; - - if (!virtual_dir) - virtual_dir = kobject_add_dir(&devices_subsys.kset.kobj, "virtual"); - dev->class->virtual_dir = kobject_add_dir(virtual_dir, dev->class->name); - } - - dev->kobj.parent = dev->class->virtual_dir; - return 0; -} - int __init classes_init(void) { int retval; diff --git a/drivers/base/core.c b/drivers/base/core.c index 002fde4..e4b530e 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -17,6 +17,7 @@ #include <linux/slab.h> #include <linux/string.h> #include <linux/kdev_t.h> +#include <linux/notifier.h> #include <asm/semaphore.h> @@ -153,20 +154,24 @@ static int dev_uevent(struct kset *kset, struct kobject *kobj, char **envp, "MINOR=%u", MINOR(dev->devt)); } +#ifdef CONFIG_SYSFS_DEPRECATED /* add bus name (same as SUBSYSTEM, deprecated) */ if (dev->bus) add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length, "PHYSDEVBUS=%s", dev->bus->name); +#endif /* add driver name (PHYSDEV* values are deprecated)*/ if (dev->driver) { add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length, "DRIVER=%s", dev->driver->name); +#ifdef CONFIG_SYSFS_DEPRECATED add_uevent_var(envp, num_envp, &i, buffer, buffer_size, &length, "PHYSDEVDRIVER=%s", dev->driver->name); +#endif } /* terminate, set to next free slot, shrink available space */ @@ -383,6 +388,52 @@ void device_initialize(struct device *dev) device_init_wakeup(dev, 0); } +#ifdef CONFIG_SYSFS_DEPRECATED +static int setup_parent(struct device *dev, struct device *parent) +{ + /* Set the parent to the class, not the parent device */ + /* this keeps sysfs from having a symlink to make old udevs happy */ + if (dev->class) + dev->kobj.parent = &dev->class->subsys.kset.kobj; + else if (parent) + dev->kobj.parent = &parent->kobj; + + return 0; +} +#else +static int virtual_device_parent(struct device *dev) +{ + if (!dev->class) + return -ENODEV; + + if (!dev->class->virtual_dir) { + static struct kobject *virtual_dir = NULL; + + if (!virtual_dir) + virtual_dir = kobject_add_dir(&devices_subsys.kset.kobj, "virtual"); + dev->class->virtual_dir = kobject_add_dir(virtual_dir, dev->class->name); + } + + dev->kobj.parent = dev->class->virtual_dir; + return 0; +} + +static int setup_parent(struct device *dev, struct device *parent) +{ + int error; + + /* if this is a class device, and has no parent, create one */ + if ((dev->class) && (parent == NULL)) { + error = virtual_device_parent(dev); + if (error) + return error; + } else if (parent) + dev->kobj.parent = &parent->kobj; + + return 0; +} +#endif + /** * device_add - add device to device hierarchy. * @dev: device. @@ -405,29 +456,29 @@ int device_add(struct device *dev) if (!dev || !strlen(dev->bus_id)) goto Error; - /* if this is a class device, and has no parent, create one */ - if ((dev->class) && (dev->parent == NULL)) { - error = virtual_device_parent(dev); - if (error) - goto Error; - } + pr_debug("DEV: registering device: ID = '%s'\n", dev->bus_id); parent = get_device(dev->parent); - pr_debug("DEV: registering device: ID = '%s'\n", dev->bus_id); + error = setup_parent(dev, parent); + if (error) + goto Error; /* first, register with generic layer. */ kobject_set_name(&dev->kobj, "%s", dev->bus_id); - if (parent) - dev->kobj.parent = &parent->kobj; - - if ((error = kobject_add(&dev->kobj))) + error = kobject_add(&dev->kobj); + if (error) goto Error; /* notify platform of device entry */ if (platform_notify) platform_notify(dev); + /* notify clients of device entry (new way) */ + if (dev->bus) + blocking_notifier_call_chain(&dev->bus->bus_notifier, + BUS_NOTIFY_ADD_DEVICE, dev); + dev->uevent_attr.attr.name = "uevent"; dev->uevent_attr.attr.mode = S_IWUSR; if (dev->driver) @@ -461,13 +512,18 @@ int device_add(struct device *dev) if (dev->class) { sysfs_create_link(&dev->kobj, &dev->class->subsys.kset.kobj, "subsystem"); - sysfs_create_link(&dev->class->subsys.kset.kobj, &dev->kobj, - dev->bus_id); + /* If this is not a "fake" compatible device, then create the + * symlink from the class to the device. */ + if (dev->kobj.parent != &dev->class->subsys.kset.kobj) + sysfs_create_link(&dev->class->subsys.kset.kobj, + &dev->kobj, dev->bus_id); +#ifdef CONFIG_SYSFS_DEPRECATED if (parent) { sysfs_create_link(&dev->kobj, &dev->parent->kobj, "device"); class_name = make_class_name(dev->class->name, &dev->kobj); sysfs_create_link(&dev->parent->kobj, &dev->kobj, class_name); } +#endif } if ((error = device_add_attrs(dev))) @@ -504,6 +560,9 @@ int device_add(struct device *dev) BusError: device_pm_remove(dev); PMError: + if (dev->bus) + blocking_notifier_call_chain(&dev->bus->bus_notifier, + BUS_NOTIFY_DEL_DEVICE, dev); device_remove_groups(dev); GroupError: device_remove_attrs(dev); @@ -586,7 +645,6 @@ void put_device(struct device * dev) void device_del(struct device * dev) { struct device * parent = dev->parent; - char *class_name = NULL; struct class_interface *class_intf; if (parent) @@ -597,13 +655,21 @@ void device_del(struct device * dev) } if (dev->class) { sysfs_remove_link(&dev->kobj, "subsystem"); - sysfs_remove_link(&dev->class->subsys.kset.kobj, dev->bus_id); - class_name = make_class_name(dev->class->name, &dev->kobj); + /* If this is not a "fake" compatible device, remove the + * symlink from the class to the device. */ + if (dev->kobj.parent != &dev->class->subsys.kset.kobj) + sysfs_remove_link(&dev->class->subsys.kset.kobj, + dev->bus_id); +#ifdef CONFIG_SYSFS_DEPRECATED if (parent) { - sysfs_remove_link(&dev->kobj, "device"); + char *class_name = make_class_name(dev->class->name, + &dev->kobj); sysfs_remove_link(&dev->parent->kobj, class_name); + kfree(class_name); + sysfs_remove_link(&dev->kobj, "device"); } - kfree(class_name); +#endif + down(&dev->class->sem); /* notify any interfaces that the device is now gone */ list_for_each_entry(class_intf, &dev->class->interfaces, node) @@ -616,13 +682,16 @@ void device_del(struct device * dev) device_remove_file(dev, &dev->uevent_attr); device_remove_groups(dev); device_remove_attrs(dev); + bus_remove_device(dev); /* Notify the platform of the removal, in case they * need to do anything... */ if (platform_notify_remove) platform_notify_remove(dev); - bus_remove_device(dev); + if (dev->bus) + blocking_notifier_call_chain(&dev->bus->bus_notifier, + BUS_NOTIFY_DEL_DEVICE, dev); device_pm_remove(dev); kobject_uevent(&dev->kobj, KOBJ_REMOVE); kobject_del(&dev->kobj); @@ -681,12 +750,45 @@ int device_for_each_child(struct device * parent, void * data, return error; } +/** + * device_find_child - device iterator for locating a particular device. + * @parent: parent struct device + * @data: Data to pass to match function + * @match: Callback function to check device + * + * This is similar to the device_for_each_child() function above, but it + * returns a reference to a device that is 'found' for later use, as + * determined by the @match callback. + * + * The callback should return 0 if the device doesn't match and non-zero + * if it does. If the callback returns non-zero and a reference to the + * current device can be obtained, this function will return to the caller + * and not iterate over any more devices. + */ +struct device * device_find_child(struct device *parent, void *data, + int (*match)(struct device *, void *)) +{ + struct klist_iter i; + struct device *child; + + if (!parent) + return NULL; + + klist_iter_init(&parent->klist_children, &i); + while ((child = next_device(&i))) + if (match(child, data) && get_device(child)) + break; + klist_iter_exit(&i); + return child; +} + int __init devices_init(void) { return subsystem_register(&devices_subsys); } EXPORT_SYMBOL_GPL(device_for_each_child); +EXPORT_SYMBOL_GPL(device_find_child); EXPORT_SYMBOL_GPL(device_initialize); EXPORT_SYMBOL_GPL(device_add); @@ -809,8 +911,10 @@ int device_rename(struct device *dev, char *new_name) pr_debug("DEVICE: renaming '%s' to '%s'\n", dev->bus_id, new_name); +#ifdef CONFIG_SYSFS_DEPRECATED if ((dev->class) && (dev->parent)) old_class_name = make_class_name(dev->class->name, &dev->kobj); +#endif if (dev->class) { old_symlink_name = kmalloc(BUS_ID_SIZE, GFP_KERNEL); @@ -825,6 +929,7 @@ int device_rename(struct device *dev, char *new_name) error = kobject_rename(&dev->kobj, new_name); +#ifdef CONFIG_SYSFS_DEPRECATED if (old_class_name) { new_class_name = make_class_name(dev->class->name, &dev->kobj); if (new_class_name) { @@ -833,6 +938,8 @@ int device_rename(struct device *dev, char *new_name) sysfs_remove_link(&dev->parent->kobj, old_class_name); } } +#endif + if (dev->class) { sysfs_remove_link(&dev->class->subsys.kset.kobj, old_symlink_name); @@ -848,3 +955,95 @@ int device_rename(struct device *dev, char *new_name) return error; } + + +static int device_move_class_links(struct device *dev, + struct device *old_parent, + struct device *new_parent) +{ +#ifdef CONFIG_SYSFS_DEPRECATED + int error; + char *class_name; + + class_name = make_class_name(dev->class->name, &dev->kobj); + if (!class_name) { + error = PTR_ERR(class_name); + class_name = NULL; + goto out; + } + if (old_parent) { + sysfs_remove_link(&dev->kobj, "device"); + sysfs_remove_link(&old_parent->kobj, class_name); + } + error = sysfs_create_link(&dev->kobj, &new_parent->kobj, "device"); + if (error) + goto out; + error = sysfs_create_link(&new_parent->kobj, &dev->kobj, class_name); + if (error) + sysfs_remove_link(&dev->kobj, "device"); +out: + kfree(class_name); + return error; +#else + return 0; +#endif +} + +/** + * device_move - moves a device to a new parent + * @dev: the pointer to the struct device to be moved + * @new_parent: the new parent of the device + */ +int device_move(struct device *dev, struct device *new_parent) +{ + int error; + struct device *old_parent; + + dev = get_device(dev); + if (!dev) + return -EINVAL; + + if (!device_is_registered(dev)) { + error = -EINVAL; + goto out; + } + new_parent = get_device(new_parent); + if (!new_parent) { + error = -EINVAL; + goto out; + } + pr_debug("DEVICE: moving '%s' to '%s'\n", dev->bus_id, + new_parent->bus_id); + error = kobject_move(&dev->kobj, &new_parent->kobj); + if (error) { + put_device(new_parent); + goto out; + } + old_parent = dev->parent; + dev->parent = new_parent; + if (old_parent) + klist_remove(&dev->knode_parent); + klist_add_tail(&dev->knode_parent, &new_parent->klist_children); + if (!dev->class) + goto out_put; + error = device_move_class_links(dev, old_parent, new_parent); + if (error) { + /* We ignore errors on cleanup since we're hosed anyway... */ + device_move_class_links(dev, new_parent, old_parent); + if (!kobject_move(&dev->kobj, &old_parent->kobj)) { + klist_remove(&dev->knode_parent); + if (old_parent) + klist_add_tail(&dev->knode_parent, + &old_parent->klist_children); + } + put_device(new_parent); + goto out; + } +out_put: + put_device(old_parent); +out: + put_device(dev); + return error; +} + +EXPORT_SYMBOL_GPL(device_move); diff --git a/drivers/base/dd.c b/drivers/base/dd.c index c5d6bb4..510e788 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -26,33 +26,28 @@ #define to_drv(node) container_of(node, struct device_driver, kobj.entry) -/** - * device_bind_driver - bind a driver to one device. - * @dev: device. - * - * Allow manual attachment of a driver to a device. - * Caller must have already set @dev->driver. - * - * Note that this does not modify the bus reference count - * nor take the bus's rwsem. Please verify those are accounted - * for before calling this. (It is ok to call with no other effort - * from a driver's probe() method.) - * - * This function must be called with @dev->sem held. - */ -int device_bind_driver(struct device *dev) +static void driver_bound(struct device *dev) { - int ret; - if (klist_node_attached(&dev->knode_driver)) { printk(KERN_WARNING "%s: device %s already bound\n", __FUNCTION__, kobject_name(&dev->kobj)); - return 0; + return; } pr_debug("bound device '%s' to driver '%s'\n", dev->bus_id, dev->driver->name); + + if (dev->bus) + blocking_notifier_call_chain(&dev->bus->bus_notifier, + BUS_NOTIFY_BOUND_DRIVER, dev); + klist_add_tail(&dev->knode_driver, &dev->driver->klist_devices); +} + +static int driver_sysfs_add(struct device *dev) +{ + int ret; + ret = sysfs_create_link(&dev->driver->kobj, &dev->kobj, kobject_name(&dev->kobj)); if (ret == 0) { @@ -65,6 +60,36 @@ int device_bind_driver(struct device *dev) return ret; } +static void driver_sysfs_remove(struct device *dev) +{ + struct device_driver *drv = dev->driver; + + if (drv) { + sysfs_remove_link(&drv->kobj, kobject_name(&dev->kobj)); + sysfs_remove_link(&dev->kobj, "driver"); + } +} + +/** + * device_bind_driver - bind a driver to one device. + * @dev: device. + * + * Allow manual attachment of a driver to a device. + * Caller must have already set @dev->driver. + * + * Note that this does not modify the bus reference count + * nor take the bus's rwsem. Please verify those are accounted + * for before calling this. (It is ok to call with no other effort + * from a driver's probe() method.) + * + * This function must be called with @dev->sem held. + */ +int device_bind_driver(struct device *dev) +{ + driver_bound(dev); + return driver_sysfs_add(dev); +} + struct stupid_thread_structure { struct device_driver *drv; struct device *dev; @@ -85,30 +110,32 @@ static int really_probe(void *void_data) drv->bus->name, drv->name, dev->bus_id); dev->driver = drv; + if (driver_sysfs_add(dev)) { + printk(KERN_ERR "%s: driver_sysfs_add(%s) failed\n", + __FUNCTION__, dev->bus_id); + goto probe_failed; + } + if (dev->bus->probe) { ret = dev->bus->probe(dev); - if (ret) { - dev->driver = NULL; + if (ret) goto probe_failed; - } } else if (drv->probe) { ret = drv->probe(dev); - if (ret) { - dev->driver = NULL; + if (ret) goto probe_failed; - } - } - if (device_bind_driver(dev)) { - printk(KERN_ERR "%s: device_bind_driver(%s) failed\n", - __FUNCTION__, dev->bus_id); - /* How does undo a ->probe? We're screwed. */ } + + driver_bound(dev); ret = 1; pr_debug("%s: Bound Device %s to Driver %s\n", drv->bus->name, dev->bus_id, drv->name); goto done; probe_failed: + driver_sysfs_remove(dev); + dev->driver = NULL; + if (ret == -ENODEV || ret == -ENXIO) { /* Driver matched, but didn't support device * or device not found. @@ -284,10 +311,15 @@ static void __device_release_driver(struct device * dev) drv = dev->driver; if (drv) { get_driver(drv); - sysfs_remove_link(&drv->kobj, kobject_name(&dev->kobj)); + driver_sysfs_remove(dev); sysfs_remove_link(&dev->kobj, "driver"); klist_remove(&dev->knode_driver); + if (dev->bus) + blocking_notifier_call_chain(&dev->bus->bus_notifier, + BUS_NOTIFY_UNBIND_DRIVER, + dev); + if (dev->bus && dev->bus->remove) dev->bus->remove(dev); else if (drv->remove) diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c index 1461569..4bad287 100644 --- a/drivers/base/firmware_class.c +++ b/drivers/base/firmware_class.c @@ -21,6 +21,8 @@ #include <linux/firmware.h> #include "base.h" +#define to_dev(obj) container_of(obj, struct device, kobj) + MODULE_AUTHOR("Manuel Estrada Sainz <ranty@debian.org>"); MODULE_DESCRIPTION("Multi purpose firmware loading support"); MODULE_LICENSE("GPL"); @@ -86,12 +88,12 @@ firmware_timeout_store(struct class *class, const char *buf, size_t count) static CLASS_ATTR(timeout, 0644, firmware_timeout_show, firmware_timeout_store); -static void fw_class_dev_release(struct class_device *class_dev); +static void fw_dev_release(struct device *dev); -static int firmware_class_uevent(struct class_device *class_dev, char **envp, - int num_envp, char *buffer, int buffer_size) +static int firmware_uevent(struct device *dev, char **envp, int num_envp, + char *buffer, int buffer_size) { - struct firmware_priv *fw_priv = class_get_devdata(class_dev); + struct firmware_priv *fw_priv = dev_get_drvdata(dev); int i = 0, len = 0; if (!test_bit(FW_STATUS_READY, &fw_priv->status)) @@ -110,21 +112,21 @@ static int firmware_class_uevent(struct class_device *class_dev, char **envp, static struct class firmware_class = { .name = "firmware", - .uevent = firmware_class_uevent, - .release = fw_class_dev_release, + .dev_uevent = firmware_uevent, + .dev_release = fw_dev_release, }; -static ssize_t -firmware_loading_show(struct class_device *class_dev, char *buf) +static ssize_t firmware_loading_show(struct device *dev, + struct device_attribute *attr, char *buf) { - struct firmware_priv *fw_priv = class_get_devdata(class_dev); + struct firmware_priv *fw_priv = dev_get_drvdata(dev); int loading = test_bit(FW_STATUS_LOADING, &fw_priv->status); return sprintf(buf, "%d\n", loading); } /** * firmware_loading_store - set value in the 'loading' control file - * @class_dev: class_device pointer + * @dev: device pointer * @buf: buffer to scan for loading control value * @count: number of bytes in @buf * @@ -134,11 +136,11 @@ firmware_loading_show(struct class_device *class_dev, char *buf) * 0: Conclude the load and hand the data to the driver code. * -1: Conclude the load with an error and discard any written data. **/ -static ssize_t -firmware_loading_store(struct class_device *class_dev, - const char *buf, size_t count) +static ssize_t firmware_loading_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) { - struct firmware_priv *fw_priv = class_get_devdata(class_dev); + struct firmware_priv *fw_priv = dev_get_drvdata(dev); int loading = simple_strtol(buf, NULL, 10); switch (loading) { @@ -174,15 +176,14 @@ firmware_loading_store(struct class_device *class_dev, return count; } -static CLASS_DEVICE_ATTR(loading, 0644, - firmware_loading_show, firmware_loading_store); +static DEVICE_ATTR(loading, 0644, firmware_loading_show, firmware_loading_store); static ssize_t firmware_data_read(struct kobject *kobj, char *buffer, loff_t offset, size_t count) { - struct class_device *class_dev = to_class_dev(kobj); - struct firmware_priv *fw_priv = class_get_devdata(class_dev); + struct device *dev = to_dev(kobj); + struct firmware_priv *fw_priv = dev_get_drvdata(dev); struct firmware *fw; ssize_t ret_count = count; @@ -234,7 +235,7 @@ fw_realloc_buffer(struct firmware_priv *fw_priv, int min_size) /** * firmware_data_write - write method for firmware - * @kobj: kobject for the class_device + * @kobj: kobject for the device * @buffer: buffer being written * @offset: buffer offset for write in total data store area * @count: buffer size @@ -246,8 +247,8 @@ static ssize_t firmware_data_write(struct kobject *kobj, char *buffer, loff_t offset, size_t count) { - struct class_device *class_dev = to_class_dev(kobj); - struct firmware_priv *fw_priv = class_get_devdata(class_dev); + struct device *dev = to_dev(kobj); + struct firmware_priv *fw_priv = dev_get_drvdata(dev); struct firmware *fw; ssize_t retval; @@ -280,13 +281,12 @@ static struct bin_attribute firmware_attr_data_tmpl = { .write = firmware_data_write, }; -static void -fw_class_dev_release(struct class_device *class_dev) +static void fw_dev_release(struct device *dev) { - struct firmware_priv *fw_priv = class_get_devdata(class_dev); + struct firmware_priv *fw_priv = dev_get_drvdata(dev); kfree(fw_priv); - kfree(class_dev); + kfree(dev); module_put(THIS_MODULE); } @@ -298,26 +298,23 @@ firmware_class_timeout(u_long data) fw_load_abort(fw_priv); } -static inline void -fw_setup_class_device_id(struct class_device *class_dev, struct device *dev) +static inline void fw_setup_device_id(struct device *f_dev, struct device *dev) { /* XXX warning we should watch out for name collisions */ - strlcpy(class_dev->class_id, dev->bus_id, BUS_ID_SIZE); + strlcpy(f_dev->bus_id, dev->bus_id, BUS_ID_SIZE); } -static int -fw_register_class_device(struct class_device **class_dev_p, - const char *fw_name, struct device *device) +static int fw_register_device(struct device **dev_p, const char *fw_name, + struct device *device) { int retval; struct firmware_priv *fw_priv = kzalloc(sizeof(*fw_priv), GFP_KERNEL); - struct class_device *class_dev = kzalloc(sizeof(*class_dev), - GFP_KERNEL); + struct device *f_dev = kzalloc(sizeof(*f_dev), GFP_KERNEL); - *class_dev_p = NULL; + *dev_p = NULL; - if (!fw_priv || !class_dev) { + if (!fw_priv || !f_dev) { printk(KERN_ERR "%s: kmalloc failed\n", __FUNCTION__); retval = -ENOMEM; goto error_kfree; @@ -331,55 +328,54 @@ fw_register_class_device(struct class_device **class_dev_p, fw_priv->timeout.data = (u_long) fw_priv; init_timer(&fw_priv->timeout); - fw_setup_class_device_id(class_dev, device); - class_dev->dev = device; - class_dev->class = &firmware_class; - class_set_devdata(class_dev, fw_priv); - retval = class_device_register(class_dev); + fw_setup_device_id(f_dev, device); + f_dev->parent = device; + f_dev->class = &firmware_class; + dev_set_drvdata(f_dev, fw_priv); + retval = device_register(f_dev); if (retval) { - printk(KERN_ERR "%s: class_device_register failed\n", + printk(KERN_ERR "%s: device_register failed\n", __FUNCTION__); goto error_kfree; } - *class_dev_p = class_dev; + *dev_p = f_dev; return 0; error_kfree: kfree(fw_priv); - kfree(class_dev); + kfree(f_dev); return retval; } -static int -fw_setup_class_device(struct firmware *fw, struct class_device **class_dev_p, - const char *fw_name, struct device *device, int uevent) +static int fw_setup_device(struct firmware *fw, struct device **dev_p, + const char *fw_name, struct device *device, + int uevent) { - struct class_device *class_dev; + struct device *f_dev; struct firmware_priv *fw_priv; int retval; - *class_dev_p = NULL; - retval = fw_register_class_device(&class_dev, fw_name, device); + *dev_p = NULL; + retval = fw_register_device(&f_dev, fw_name, device); if (retval) goto out; /* Need to pin this module until class device is destroyed */ __module_get(THIS_MODULE); - fw_priv = class_get_devdata(class_dev); + fw_priv = dev_get_drvdata(f_dev); fw_priv->fw = fw; - retval = sysfs_create_bin_file(&class_dev->kobj, &fw_priv->attr_data); + retval = sysfs_create_bin_file(&f_dev->kobj, &fw_priv->attr_data); if (retval) { printk(KERN_ERR "%s: sysfs_create_bin_file failed\n", __FUNCTION__); goto error_unreg; } - retval = class_device_create_file(class_dev, - &class_device_attr_loading); + retval = device_create_file(f_dev, &dev_attr_loading); if (retval) { - printk(KERN_ERR "%s: class_device_create_file failed\n", + printk(KERN_ERR "%s: device_create_file failed\n", __FUNCTION__); goto error_unreg; } @@ -388,11 +384,11 @@ fw_setup_class_device(struct firmware *fw, struct class_device **class_dev_p, set_bit(FW_STATUS_READY, &fw_priv->status); else set_bit(FW_STATUS_READY_NOHOTPLUG, &fw_priv->status); - *class_dev_p = class_dev; + *dev_p = f_dev; goto out; error_unreg: - class_device_unregister(class_dev); + device_unregister(f_dev); out: return retval; } @@ -401,7 +397,7 @@ static int _request_firmware(const struct firmware **firmware_p, const char *name, struct device *device, int uevent) { - struct class_device *class_dev; + struct device *f_dev; struct firmware_priv *fw_priv; struct firmware *firmware; int retval; @@ -417,12 +413,11 @@ _request_firmware(const struct firmware **firmware_p, const char *name, goto out; } - retval = fw_setup_class_device(firmware, &class_dev, name, device, - uevent); + retval = fw_setup_device(firmware, &f_dev, name, device, uevent); if (retval) goto error_kfree_fw; - fw_priv = class_get_devdata(class_dev); + fw_priv = dev_get_drvdata(f_dev); if (uevent) { if (loading_timeout > 0) { @@ -430,7 +425,7 @@ _request_firmware(const struct firmware **firmware_p, const char *name, add_timer(&fw_priv->timeout); } - kobject_uevent(&class_dev->kobj, KOBJ_ADD); + kobject_uevent(&f_dev->kobj, KOBJ_ADD); wait_for_completion(&fw_priv->completion); set_bit(FW_STATUS_DONE, &fw_priv->status); del_timer_sync(&fw_priv->timeout); @@ -445,7 +440,7 @@ _request_firmware(const struct firmware **firmware_p, const char *name, } fw_priv->fw = NULL; mutex_unlock(&fw_lock); - class_device_unregister(class_dev); + device_unregister(f_dev); goto out; error_kfree_fw: diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 940ce41..d1df4a0 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -388,6 +388,11 @@ static int platform_drv_probe(struct device *_dev) return drv->probe(dev); } +static int platform_drv_probe_fail(struct device *_dev) +{ + return -ENXIO; +} + static int platform_drv_remove(struct device *_dev) { struct platform_driver *drv = to_platform_driver(_dev->driver); @@ -451,6 +456,49 @@ void platform_driver_unregister(struct platform_driver *drv) } EXPORT_SYMBOL_GPL(platform_driver_unregister); +/** + * platform_driver_probe - register driver for non-hotpluggable device + * @drv: platform driver structure + * @probe: the driver probe routine, probably from an __init section + * + * Use this instead of platform_driver_register() when you know the device + * is not hotpluggable and has already been registered, and you want to + * remove its run-once probe() infrastructure from memory after the driver + * has bound to the device. + * + * One typical use for this would be with drivers for controllers integrated + * into system-on-chip processors, where the controller devices have been + * configured as part of board setup. + * + * Returns zero if the driver registered and bound to a device, else returns + * a negative error code and with the driver not registered. + */ +int platform_driver_probe(struct platform_driver *drv, + int (*probe)(struct platform_device *)) +{ + int retval, code; + + /* temporary section violation during probe() */ + drv->probe = probe; + retval = code = platform_driver_register(drv); + + /* Fixup that section violation, being paranoid about code scanning + * the list of drivers in order to probe new devices. Check to see + * if the probe was successful, and make sure any forced probes of + * new devices fail. + */ + spin_lock(&platform_bus_type.klist_drivers.k_lock); + drv->probe = NULL; + if (code == 0 && list_empty(&drv->driver.klist_devices.k_list)) + retval = -ENODEV; + drv->driver.probe = platform_drv_probe_fail; + spin_unlock(&platform_bus_type.klist_drivers.k_lock); + + if (code != retval) + platform_driver_unregister(drv); + return retval; +} +EXPORT_SYMBOL_GPL(platform_driver_probe); /* modalias support enables more hands-off userspace setup: * (a) environment variable lets new-style hotplug events work once system is diff --git a/drivers/base/topology.c b/drivers/base/topology.c index 28dccb7..3d12b85 100644 --- a/drivers/base/topology.c +++ b/drivers/base/topology.c @@ -94,54 +94,63 @@ static struct attribute_group topology_attr_group = { .name = "topology" }; +static cpumask_t topology_dev_map = CPU_MASK_NONE; + /* Add/Remove cpu_topology interface for CPU device */ -static int __cpuinit topology_add_dev(struct sys_device * sys_dev) +static int __cpuinit topology_add_dev(unsigned int cpu) { - return sysfs_create_group(&sys_dev->kobj, &topology_attr_group); + int rc; + struct sys_device *sys_dev = get_cpu_sysdev(cpu); + + rc = sysfs_create_group(&sys_dev->kobj, &topology_attr_group); + if (!rc) + cpu_set(cpu, topology_dev_map); + return rc; } -static int __cpuinit topology_remove_dev(struct sys_device * sys_dev) +#ifdef CONFIG_HOTPLUG_CPU +static void __cpuinit topology_remove_dev(unsigned int cpu) { + struct sys_device *sys_dev = get_cpu_sysdev(cpu); + + if (!cpu_isset(cpu, topology_dev_map)) + return; + cpu_clear(cpu, topology_dev_map); sysfs_remove_group(&sys_dev->kobj, &topology_attr_group); - return 0; } static int __cpuinit topology_cpu_callback(struct notifier_block *nfb, - unsigned long action, void *hcpu) + unsigned long action, void *hcpu) { unsigned int cpu = (unsigned long)hcpu; - struct sys_device *sys_dev; + int rc = 0; - sys_dev = get_cpu_sysdev(cpu); switch (action) { - case CPU_ONLINE: - topology_add_dev(sys_dev); + case CPU_UP_PREPARE: + rc = topology_add_dev(cpu); break; + case CPU_UP_CANCELED: case CPU_DEAD: - topology_remove_dev(sys_dev); + topology_remove_dev(cpu); break; } - return NOTIFY_OK; + return rc ? NOTIFY_BAD : NOTIFY_OK; } - -static struct notifier_block __cpuinitdata topology_cpu_notifier = -{ - .notifier_call = topology_cpu_callback, -}; +#endif static int __cpuinit topology_sysfs_init(void) { - int i; + int cpu; + int rc; - for_each_online_cpu(i) { - topology_cpu_callback(&topology_cpu_notifier, CPU_ONLINE, - (void *)(long)i); + for_each_online_cpu(cpu) { + rc = topology_add_dev(cpu); + if (rc) + return rc; } - - register_hotcpu_notifier(&topology_cpu_notifier); + hotcpu_notifier(topology_cpu_callback, 0); return 0; } device_initcall(topology_sysfs_init); - diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c index 7ea0f48..2df5cf4 100644 --- a/drivers/cdrom/cdrom.c +++ b/drivers/cdrom/cdrom.c @@ -2133,16 +2133,14 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf, rq->timeout = 60 * HZ; bio = rq->bio; - if (rq->bio) - blk_queue_bounce(q, &rq->bio); - if (blk_execute_rq(q, cdi->disk, rq, 0)) { struct request_sense *s = rq->sense; ret = -EIO; cdi->last_sense = s->sense_key; } - if (blk_rq_unmap_user(bio, len)) + rq->bio = bio; + if (blk_rq_unmap_user(rq)) ret = -EFAULT; if (ret) diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 2af12fc..ad8b537 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -994,7 +994,7 @@ config HPET help If you say Y here, you will have a miscdevice named "/dev/hpet/". Each open selects one of the timers supported by the HPET. The timers are - non-periodioc and/or periodic. + non-periodic and/or periodic. config HPET_RTC_IRQ bool "HPET Control RTC IRQ" if !HPET_EMULATE_RTC diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index 154a81d..ebace20 100644 --- a/drivers/char/hw_random/core.c +++ b/drivers/char/hw_random/core.c @@ -162,7 +162,8 @@ static struct miscdevice rng_miscdev = { }; -static ssize_t hwrng_attr_current_store(struct class_device *class, +static ssize_t hwrng_attr_current_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t len) { int err; @@ -192,7 +193,8 @@ static ssize_t hwrng_attr_current_store(struct class_device *class, return err ? : len; } -static ssize_t hwrng_attr_current_show(struct class_device *class, +static ssize_t hwrng_attr_current_show(struct device *dev, + struct device_attribute *attr, char *buf) { int err; @@ -210,7 +212,8 @@ static ssize_t hwrng_attr_current_show(struct class_device *class, return ret; } -static ssize_t hwrng_attr_available_show(struct class_device *class, +static ssize_t hwrng_attr_available_show(struct device *dev, + struct device_attribute *attr, char *buf) { int err; @@ -234,20 +237,18 @@ static ssize_t hwrng_attr_available_show(struct class_device *class, return ret; } -static CLASS_DEVICE_ATTR(rng_current, S_IRUGO | S_IWUSR, - hwrng_attr_current_show, - hwrng_attr_current_store); -static CLASS_DEVICE_ATTR(rng_available, S_IRUGO, - hwrng_attr_available_show, - NULL); +static DEVICE_ATTR(rng_current, S_IRUGO | S_IWUSR, + hwrng_attr_current_show, + hwrng_attr_current_store); +static DEVICE_ATTR(rng_available, S_IRUGO, + hwrng_attr_available_show, + NULL); static void unregister_miscdev(void) { - class_device_remove_file(rng_miscdev.class, - &class_device_attr_rng_available); - class_device_remove_file(rng_miscdev.class, - &class_device_attr_rng_current); + device_remove_file(rng_miscdev.this_device, &dev_attr_rng_available); + device_remove_file(rng_miscdev.this_device, &dev_attr_rng_current); misc_deregister(&rng_miscdev); } @@ -258,20 +259,19 @@ static int register_miscdev(void) err = misc_register(&rng_miscdev); if (err) goto out; - err = class_device_create_file(rng_miscdev.class, - &class_device_attr_rng_current); + err = device_create_file(rng_miscdev.this_device, + &dev_attr_rng_current); if (err) goto err_misc_dereg; - err = class_device_create_file(rng_miscdev.class, - &class_device_attr_rng_available); + err = device_create_file(rng_miscdev.this_device, + &dev_attr_rng_available); if (err) goto err_remove_current; out: return err; err_remove_current: - class_device_remove_file(rng_miscdev.class, - &class_device_attr_rng_current); + device_remove_file(rng_miscdev.this_device, &dev_attr_rng_current); err_misc_dereg: misc_deregister(&rng_miscdev); goto out; diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 5547337..e67eef4 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -980,10 +980,10 @@ static int __init chr_dev_init(void) mem_class = class_create(THIS_MODULE, "mem"); for (i = 0; i < ARRAY_SIZE(devlist); i++) - class_device_create(mem_class, NULL, - MKDEV(MEM_MAJOR, devlist[i].minor), - NULL, devlist[i].name); - + device_create(mem_class, NULL, + MKDEV(MEM_MAJOR, devlist[i].minor), + devlist[i].name); + return 0; } diff --git a/drivers/char/misc.c b/drivers/char/misc.c index 62ebe09..7a484fc 100644 --- a/drivers/char/misc.c +++ b/drivers/char/misc.c @@ -169,11 +169,6 @@ fail: return err; } -/* - * TODO for 2.7: - * - add a struct kref to struct miscdevice and make all usages of - * them dynamic. - */ static struct class *misc_class; static const struct file_operations misc_fops = { @@ -228,10 +223,10 @@ int misc_register(struct miscdevice * misc) misc_minors[misc->minor >> 3] |= 1 << (misc->minor & 7); dev = MKDEV(MISC_MAJOR, misc->minor); - misc->class = class_device_create(misc_class, NULL, dev, misc->dev, + misc->this_device = device_create(misc_class, misc->parent, dev, "%s", misc->name); - if (IS_ERR(misc->class)) { - err = PTR_ERR(misc->class); + if (IS_ERR(misc->this_device)) { + err = PTR_ERR(misc->this_device); goto out; } @@ -264,7 +259,7 @@ int misc_deregister(struct miscdevice * misc) down(&misc_sem); list_del(&misc->list); - class_device_destroy(misc_class, MKDEV(MISC_MAJOR, misc->minor)); + device_destroy(misc_class, MKDEV(MISC_MAJOR, misc->minor)); if (i < DYNAMIC_MINORS && i>0) { misc_minors[i>>3] &= ~(1 << (misc->minor & 7)); } diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c index efc485e..c1e3dd8 100644 --- a/drivers/char/ppdev.c +++ b/drivers/char/ppdev.c @@ -752,13 +752,13 @@ static const struct file_operations pp_fops = { static void pp_attach(struct parport *port) { - class_device_create(ppdev_class, NULL, MKDEV(PP_MAJOR, port->number), - NULL, "parport%d", port->number); + device_create(ppdev_class, NULL, MKDEV(PP_MAJOR, port->number), + "parport%d", port->number); } static void pp_detach(struct parport *port) { - class_device_destroy(ppdev_class, MKDEV(PP_MAJOR, port->number)); + device_destroy(ppdev_class, MKDEV(PP_MAJOR, port->number)); } static struct parport_driver pp_driver = { diff --git a/drivers/char/raw.c b/drivers/char/raw.c index 89b718e..3b32313 100644 --- a/drivers/char/raw.c +++ b/drivers/char/raw.c @@ -127,9 +127,9 @@ raw_ioctl(struct inode *inode, struct file *filp, static void bind_device(struct raw_config_request *rq) { - class_device_destroy(raw_class, MKDEV(RAW_MAJOR, rq->raw_minor)); - class_device_create(raw_class, NULL, MKDEV(RAW_MAJOR, rq->raw_minor), - NULL, "raw%d", rq->raw_minor); + device_destroy(raw_class, MKDEV(RAW_MAJOR, rq->raw_minor)); + device_create(raw_class, NULL, MKDEV(RAW_MAJOR, rq->raw_minor), + "raw%d", rq->raw_minor); } /* @@ -200,7 +200,7 @@ static int raw_ctl_ioctl(struct inode *inode, struct file *filp, if (rq.block_major == 0 && rq.block_minor == 0) { /* unbind */ rawdev->binding = NULL; - class_device_destroy(raw_class, + device_destroy(raw_class, MKDEV(RAW_MAJOR, rq.raw_minor)); } else { rawdev->binding = bdget(dev); @@ -283,7 +283,7 @@ static int __init raw_init(void) ret = PTR_ERR(raw_class); goto error_region; } - class_device_create(raw_class, NULL, MKDEV(RAW_MAJOR, 0), NULL, "rawctl"); + device_create(raw_class, NULL, MKDEV(RAW_MAJOR, 0), "rawctl"); return 0; @@ -295,7 +295,7 @@ error: static void __exit raw_exit(void) { - class_device_destroy(raw_class, MKDEV(RAW_MAJOR, 0)); + device_destroy(raw_class, MKDEV(RAW_MAJOR, 0)); class_destroy(raw_class); cdev_del(&raw_cdev); unregister_chrdev_region(MKDEV(RAW_MAJOR, 0), MAX_RAW_MINORS); diff --git a/drivers/char/rio/riocmd.c b/drivers/char/rio/riocmd.c index 4df6ab2..167ebc8 100644 --- a/drivers/char/rio/riocmd.c +++ b/drivers/char/rio/riocmd.c @@ -922,7 +922,7 @@ int RIOUnUse(unsigned long iPortP, struct CmdBlk *CmdBlkP) ** ** Packet is an actual packet structure to be filled in with the packet ** information associated with the command. You need to fill in everything, -** as the command processore doesn't process the command packet in any way. +** as the command processor doesn't process the command packet in any way. ** ** The PreFuncP is called before the packet is enqueued on the host rup. ** PreFuncP is called as (*PreFuncP)(PreArg, CmdBlkP);. PreFuncP must diff --git a/drivers/char/rio/rioinit.c b/drivers/char/rio/rioinit.c index 99f3df0..0794844 100644 --- a/drivers/char/rio/rioinit.c +++ b/drivers/char/rio/rioinit.c @@ -222,7 +222,7 @@ int RIOBoardTest(unsigned long paddr, void __iomem *caddr, unsigned char type, i ** which value will be written into memory. ** Call with op set to zero means that the RAM will not be read and checked ** before it is written. -** Call with op not zero, and the RAM will be read and compated with val[op-1] +** Call with op not zero and the RAM will be read and compared with val[op-1] ** to check that the data from the previous phase was retained. */ diff --git a/drivers/char/rio/rioparam.c b/drivers/char/rio/rioparam.c index 1066d97..bb498d2 100644 --- a/drivers/char/rio/rioparam.c +++ b/drivers/char/rio/rioparam.c @@ -87,8 +87,8 @@ static char *_rioparam_c_sccs_ = "@(#)rioparam.c 1.3"; ** command bit set onto the port. The command bit is in the len field, ** and gets ORed in with the actual byte count. ** -** When you send a packet with the command bit set, then the first -** data byte ( data[0] ) is interpretted as the command to execute. +** When you send a packet with the command bit set the first +** data byte (data[0]) is interpreted as the command to execute. ** It also governs what data structure overlay should accompany the packet. ** Commands are defined in cirrus/cirrus.h ** @@ -103,7 +103,7 @@ static char *_rioparam_c_sccs_ = "@(#)rioparam.c 1.3"; ** ** Most commands do not use the remaining bytes in the data array. The ** exceptions are OPEN MOPEN and CONFIG. (NB. As with the SI CONFIG and -** OPEN are currently analagous). With these three commands the following +** OPEN are currently analogous). With these three commands the following ** 11 data bytes are all used to pass config information such as baud rate etc. ** The fields are also defined in cirrus.h. Some contain straightforward ** information such as the transmit XON character. Two contain the transmit and diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index 6ad2d3b..6e1329d 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -1130,7 +1130,7 @@ struct tpm_chip *tpm_register_hardware(struct device *dev, const struct tpm_vend scnprintf(devname, DEVNAME_SIZE, "%s%d", "tpm", chip->dev_num); chip->vendor.miscdev.name = devname; - chip->vendor.miscdev.dev = dev; + chip->vendor.miscdev.parent = dev; chip->dev = get_device(dev); if (misc_register(&chip->vendor.miscdev)) { diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index e90ea39..50dc492 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -3612,7 +3612,8 @@ static struct class *tty_class; * This field is optional, if there is no known struct device * for this tty device it can be set to NULL safely. * - * Returns a pointer to the class device (or ERR_PTR(-EFOO) on error). + * Returns a pointer to the struct device for this tty device + * (or ERR_PTR(-EFOO) on error). * * This call is required to be made to register an individual tty device * if the tty driver's flags have the TTY_DRIVER_DYNAMIC_DEV bit set. If @@ -3622,8 +3623,8 @@ static struct class *tty_class; * Locking: ?? */ -struct class_device *tty_register_device(struct tty_driver *driver, - unsigned index, struct device *device) +struct device *tty_register_device(struct tty_driver *driver, unsigned index, + struct device *device) { char name[64]; dev_t dev = MKDEV(driver->major, driver->minor_start) + index; @@ -3639,7 +3640,7 @@ struct class_device *tty_register_device(struct tty_driver *driver, else tty_line_name(driver, index, name); - return class_device_create(tty_class, NULL, dev, device, "%s", name); + return device_create(tty_class, device, dev, name); } /** @@ -3655,7 +3656,7 @@ struct class_device *tty_register_device(struct tty_driver *driver, void tty_unregister_device(struct tty_driver *driver, unsigned index) { - class_device_destroy(tty_class, MKDEV(driver->major, driver->minor_start) + index); + device_destroy(tty_class, MKDEV(driver->major, driver->minor_start) + index); } EXPORT_SYMBOL(tty_register_device); @@ -3895,20 +3896,20 @@ static int __init tty_init(void) if (cdev_add(&tty_cdev, MKDEV(TTYAUX_MAJOR, 0), 1) || register_chrdev_region(MKDEV(TTYAUX_MAJOR, 0), 1, "/dev/tty") < 0) panic("Couldn't register /dev/tty driver\n"); - class_device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 0), NULL, "tty"); + device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 0), "tty"); cdev_init(&console_cdev, &console_fops); if (cdev_add(&console_cdev, MKDEV(TTYAUX_MAJOR, 1), 1) || register_chrdev_region(MKDEV(TTYAUX_MAJOR, 1), 1, "/dev/console") < 0) panic("Couldn't register /dev/console driver\n"); - class_device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 1), NULL, "console"); + device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 1), "console"); #ifdef CONFIG_UNIX98_PTYS cdev_init(&ptmx_cdev, &ptmx_fops); if (cdev_add(&ptmx_cdev, MKDEV(TTYAUX_MAJOR, 2), 1) || register_chrdev_region(MKDEV(TTYAUX_MAJOR, 2), 1, "/dev/ptmx") < 0) panic("Couldn't register /dev/ptmx driver\n"); - class_device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 2), NULL, "ptmx"); + device_create(tty_class, NULL, MKDEV(TTYAUX_MAJOR, 2), "ptmx"); #endif #ifdef CONFIG_VT @@ -3916,7 +3917,7 @@ static int __init tty_init(void) if (cdev_add(&vc0_cdev, MKDEV(TTY_MAJOR, 0), 1) || register_chrdev_region(MKDEV(TTY_MAJOR, 0), 1, "/dev/vc/0") < 0) panic("Couldn't register /dev/tty0 driver\n"); - class_device_create(tty_class, NULL, MKDEV(TTY_MAJOR, 0), NULL, "tty0"); + device_create(tty_class, NULL, MKDEV(TTY_MAJOR, 0), "tty0"); vty_init(); #endif diff --git a/drivers/char/vc_screen.c b/drivers/char/vc_screen.c index bd7a98c..f442b57 100644 --- a/drivers/char/vc_screen.c +++ b/drivers/char/vc_screen.c @@ -476,16 +476,16 @@ static struct class *vc_class; void vcs_make_sysfs(struct tty_struct *tty) { - class_device_create(vc_class, NULL, MKDEV(VCS_MAJOR, tty->index + 1), - NULL, "vcs%u", tty->index + 1); - class_device_create(vc_class, NULL, MKDEV(VCS_MAJOR, tty->index + 129), - NULL, "vcsa%u", tty->index + 1); + device_create(vc_class, NULL, MKDEV(VCS_MAJOR, tty->index + 1), + "vcs%u", tty->index + 1); + device_create(vc_class, NULL, MKDEV(VCS_MAJOR, tty->index + 129), + "vcsa%u", tty->index + 1); } void vcs_remove_sysfs(struct tty_struct *tty) { - class_device_destroy(vc_class, MKDEV(VCS_MAJOR, tty->index + 1)); - class_device_destroy(vc_class, MKDEV(VCS_MAJOR, tty->index + 129)); + device_destroy(vc_class, MKDEV(VCS_MAJOR, tty->index + 1)); + device_destroy(vc_class, MKDEV(VCS_MAJOR, tty->index + 129)); } int __init vcs_init(void) @@ -494,7 +494,7 @@ int __init vcs_init(void) panic("unable to get major %d for vcs device", VCS_MAJOR); vc_class = class_create(THIS_MODULE, "vc"); - class_device_create(vc_class, NULL, MKDEV(VCS_MAJOR, 0), NULL, "vcs"); - class_device_create(vc_class, NULL, MKDEV(VCS_MAJOR, 128), NULL, "vcsa"); + device_create(vc_class, NULL, MKDEV(VCS_MAJOR, 0), "vcs"); + device_create(vc_class, NULL, MKDEV(VCS_MAJOR, 128), "vcsa"); return 0; } diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 8e4413f..87587b4 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -112,7 +112,7 @@ struct con_driver { const struct consw *con; const char *desc; - struct class_device *class_dev; + struct device *dev; int node; int first; int last; @@ -3023,10 +3023,10 @@ static inline int vt_unbind(struct con_driver *con) } #endif /* CONFIG_VT_HW_CONSOLE_BINDING */ -static ssize_t store_bind(struct class_device *class_device, +static ssize_t store_bind(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct con_driver *con = class_get_devdata(class_device); + struct con_driver *con = dev_get_drvdata(dev); int bind = simple_strtoul(buf, NULL, 0); if (bind) @@ -3037,17 +3037,19 @@ static ssize_t store_bind(struct class_device *class_device, return count; } -static ssize_t show_bind(struct class_device *class_device, char *buf) +static ssize_t show_bind(struct device *dev, struct device_attribute *attr, + char *buf) { - struct con_driver *con = class_get_devdata(class_device); + struct con_driver *con = dev_get_drvdata(dev); int bind = con_is_bound(con->con); return snprintf(buf, PAGE_SIZE, "%i\n", bind); } -static ssize_t show_name(struct class_device *class_device, char *buf) +static ssize_t show_name(struct device *dev, struct device_attribute *attr, + char *buf) { - struct con_driver *con = class_get_devdata(class_device); + struct con_driver *con = dev_get_drvdata(dev); return snprintf(buf, PAGE_SIZE, "%s %s\n", (con->flag & CON_DRIVER_FLAG_MODULE) ? "(M)" : "(S)", @@ -3055,43 +3057,40 @@ static ssize_t show_name(struct class_device *class_device, char *buf) } -static struct class_device_attribute class_device_attrs[] = { +static struct device_attribute device_attrs[] = { __ATTR(bind, S_IRUGO|S_IWUSR, show_bind, store_bind), __ATTR(name, S_IRUGO, show_name, NULL), }; -static int vtconsole_init_class_device(struct con_driver *con) +static int vtconsole_init_device(struct con_driver *con) { int i; int error = 0; con->flag |= CON_DRIVER_FLAG_ATTR; - class_set_devdata(con->class_dev, con); - for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++) { - error = class_device_create_file(con->class_dev, - &class_device_attrs[i]); + dev_set_drvdata(con->dev, con); + for (i = 0; i < ARRAY_SIZE(device_attrs); i++) { + error = device_create_file(con->dev, &device_attrs[i]); if (error) break; } if (error) { while (--i >= 0) - class_device_remove_file(con->class_dev, - &class_device_attrs[i]); + device_remove_file(con->dev, &device_attrs[i]); con->flag &= ~CON_DRIVER_FLAG_ATTR; } return error; } -static void vtconsole_deinit_class_device(struct con_driver *con) +static void vtconsole_deinit_device(struct con_driver *con) { int i; if (con->flag & CON_DRIVER_FLAG_ATTR) { - for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++) - class_device_remove_file(con->class_dev, - &class_device_attrs[i]); + for (i = 0; i < ARRAY_SIZE(device_attrs); i++) + device_remove_file(con->dev, &device_attrs[i]); con->flag &= ~CON_DRIVER_FLAG_ATTR; } } @@ -3179,18 +3178,17 @@ int register_con_driver(const struct consw *csw, int first, int last) if (retval) goto err; - con_driver->class_dev = class_device_create(vtconsole_class, NULL, - MKDEV(0, con_driver->node), - NULL, "vtcon%i", - con_driver->node); + con_driver->dev = device_create(vtconsole_class, NULL, + MKDEV(0, con_driver->node), + "vtcon%i", con_driver->node); - if (IS_ERR(con_driver->class_dev)) { - printk(KERN_WARNING "Unable to create class_device for %s; " + if (IS_ERR(con_driver->dev)) { + printk(KERN_WARNING "Unable to create device for %s; " "errno = %ld\n", con_driver->desc, - PTR_ERR(con_driver->class_dev)); - con_driver->class_dev = NULL; + PTR_ERR(con_driver->dev)); + con_driver->dev = NULL; } else { - vtconsole_init_class_device(con_driver); + vtconsole_init_device(con_driver); } err: @@ -3226,12 +3224,12 @@ int unregister_con_driver(const struct consw *csw) if (con_driver->con == csw && con_driver->flag & CON_DRIVER_FLAG_MODULE) { - vtconsole_deinit_class_device(con_driver); - class_device_destroy(vtconsole_class, - MKDEV(0, con_driver->node)); + vtconsole_deinit_device(con_driver); + device_destroy(vtconsole_class, + MKDEV(0, con_driver->node)); con_driver->con = NULL; con_driver->desc = NULL; - con_driver->class_dev = NULL; + con_driver->dev = NULL; con_driver->node = 0; con_driver->flag = 0; con_driver->first = 0; @@ -3289,19 +3287,18 @@ static int __init vtconsole_class_init(void) for (i = 0; i < MAX_NR_CON_DRIVER; i++) { struct con_driver *con = ®istered_con_driver[i]; - if (con->con && !con->class_dev) { - con->class_dev = - class_device_create(vtconsole_class, NULL, - MKDEV(0, con->node), NULL, - "vtcon%i", con->node); + if (con->con && !con->dev) { + con->dev = device_create(vtconsole_class, NULL, + MKDEV(0, con->node), + "vtcon%i", con->node); - if (IS_ERR(con->class_dev)) { + if (IS_ERR(con->dev)) { printk(KERN_WARNING "Unable to create " - "class_device for %s; errno = %ld\n", - con->desc, PTR_ERR(con->class_dev)); - con->class_dev = NULL; + "device for %s; errno = %ld\n", + con->desc, PTR_ERR(con->dev)); + con->dev = NULL; } else { - vtconsole_init_class_device(con); + vtconsole_init_device(con); } } } diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 510816c..04bee52 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -125,6 +125,7 @@ config I2C_I801 ICH7 ESB2 ICH8 + ICH9 This driver can also be built as a module. If so, the module will be called i2c-i801. diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index bbb2fbe..c7be2fd 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -33,6 +33,7 @@ ICH7 27DA ESB2 269B ICH8 283E + ICH9 2930 This driver supports several versions of Intel's I/O Controller Hubs (ICH). For SMBus support, they are similar to the PIIX4 and are part of Intel's '810' and other chipsets. @@ -457,6 +458,7 @@ static struct pci_device_id i801_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_17) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB2_17) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_5) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9_6) }, { 0, } }; diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c index 3f86903..94a4e9a 100644 --- a/drivers/i2c/i2c-dev.c +++ b/drivers/i2c/i2c-dev.c @@ -42,7 +42,7 @@ static struct i2c_driver i2cdev_driver; struct i2c_dev { struct list_head list; struct i2c_adapter *adap; - struct class_device *class_dev; + struct device *dev; }; #define I2C_MINORS 256 @@ -92,15 +92,16 @@ static void return_i2c_dev(struct i2c_dev *i2c_dev) spin_unlock(&i2c_dev_list_lock); } -static ssize_t show_adapter_name(struct class_device *class_dev, char *buf) +static ssize_t show_adapter_name(struct device *dev, + struct device_attribute *attr, char *buf) { - struct i2c_dev *i2c_dev = i2c_dev_get_by_minor(MINOR(class_dev->devt)); + struct i2c_dev *i2c_dev = i2c_dev_get_by_minor(MINOR(dev->devt)); if (!i2c_dev) return -ENODEV; return sprintf(buf, "%s\n", i2c_dev->adap->name); } -static CLASS_DEVICE_ATTR(name, S_IRUGO, show_adapter_name, NULL); +static DEVICE_ATTR(name, S_IRUGO, show_adapter_name, NULL); static ssize_t i2cdev_read (struct file *file, char __user *buf, size_t count, loff_t *offset) @@ -413,15 +414,14 @@ static int i2cdev_attach_adapter(struct i2c_adapter *adap) return PTR_ERR(i2c_dev); /* register this i2c device with the driver core */ - i2c_dev->class_dev = class_device_create(i2c_dev_class, NULL, - MKDEV(I2C_MAJOR, adap->nr), - &adap->dev, "i2c-%d", - adap->nr); - if (!i2c_dev->class_dev) { + i2c_dev->dev = device_create(i2c_dev_class, &adap->dev, + MKDEV(I2C_MAJOR, adap->nr), + "i2c-%d", adap->nr); + if (!i2c_dev->dev) { res = -ENODEV; goto error; } - res = class_device_create_file(i2c_dev->class_dev, &class_device_attr_name); + res = device_create_file(i2c_dev->dev, &dev_attr_name); if (res) goto error_destroy; @@ -429,7 +429,7 @@ static int i2cdev_attach_adapter(struct i2c_adapter *adap) adap->name, adap->nr); return 0; error_destroy: - class_device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, adap->nr)); + device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, adap->nr)); error: return_i2c_dev(i2c_dev); kfree(i2c_dev); @@ -444,9 +444,9 @@ static int i2cdev_detach_adapter(struct i2c_adapter *adap) if (!i2c_dev) /* attach_adapter must have failed */ return 0; - class_device_remove_file(i2c_dev->class_dev, &class_device_attr_name); + device_remove_file(i2c_dev->dev, &dev_attr_name); return_i2c_dev(i2c_dev); - class_device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, adap->nr)); + device_destroy(i2c_dev_class, MKDEV(I2C_MAJOR, adap->nr)); kfree(i2c_dev); pr_debug("i2c-dev: adapter [%s] unregistered\n", adap->name); diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 8ccee9c..e3a2676 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -1635,7 +1635,7 @@ static int idefloppy_begin_format(ide_drive_t *drive, int __user *arg) /* ** Get ATAPI_FORMAT_UNIT progress indication. ** -** Userland gives a pointer to an int. The int is set to a progresss +** Userland gives a pointer to an int. The int is set to a progress ** indicator 0-65536, with 65536=100%. ** ** If the drive does not support format progress indication, we just check diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c index ba2a203..7c8d039 100644 --- a/drivers/input/serio/serio_raw.c +++ b/drivers/input/serio/serio_raw.c @@ -297,7 +297,7 @@ static int serio_raw_connect(struct serio *serio, struct serio_driver *drv) serio_raw->dev.minor = PSMOUSE_MINOR; serio_raw->dev.name = serio_raw->name; - serio_raw->dev.dev = &serio->dev; + serio_raw->dev.parent = &serio->dev; serio_raw->dev.fops = &serio_raw_fops; err = misc_register(&serio_raw->dev); diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c index 5800bee..defd5743 100644 --- a/drivers/isdn/gigaset/common.c +++ b/drivers/isdn/gigaset/common.c @@ -702,7 +702,7 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels, cs->open_count = 0; cs->dev = NULL; cs->tty = NULL; - cs->class = NULL; + cs->tty_dev = NULL; cs->cidmode = cidmode != 0; //if(onechannel) { //FIXME diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h index 884bd72..06298cc 100644 --- a/drivers/isdn/gigaset/gigaset.h +++ b/drivers/isdn/gigaset/gigaset.h @@ -444,7 +444,7 @@ struct cardstate { struct gigaset_driver *driver; unsigned minor_index; struct device *dev; - struct class_device *class; + struct device *tty_dev; const struct gigaset_ops *ops; diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c index 596f3ae..7edea01 100644 --- a/drivers/isdn/gigaset/interface.c +++ b/drivers/isdn/gigaset/interface.c @@ -625,13 +625,13 @@ void gigaset_if_init(struct cardstate *cs) return; tasklet_init(&cs->if_wake_tasklet, &if_wake, (unsigned long) cs); - cs->class = tty_register_device(drv->tty, cs->minor_index, NULL); + cs->tty_dev = tty_register_device(drv->tty, cs->minor_index, NULL); - if (!IS_ERR(cs->class)) - class_set_devdata(cs->class, cs); + if (!IS_ERR(cs->tty_dev)) + dev_set_drvdata(cs->tty_dev, cs); else { warn("could not register device to the tty subsystem"); - cs->class = NULL; + cs->tty_dev = NULL; } } @@ -645,7 +645,7 @@ void gigaset_if_free(struct cardstate *cs) tasklet_disable(&cs->if_wake_tasklet); tasklet_kill(&cs->if_wake_tasklet); - cs->class = NULL; + cs->tty_dev = NULL; tty_unregister_device(drv->tty, cs->minor_index); } diff --git a/drivers/isdn/gigaset/proc.c b/drivers/isdn/gigaset/proc.c index 9ad840e..e767afa 100644 --- a/drivers/isdn/gigaset/proc.c +++ b/drivers/isdn/gigaset/proc.c @@ -16,11 +16,12 @@ #include "gigaset.h" #include <linux/ctype.h> -static ssize_t show_cidmode(struct class_device *class, char *buf) +static ssize_t show_cidmode(struct device *dev, + struct device_attribute *attr, char *buf) { int ret; unsigned long flags; - struct cardstate *cs = class_get_devdata(class); + struct cardstate *cs = dev_get_drvdata(dev); spin_lock_irqsave(&cs->lock, flags); ret = sprintf(buf, "%u\n", cs->cidmode); @@ -29,10 +30,10 @@ static ssize_t show_cidmode(struct class_device *class, char *buf) return ret; } -static ssize_t set_cidmode(struct class_device *class, +static ssize_t set_cidmode(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct cardstate *cs = class_get_devdata(class); + struct cardstate *cs = dev_get_drvdata(dev); long int value; char *end; @@ -64,25 +65,25 @@ static ssize_t set_cidmode(struct class_device *class, return count; } -static CLASS_DEVICE_ATTR(cidmode, S_IRUGO|S_IWUSR, show_cidmode, set_cidmode); +static DEVICE_ATTR(cidmode, S_IRUGO|S_IWUSR, show_cidmode, set_cidmode); /* free sysfs for device */ void gigaset_free_dev_sysfs(struct cardstate *cs) { - if (!cs->class) + if (!cs->tty_dev) return; gig_dbg(DEBUG_INIT, "removing sysfs entries"); - class_device_remove_file(cs->class, &class_device_attr_cidmode); + device_remove_file(cs->tty_dev, &dev_attr_cidmode); } /* initialize sysfs for device */ void gigaset_init_dev_sysfs(struct cardstate *cs) { - if (!cs->class) + if (!cs->tty_dev) return; gig_dbg(DEBUG_INIT, "setting up sysfs"); - if (class_device_create_file(cs->class, &class_device_attr_cidmode)) + if (device_create_file(cs->tty_dev, &dev_attr_cidmode)) dev_err(cs->dev, "could not create sysfs attribute\n"); } diff --git a/drivers/isdn/hardware/eicon/os_4bri.c b/drivers/isdn/hardware/eicon/os_4bri.c index 11e6f93..7b4ec3f 100644 --- a/drivers/isdn/hardware/eicon/os_4bri.c +++ b/drivers/isdn/hardware/eicon/os_4bri.c @@ -464,7 +464,7 @@ int diva_4bri_init_card(diva_os_xdi_adapter_t * a) /* ** Cleanup function will be called for master adapter only -** this is garanteed by design: cleanup callback is set +** this is guaranteed by design: cleanup callback is set ** by master adapter only */ static int diva_4bri_cleanup_adapter(diva_os_xdi_adapter_t * a) diff --git a/drivers/isdn/hisax/hfc4s8s_l1.h b/drivers/isdn/hisax/hfc4s8s_l1.h index e8f9c07..9d5d2a5 100644 --- a/drivers/isdn/hisax/hfc4s8s_l1.h +++ b/drivers/isdn/hisax/hfc4s8s_l1.h @@ -16,7 +16,7 @@ /* * include Genero generated HFC-4S/8S header file hfc48scu.h -* for comlete register description. This will define _HFC48SCU_H_ +* for complete register description. This will define _HFC48SCU_H_ * to prevent redefinitions */ diff --git a/drivers/isdn/hisax/isdnl2.c b/drivers/isdn/hisax/isdnl2.c index 6d04317..cd3b5ad 100644 --- a/drivers/isdn/hisax/isdnl2.c +++ b/drivers/isdn/hisax/isdnl2.c @@ -1442,7 +1442,7 @@ l2_tei_remove(struct FsmInst *fi, int event, void *arg) } static void -l2_st14_persistant_da(struct FsmInst *fi, int event, void *arg) +l2_st14_persistent_da(struct FsmInst *fi, int event, void *arg) { struct PStack *st = fi->userdata; @@ -1453,7 +1453,7 @@ l2_st14_persistant_da(struct FsmInst *fi, int event, void *arg) } static void -l2_st5_persistant_da(struct FsmInst *fi, int event, void *arg) +l2_st5_persistent_da(struct FsmInst *fi, int event, void *arg) { struct PStack *st = fi->userdata; @@ -1466,7 +1466,7 @@ l2_st5_persistant_da(struct FsmInst *fi, int event, void *arg) } static void -l2_st6_persistant_da(struct FsmInst *fi, int event, void *arg) +l2_st6_persistent_da(struct FsmInst *fi, int event, void *arg) { struct PStack *st = fi->userdata; @@ -1477,7 +1477,7 @@ l2_st6_persistant_da(struct FsmInst *fi, int event, void *arg) } static void -l2_persistant_da(struct FsmInst *fi, int event, void *arg) +l2_persistent_da(struct FsmInst *fi, int event, void *arg) { struct PStack *st = fi->userdata; @@ -1612,14 +1612,14 @@ static struct FsmNode L2FnList[] __initdata = {ST_L2_6, EV_L2_FRAME_ERROR, l2_frame_error}, {ST_L2_7, EV_L2_FRAME_ERROR, l2_frame_error_reest}, {ST_L2_8, EV_L2_FRAME_ERROR, l2_frame_error_reest}, - {ST_L2_1, EV_L1_DEACTIVATE, l2_st14_persistant_da}, + {ST_L2_1, EV_L1_DEACTIVATE, l2_st14_persistent_da}, {ST_L2_2, EV_L1_DEACTIVATE, l2_st24_tei_remove}, {ST_L2_3, EV_L1_DEACTIVATE, l2_st3_tei_remove}, - {ST_L2_4, EV_L1_DEACTIVATE, l2_st14_persistant_da}, - {ST_L2_5, EV_L1_DEACTIVATE, l2_st5_persistant_da}, - {ST_L2_6, EV_L1_DEACTIVATE, l2_st6_persistant_da}, - {ST_L2_7, EV_L1_DEACTIVATE, l2_persistant_da}, - {ST_L2_8, EV_L1_DEACTIVATE, l2_persistant_da}, + {ST_L2_4, EV_L1_DEACTIVATE, l2_st14_persistent_da}, + {ST_L2_5, EV_L1_DEACTIVATE, l2_st5_persistent_da}, + {ST_L2_6, EV_L1_DEACTIVATE, l2_st6_persistent_da}, + {ST_L2_7, EV_L1_DEACTIVATE, l2_persistent_da}, + {ST_L2_8, EV_L1_DEACTIVATE, l2_persistent_da}, }; #define L2_FN_COUNT (sizeof(L2FnList)/sizeof(struct FsmNode)) diff --git a/drivers/media/dvb/ttpci/budget-patch.c b/drivers/media/dvb/ttpci/budget-patch.c index fc1267b..9a15539 100644 --- a/drivers/media/dvb/ttpci/budget-patch.c +++ b/drivers/media/dvb/ttpci/budget-patch.c @@ -500,14 +500,14 @@ static int budget_patch_attach (struct saa7146_dev* dev, struct saa7146_pci_exte /* New design (By Emard) ** this rps1 code will copy internal HS event to GPIO3 pin. -** GPIO3 is in budget-patch hardware connectd to port B VSYNC +** GPIO3 is in budget-patch hardware connected to port B VSYNC ** HS is an internal event of 7146, accessible with RPS ** and temporarily raised high every n lines ** (n in defined in the RPS_THRESH1 counter threshold) ** I think HS is raised high on the beginning of the n-th line ** and remains high until this n-th line that triggered -** it is completely received. When the receiption of n-th line +** it is completely received. When the reception of n-th line ** ends, HS is lowered. ** To transmit data over DMA, 7146 needs changing state at @@ -541,7 +541,7 @@ static int budget_patch_attach (struct saa7146_dev* dev, struct saa7146_pci_exte ** hardware debug note: a working budget card (including budget patch) ** with vpeirq() interrupt setup in mode "0x90" (every 64K) will ** generate 3 interrupts per 25-Hz DMA frame of 2*188*512 bytes -** and that means 3*25=75 Hz of interrupt freqency, as seen by +** and that means 3*25=75 Hz of interrupt frequency, as seen by ** watch cat /proc/interrupts ** ** If this frequency is 3x lower (and data received in the DMA @@ -550,7 +550,7 @@ static int budget_patch_attach (struct saa7146_dev* dev, struct saa7146_pci_exte ** this means VSYNC line is not connected in the hardware. ** (check soldering pcb and pins) ** The same behaviour of missing VSYNC can be duplicated on budget -** cards, by seting DD1_INIT trigger mode 7 in 3rd nibble. +** cards, by setting DD1_INIT trigger mode 7 in 3rd nibble. */ // Setup RPS1 "program" (p35) diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig index bf26755..b8fde5c 100644 --- a/drivers/media/video/Kconfig +++ b/drivers/media/video/Kconfig @@ -24,7 +24,7 @@ config VIDEO_HELPER_CHIPS_AUTO decode audio/video standards. This option will autoselect all pertinent modules to each selected video module. - Unselect this only if you know exaclty what you are doing, since + Unselect this only if you know exactly what you are doing, since it may break support on some boards. In doubt, say Y. diff --git a/drivers/media/video/pwc/pwc-if.c b/drivers/media/video/pwc/pwc-if.c index 62070b9..a996aad 100644 --- a/drivers/media/video/pwc/pwc-if.c +++ b/drivers/media/video/pwc/pwc-if.c @@ -1093,8 +1093,7 @@ static int pwc_video_open(struct inode *inode, struct file *file) PWC_DEBUG_OPEN(">> video_open called(vdev = 0x%p).\n", vdev); pdev = (struct pwc_device *)vdev->priv; - if (pdev == NULL) - BUG(); + BUG_ON(!pdev); if (pdev->vopen) { PWC_DEBUG_OPEN("I'm busy, someone is using the device.\n"); return -EBUSY; diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c index e5c7271..051b7c5 100644 --- a/drivers/message/fusion/mptbase.c +++ b/drivers/message/fusion/mptbase.c @@ -6185,7 +6185,7 @@ mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info) "Abort", /* 12h */ "IO Not Yet Executed", /* 13h */ "IO Executed", /* 14h */ - "Persistant Reservation Out Not Affiliation Owner", /* 15h */ + "Persistent Reservation Out Not Affiliation Owner", /* 15h */ "Open Transmit DMA Abort", /* 16h */ "IO Device Missing Delay Retry", /* 17h */ NULL, /* 18h */ diff --git a/drivers/message/i2o/pci.c b/drivers/message/i2o/pci.c index 62f1ac0..8287f95 100644 --- a/drivers/message/i2o/pci.c +++ b/drivers/message/i2o/pci.c @@ -320,7 +320,6 @@ static int __devinit i2o_pci_probe(struct pci_dev *pdev, struct i2o_controller *c; int rc; struct pci_dev *i960 = NULL; - int enabled = pdev->is_enabled; printk(KERN_INFO "i2o: Checking for PCI I2O controllers...\n"); @@ -330,12 +329,11 @@ static int __devinit i2o_pci_probe(struct pci_dev *pdev, return -ENODEV; } - if (!enabled) - if ((rc = pci_enable_device(pdev))) { - printk(KERN_WARNING "i2o: couldn't enable device %s\n", - pci_name(pdev)); - return rc; - } + if ((rc = pci_enable_device(pdev))) { + printk(KERN_WARNING "i2o: couldn't enable device %s\n", + pci_name(pdev)); + return rc; + } if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) { printk(KERN_WARNING "i2o: no suitable DMA found for %s\n", @@ -442,8 +440,7 @@ static int __devinit i2o_pci_probe(struct pci_dev *pdev, i2o_iop_free(c); disable: - if (!enabled) - pci_disable_device(pdev); + pci_disable_device(pdev); return rc; } diff --git a/drivers/mmc/mmc_queue.c b/drivers/mmc/mmc_queue.c index 4ccdd82..61a1de8 100644 --- a/drivers/mmc/mmc_queue.c +++ b/drivers/mmc/mmc_queue.c @@ -130,8 +130,8 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock u64 limit = BLK_BOUNCE_HIGH; int ret; - if (host->dev->dma_mask && *host->dev->dma_mask) - limit = *host->dev->dma_mask; + if (mmc_dev(host)->dma_mask && *mmc_dev(host)->dma_mask) + limit = *mmc_dev(host)->dma_mask; mq->card = card; mq->queue = blk_init_queue(mmc_request, lock); diff --git a/drivers/mmc/mmc_sysfs.c b/drivers/mmc/mmc_sysfs.c index 10cc973..ac53296 100644 --- a/drivers/mmc/mmc_sysfs.c +++ b/drivers/mmc/mmc_sysfs.c @@ -199,7 +199,7 @@ void mmc_init_card(struct mmc_card *card, struct mmc_host *host) memset(card, 0, sizeof(struct mmc_card)); card->host = host; device_initialize(&card->dev); - card->dev.parent = card->host->dev; + card->dev.parent = mmc_dev(host); card->dev.bus = &mmc_bus_type; card->dev.release = mmc_release_card; } @@ -242,7 +242,7 @@ void mmc_remove_card(struct mmc_card *card) } -static void mmc_host_classdev_release(struct class_device *dev) +static void mmc_host_classdev_release(struct device *dev) { struct mmc_host *host = cls_dev_to_mmc_host(dev); kfree(host); @@ -250,7 +250,7 @@ static void mmc_host_classdev_release(struct class_device *dev) static struct class mmc_host_class = { .name = "mmc_host", - .release = mmc_host_classdev_release, + .dev_release = mmc_host_classdev_release, }; static DEFINE_IDR(mmc_host_idr); @@ -267,10 +267,10 @@ struct mmc_host *mmc_alloc_host_sysfs(int extra, struct device *dev) if (host) { memset(host, 0, sizeof(struct mmc_host) + extra); - host->dev = dev; - host->class_dev.dev = host->dev; + host->parent = dev; + host->class_dev.parent = dev; host->class_dev.class = &mmc_host_class; - class_device_initialize(&host->class_dev); + device_initialize(&host->class_dev); } return host; @@ -292,10 +292,10 @@ int mmc_add_host_sysfs(struct mmc_host *host) if (err) return err; - snprintf(host->class_dev.class_id, BUS_ID_SIZE, + snprintf(host->class_dev.bus_id, BUS_ID_SIZE, "mmc%d", host->index); - return class_device_add(&host->class_dev); + return device_add(&host->class_dev); } /* @@ -303,7 +303,7 @@ int mmc_add_host_sysfs(struct mmc_host *host) */ void mmc_remove_host_sysfs(struct mmc_host *host) { - class_device_del(&host->class_dev); + device_del(&host->class_dev); spin_lock(&mmc_host_lock); idr_remove(&mmc_host_idr, host->index); @@ -315,7 +315,7 @@ void mmc_remove_host_sysfs(struct mmc_host *host) */ void mmc_free_host_sysfs(struct mmc_host *host) { - class_device_put(&host->class_dev); + put_device(&host->class_dev); } static struct workqueue_struct *workqueue; diff --git a/drivers/mmc/omap.c b/drivers/mmc/omap.c index 762fa28..d593ef3 100644 --- a/drivers/mmc/omap.c +++ b/drivers/mmc/omap.c @@ -640,8 +640,7 @@ mmc_omap_prepare_dma(struct mmc_omap_host *host, struct mmc_data *data) } /* Max limit for DMA frame count is 0xffff */ - if (unlikely(count > 0xffff)) - BUG(); + BUG_ON(count > 0xffff); OMAP_MMC_WRITE(host->base, BUF, buf); omap_set_dma_transfer_params(dma_ch, OMAP_DMA_DATA_TYPE_S16, diff --git a/drivers/mmc/wbsd.c b/drivers/mmc/wbsd.c index ced309b..682e62b 100644 --- a/drivers/mmc/wbsd.c +++ b/drivers/mmc/wbsd.c @@ -1488,7 +1488,7 @@ static void __devinit wbsd_request_dma(struct wbsd_host *host, int dma) /* * Translate the address to a physical address. */ - host->dma_addr = dma_map_single(host->mmc->dev, host->dma_buffer, + host->dma_addr = dma_map_single(mmc_dev(host->mmc), host->dma_buffer, WBSD_DMA_SIZE, DMA_BIDIRECTIONAL); /* @@ -1512,7 +1512,7 @@ kfree: */ BUG_ON(1); - dma_unmap_single(host->mmc->dev, host->dma_addr, + dma_unmap_single(mmc_dev(host->mmc), host->dma_addr, WBSD_DMA_SIZE, DMA_BIDIRECTIONAL); host->dma_addr = (dma_addr_t)NULL; @@ -1530,7 +1530,7 @@ err: static void __devexit wbsd_release_dma(struct wbsd_host *host) { if (host->dma_addr) { - dma_unmap_single(host->mmc->dev, host->dma_addr, + dma_unmap_single(mmc_dev(host->mmc), host->dma_addr, WBSD_DMA_SIZE, DMA_BIDIRECTIONAL); } kfree(host->dma_buffer); diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index 24747bd..d132ed5 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig @@ -607,7 +607,7 @@ config MTD_BAST_MAXSIZE default "4" config MTD_SHARP_SL - bool "ROM maped on Sharp SL Series" + bool "ROM mapped on Sharp SL Series" depends on MTD && ARCH_PXA help This enables access to the flash chip on the Sharp SL Series of PDAs. diff --git a/drivers/mtd/maps/cfi_flagadm.c b/drivers/mtd/maps/cfi_flagadm.c index 92b5d88..65e5ee5 100644 --- a/drivers/mtd/maps/cfi_flagadm.c +++ b/drivers/mtd/maps/cfi_flagadm.c @@ -80,7 +80,7 @@ struct mtd_partition flagadm_parts[] = { .size = FLASH_PARTITION2_SIZE }, { - .name = "Persistant storage", + .name = "Persistent storage", .offset = FLASH_PARTITION3_ADDR, .size = FLASH_PARTITION3_SIZE } diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 6e863aa..b6c70c5 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -32,7 +32,7 @@ config IFB tristate "Intermediate Functional Block support" depends on NET_CLS_ACT ---help--- - This is an intermidiate driver that allows sharing of + This is an intermediate driver that allows sharing of resources. To compile this driver as a module, choose M here: the module will be called ifb. If you want to use more than one ifb @@ -2136,7 +2136,7 @@ config SK98LIN This driver supports the original Yukon chipset. A cleaner driver is also available (skge) which seems to work better than this one. - This driver does not support the newer Yukon2 chipset. A seperate + This driver does not support the newer Yukon2 chipset. A separate driver, sky2, is provided to support Yukon2-based adapters. The following adapters are supported by this driver: diff --git a/drivers/net/e100.c b/drivers/net/e100.c index 19ab344..3a8df47 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -1215,7 +1215,7 @@ static void e100_setup_ucode(struct nic *nic, struct cb *cb, struct sk_buff *skb * the literal in the instruction before the code is loaded, the * driver can change the algorithm. * -* INTDELAY - This loads the dead-man timer with its inital value. +* INTDELAY - This loads the dead-man timer with its initial value. * When this timer expires the interrupt is asserted, and the * timer is reset each time a new packet is received. (see * BUNDLEMAX below to set the limit on number of chained packets) diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c index 65077f3..796c4f7d 100644 --- a/drivers/net/e1000/e1000_hw.c +++ b/drivers/net/e1000/e1000_hw.c @@ -3868,7 +3868,7 @@ e1000_phy_hw_reset(struct e1000_hw *hw) * * hw - Struct containing variables accessed by shared code * -* Sets bit 15 of the MII Control regiser +* Sets bit 15 of the MII Control register ******************************************************************************/ int32_t e1000_phy_reset(struct e1000_hw *hw) diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index b79ec0d..ecb61f8 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -61,8 +61,8 @@ config FIXED_PHY depends on PHYLIB ---help--- Adds the driver to PHY layer to cover the boards that do not have any PHY bound, - but with the ability to manipulate with speed/link in software. The relavant MII - speed/duplex parameters could be effectively handled in user-specified fuction. + but with the ability to manipulate the speed/link in software. The relevant MII + speed/duplex parameters could be effectively handled in a user-specified function. Currently tested with mpc866ads. config FIXED_MII_10_FDX diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c index f5802e7..c6de566 100644 --- a/drivers/net/ppp_generic.c +++ b/drivers/net/ppp_generic.c @@ -860,7 +860,7 @@ static int __init ppp_init(void) err = PTR_ERR(ppp_class); goto out_chrdev; } - class_device_create(ppp_class, NULL, MKDEV(PPP_MAJOR, 0), NULL, "ppp"); + device_create(ppp_class, NULL, MKDEV(PPP_MAJOR, 0), "ppp"); } out: @@ -2675,7 +2675,7 @@ static void __exit ppp_cleanup(void) cardmap_destroy(&all_ppp_units); if (unregister_chrdev(PPP_MAJOR, "ppp") != 0) printk(KERN_ERR "PPP: failed to unregister PPP device\n"); - class_device_destroy(ppp_class, MKDEV(PPP_MAJOR, 0)); + device_destroy(ppp_class, MKDEV(PPP_MAJOR, 0)); class_destroy(ppp_class); } diff --git a/drivers/net/sk98lin/h/skdrv2nd.h b/drivers/net/sk98lin/h/skdrv2nd.h index 778d9e6..3fa6717 100644 --- a/drivers/net/sk98lin/h/skdrv2nd.h +++ b/drivers/net/sk98lin/h/skdrv2nd.h @@ -160,7 +160,7 @@ struct s_IOCTL { /* ** Interim definition of SK_DRV_TIMER placed in this file until -** common modules have boon finallized +** common modules have been finalized */ #define SK_DRV_TIMER 11 #define SK_DRV_MODERATION_TIMER 1 diff --git a/drivers/net/sk98lin/skdim.c b/drivers/net/sk98lin/skdim.c index 07c1b4c..37ce03f 100644 --- a/drivers/net/sk98lin/skdim.c +++ b/drivers/net/sk98lin/skdim.c @@ -252,7 +252,7 @@ SkDimEnableModerationIfNeeded(SK_AC *pAC) { /******************************************************************************* ** Function : SkDimDisplayModerationSettings -** Description : Displays the current settings regaring interrupt moderation +** Description : Displays the current settings regarding interrupt moderation ** Programmer : Ralph Roesler ** Last Modified: 22-mar-03 ** Returns : void (!) @@ -510,7 +510,7 @@ EnableIntMod(SK_AC *pAC) { /******************************************************************************* ** Function : DisableIntMod() -** Description : Disbles the interrupt moderation independent of what inter- +** Description : Disables the interrupt moderation independent of what inter- ** rupts are running or not ** Programmer : Ralph Roesler ** Last Modified: 23-mar-03 diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index 1f74281..72120d5 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -6920,8 +6920,8 @@ static int ipw_qos_association(struct ipw_priv *priv, } /* -* handling the beaconing responces. if we get different QoS setting -* of the network from the the associated setting adjust the QoS +* handling the beaconing responses. if we get different QoS setting +* off the network from the associated setting, adjust the QoS * setting */ static int ipw_qos_association_resp(struct ipw_priv *priv, diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c index 68cb3a0..fe3f5f5 100644 --- a/drivers/parisc/ccio-dma.c +++ b/drivers/parisc/ccio-dma.c @@ -486,7 +486,7 @@ typedef unsigned long space_t; ** This bit tells U2 to do R/M/W for partial cachelines. "Streaming" ** data can avoid this if the mapping covers full cache lines. ** o STOP_MOST is needed for atomicity across cachelines. -** Apperently only "some EISA devices" need this. +** Apparently only "some EISA devices" need this. ** Using CONFIG_ISA is hack. Only the IOA with EISA under it needs ** to use this hint iff the EISA devices needs this feature. ** According to the U2 ERS, STOP_MOST enabled pages hurt performance. diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c index c2949b4..12bab64 100644 --- a/drivers/parisc/iosapic.c +++ b/drivers/parisc/iosapic.c @@ -50,12 +50,12 @@ ** ** PA Firmware ** ----------- -** PA-RISC platforms have two fundementally different types of firmware. +** PA-RISC platforms have two fundamentally different types of firmware. ** For PCI devices, "Legacy" PDC initializes the "INTERRUPT_LINE" register ** and BARs similar to a traditional PC BIOS. ** The newer "PAT" firmware supports PDC calls which return tables. -** PAT firmware only initializes PCI Console and Boot interface. -** With these tables, the OS can progam all other PCI devices. +** PAT firmware only initializes the PCI Console and Boot interface. +** With these tables, the OS can program all other PCI devices. ** ** One such PAT PDC call returns the "Interrupt Routing Table" (IRT). ** The IRT maps each PCI slot's INTA-D "output" line to an I/O SAPIC diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index 5f1b9f5..f1dd81a 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -19,7 +19,7 @@ config PCI_MSI config PCI_MULTITHREAD_PROBE bool "PCI Multi-threaded probe (EXPERIMENTAL)" - depends on PCI && EXPERIMENTAL && BROKEN + depends on PCI && EXPERIMENTAL help Say Y here if you want the PCI core to spawn a new thread for every PCI device that is probed. This can cause a huge @@ -27,14 +27,14 @@ config PCI_MULTITHREAD_PROBE smaller speedup on single processor machines. But it can also cause lots of bad things to happen. A number - of PCI drivers can not properly handle running in this way, + of PCI drivers cannot properly handle running in this way, some will just not work properly at all, while others might decide to blow up power supplies with a huge load all at once, so use this option at your own risk. It is very unwise to use this option if you are not using a boot process that can handle devices being created in any - order. A program that can create persistant block and network + order. A program that can create persistent block and network device names (like udev) is a good idea if you wish to use this option. diff --git a/drivers/pci/access.c b/drivers/pci/access.c index ea16805..73a58c7 100644 --- a/drivers/pci/access.c +++ b/drivers/pci/access.c @@ -1,6 +1,7 @@ #include <linux/pci.h> #include <linux/module.h> #include <linux/ioport.h> +#include <linux/wait.h> #include "pci.h" @@ -63,30 +64,42 @@ EXPORT_SYMBOL(pci_bus_write_config_byte); EXPORT_SYMBOL(pci_bus_write_config_word); EXPORT_SYMBOL(pci_bus_write_config_dword); -static u32 pci_user_cached_config(struct pci_dev *dev, int pos) -{ - u32 data; +/* + * The following routines are to prevent the user from accessing PCI config + * space when it's unsafe to do so. Some devices require this during BIST and + * we're required to prevent it during D-state transitions. + * + * We have a bit per device to indicate it's blocked and a global wait queue + * for callers to sleep on until devices are unblocked. + */ +static DECLARE_WAIT_QUEUE_HEAD(pci_ucfg_wait); - data = dev->saved_config_space[pos/sizeof(dev->saved_config_space[0])]; - data >>= (pos % sizeof(dev->saved_config_space[0])) * 8; - return data; +static noinline void pci_wait_ucfg(struct pci_dev *dev) +{ + DECLARE_WAITQUEUE(wait, current); + + __add_wait_queue(&pci_ucfg_wait, &wait); + do { + set_current_state(TASK_UNINTERRUPTIBLE); + spin_unlock_irq(&pci_lock); + schedule(); + spin_lock_irq(&pci_lock); + } while (dev->block_ucfg_access); + __remove_wait_queue(&pci_ucfg_wait, &wait); } #define PCI_USER_READ_CONFIG(size,type) \ int pci_user_read_config_##size \ (struct pci_dev *dev, int pos, type *val) \ { \ - unsigned long flags; \ int ret = 0; \ u32 data = -1; \ if (PCI_##size##_BAD) return PCIBIOS_BAD_REGISTER_NUMBER; \ - spin_lock_irqsave(&pci_lock, flags); \ - if (likely(!dev->block_ucfg_access)) \ - ret = dev->bus->ops->read(dev->bus, dev->devfn, \ + spin_lock_irq(&pci_lock); \ + if (unlikely(dev->block_ucfg_access)) pci_wait_ucfg(dev); \ + ret = dev->bus->ops->read(dev->bus, dev->devfn, \ pos, sizeof(type), &data); \ - else if (pos < sizeof(dev->saved_config_space)) \ - data = pci_user_cached_config(dev, pos); \ - spin_unlock_irqrestore(&pci_lock, flags); \ + spin_unlock_irq(&pci_lock); \ *val = (type)data; \ return ret; \ } @@ -95,14 +108,13 @@ int pci_user_read_config_##size \ int pci_user_write_config_##size \ (struct pci_dev *dev, int pos, type val) \ { \ - unsigned long flags; \ int ret = -EIO; \ if (PCI_##size##_BAD) return PCIBIOS_BAD_REGISTER_NUMBER; \ - spin_lock_irqsave(&pci_lock, flags); \ - if (likely(!dev->block_ucfg_access)) \ - ret = dev->bus->ops->write(dev->bus, dev->devfn, \ + spin_lock_irq(&pci_lock); \ + if (unlikely(dev->block_ucfg_access)) pci_wait_ucfg(dev); \ + ret = dev->bus->ops->write(dev->bus, dev->devfn, \ pos, sizeof(type), val); \ - spin_unlock_irqrestore(&pci_lock, flags); \ + spin_unlock_irq(&pci_lock); \ return ret; \ } @@ -117,21 +129,23 @@ PCI_USER_WRITE_CONFIG(dword, u32) * pci_block_user_cfg_access - Block userspace PCI config reads/writes * @dev: pci device struct * - * This function blocks any userspace PCI config accesses from occurring. - * When blocked, any writes will be bit bucketed and reads will return the - * data saved using pci_save_state for the first 64 bytes of config - * space and return 0xff for all other config reads. - **/ + * When user access is blocked, any reads or writes to config space will + * sleep until access is unblocked again. We don't allow nesting of + * block/unblock calls. + */ void pci_block_user_cfg_access(struct pci_dev *dev) { unsigned long flags; + int was_blocked; - pci_save_state(dev); - - /* spinlock to synchronize with anyone reading config space now */ spin_lock_irqsave(&pci_lock, flags); + was_blocked = dev->block_ucfg_access; dev->block_ucfg_access = 1; spin_unlock_irqrestore(&pci_lock, flags); + + /* If we BUG() inside the pci_lock, we're guaranteed to hose + * the machine */ + BUG_ON(was_blocked); } EXPORT_SYMBOL_GPL(pci_block_user_cfg_access); @@ -140,14 +154,19 @@ EXPORT_SYMBOL_GPL(pci_block_user_cfg_access); * @dev: pci device struct * * This function allows userspace PCI config accesses to resume. - **/ + */ void pci_unblock_user_cfg_access(struct pci_dev *dev) { unsigned long flags; - /* spinlock to synchronize with anyone reading saved config space */ spin_lock_irqsave(&pci_lock, flags); + + /* This indicates a problem in the caller, but we don't need + * to kill them, unlike a double-block above. */ + WARN_ON(!dev->block_ucfg_access); + dev->block_ucfg_access = 0; + wake_up_all(&pci_ucfg_wait); spin_unlock_irqrestore(&pci_lock, flags); } EXPORT_SYMBOL_GPL(pci_unblock_user_cfg_access); diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h index 59c5b24..ddbadd95 100644 --- a/drivers/pci/hotplug/acpiphp.h +++ b/drivers/pci/hotplug/acpiphp.h @@ -62,10 +62,10 @@ struct acpiphp_slot; struct slot { struct hotplug_slot *hotplug_slot; struct acpiphp_slot *acpi_slot; + struct hotplug_slot_info info; + char name[SLOT_NAME_SIZE]; }; - - /** * struct acpiphp_bridge - PCI bridge information * diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c index c57d9d5..40c79b0 100644 --- a/drivers/pci/hotplug/acpiphp_core.c +++ b/drivers/pci/hotplug/acpiphp_core.c @@ -303,25 +303,15 @@ static int __init init_acpi(void) /* read initial number of slots */ if (!retval) { num_slots = acpiphp_get_num_slots(); - if (num_slots == 0) + if (num_slots == 0) { + acpiphp_glue_exit(); retval = -ENODEV; + } } return retval; } - -/** - * make_slot_name - make a slot name that appears in pcihpfs - * @slot: slot to name - * - */ -static void make_slot_name(struct slot *slot) -{ - snprintf(slot->hotplug_slot->name, SLOT_NAME_SIZE, "%u", - slot->acpi_slot->sun); -} - /** * release_slot - free up the memory used by a slot * @hotplug_slot: slot to free @@ -332,8 +322,6 @@ static void release_slot(struct hotplug_slot *hotplug_slot) dbg("%s - physical_slot = %s\n", __FUNCTION__, hotplug_slot->name); - kfree(slot->hotplug_slot->info); - kfree(slot->hotplug_slot->name); kfree(slot->hotplug_slot); kfree(slot); } @@ -342,26 +330,19 @@ static void release_slot(struct hotplug_slot *hotplug_slot) int acpiphp_register_hotplug_slot(struct acpiphp_slot *acpiphp_slot) { struct slot *slot; - struct hotplug_slot *hotplug_slot; - struct hotplug_slot_info *hotplug_slot_info; int retval = -ENOMEM; slot = kzalloc(sizeof(*slot), GFP_KERNEL); if (!slot) goto error; - slot->hotplug_slot = kzalloc(sizeof(*hotplug_slot), GFP_KERNEL); + slot->hotplug_slot = kzalloc(sizeof(*slot->hotplug_slot), GFP_KERNEL); if (!slot->hotplug_slot) goto error_slot; - slot->hotplug_slot->info = kzalloc(sizeof(*hotplug_slot_info), - GFP_KERNEL); - if (!slot->hotplug_slot->info) - goto error_hpslot; + slot->hotplug_slot->info = &slot->info; - slot->hotplug_slot->name = kzalloc(SLOT_NAME_SIZE, GFP_KERNEL); - if (!slot->hotplug_slot->name) - goto error_info; + slot->hotplug_slot->name = slot->name; slot->hotplug_slot->private = slot; slot->hotplug_slot->release = &release_slot; @@ -376,21 +357,17 @@ int acpiphp_register_hotplug_slot(struct acpiphp_slot *acpiphp_slot) slot->hotplug_slot->info->cur_bus_speed = PCI_SPEED_UNKNOWN; acpiphp_slot->slot = slot; - make_slot_name(slot); + snprintf(slot->name, sizeof(slot->name), "%u", slot->acpi_slot->sun); retval = pci_hp_register(slot->hotplug_slot); if (retval) { err("pci_hp_register failed with error %d\n", retval); - goto error_name; + goto error_hpslot; } info("Slot [%s] registered\n", slot->hotplug_slot->name); return 0; -error_name: - kfree(slot->hotplug_slot->name); -error_info: - kfree(slot->hotplug_slot->info); error_hpslot: kfree(slot->hotplug_slot); error_slot: diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index 16167b0..0b9d0db 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -1693,14 +1693,10 @@ void __exit acpiphp_glue_exit(void) */ int __init acpiphp_get_num_slots(void) { - struct list_head *node; struct acpiphp_bridge *bridge; - int num_slots; - - num_slots = 0; + int num_slots = 0; - list_for_each (node, &bridge_list) { - bridge = (struct acpiphp_bridge *)node; + list_for_each_entry (bridge, &bridge_list, list) { dbg("Bus %04x:%02x has %d slot%s\n", pci_domain_nr(bridge->pci_bus), bridge->pci_bus->number, bridge->nr_slots, diff --git a/drivers/pci/hotplug/ibmphp_hpc.c b/drivers/pci/hotplug/ibmphp_hpc.c index c3ac98a..f55ac38 100644 --- a/drivers/pci/hotplug/ibmphp_hpc.c +++ b/drivers/pci/hotplug/ibmphp_hpc.c @@ -531,7 +531,7 @@ static u8 hpc_readcmdtoindex (u8 cmd, u8 index) * * Action: issue a READ command to HPC * -* Input: pslot - can not be NULL for READ_ALLSTAT +* Input: pslot - cannot be NULL for READ_ALLSTAT * pstatus - can be NULL for READ_ALLSTAT * * Return 0 or error codes diff --git a/drivers/pci/hotplug/ibmphp_pci.c b/drivers/pci/hotplug/ibmphp_pci.c index d87a9e3..d8f05d7 100644 --- a/drivers/pci/hotplug/ibmphp_pci.c +++ b/drivers/pci/hotplug/ibmphp_pci.c @@ -1371,12 +1371,12 @@ static int unconfigure_boot_bridge (u8 busno, u8 device, u8 function) } bus = ibmphp_find_res_bus (sec_number); - debug ("bus->busno is %x\n", bus->busno); - debug ("sec_number is %x\n", sec_number); if (!bus) { err ("cannot find Bus structure for the bridged device\n"); return -EINVAL; } + debug("bus->busno is %x\n", bus->busno); + debug("sec_number is %x\n", sec_number); ibmphp_remove_bus (bus, busno); diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index f93e81e..f13f313 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c @@ -521,14 +521,9 @@ static void __exit unload_pciehpd(void) } -static int hpdriver_context = 0; - static void pciehp_remove (struct pcie_device *device) { - printk("%s ENTRY\n", __FUNCTION__); - printk("%s -> Call free_irq for irq = %d\n", - __FUNCTION__, device->irq); - free_irq(device->irq, &hpdriver_context); + /* XXX - Needs to be adapted to device driver model */ } #ifdef CONFIG_PM diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 1c551c6..6d3f580 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -718,8 +718,6 @@ static void hpc_release_ctlr(struct controller *ctrl) if (php_ctlr->irq) { free_irq(php_ctlr->irq, ctrl); php_ctlr->irq = 0; - if (!pcie_mch_quirk) - pci_disable_msi(php_ctlr->pci_dev); } } if (php_ctlr->pci_dev) diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c index 46825fe..7238346 100644 --- a/drivers/pci/hotplug/rpadlpar_core.c +++ b/drivers/pci/hotplug/rpadlpar_core.c @@ -63,7 +63,7 @@ static struct device_node *find_php_slot_pci_node(char *drc_name, char *type; int rc; - while ((np = of_find_node_by_type(np, "pci"))) { + while ((np = of_find_node_by_name(np, "pci"))) { rc = rpaphp_get_drc_props(np, NULL, &name, &type, NULL); if (rc == 0) if (!strcmp(drc_name, name) && !strcmp(drc_type, type)) diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c index 141486d..71a2cb8 100644 --- a/drivers/pci/hotplug/rpaphp_core.c +++ b/drivers/pci/hotplug/rpaphp_core.c @@ -356,7 +356,7 @@ static int __init rpaphp_init(void) info(DRIVER_DESC " version: " DRIVER_VERSION "\n"); init_MUTEX(&rpaphp_sem); - while ((dn = of_find_node_by_type(dn, "pci"))) + while ((dn = of_find_node_by_name(dn, "pci"))) rpaphp_add_slot(dn); return 0; diff --git a/drivers/pci/hotplug/sgi_hotplug.c b/drivers/pci/hotplug/sgi_hotplug.c index b62ad31..5d188c5 100644 --- a/drivers/pci/hotplug/sgi_hotplug.c +++ b/drivers/pci/hotplug/sgi_hotplug.c @@ -205,21 +205,6 @@ static struct hotplug_slot * sn_hp_destroy(void) return bss_hotplug_slot; } -static void sn_bus_alloc_data(struct pci_dev *dev) -{ - struct pci_bus *subordinate_bus; - struct pci_dev *child; - - sn_pci_fixup_slot(dev); - - /* Recursively sets up the sn_irq_info structs */ - if (dev->subordinate) { - subordinate_bus = dev->subordinate; - list_for_each_entry(child, &subordinate_bus->devices, bus_list) - sn_bus_alloc_data(child); - } -} - static void sn_bus_free_data(struct pci_dev *dev) { struct pci_bus *subordinate_bus; @@ -337,6 +322,11 @@ static int sn_slot_disable(struct hotplug_slot *bss_hotplug_slot, return rc; } +/* + * Power up and configure the slot via a SAL call to PROM. + * Scan slot (and any children), do any platform specific fixup, + * and find device driver. + */ static int enable_slot(struct hotplug_slot *bss_hotplug_slot) { struct slot *slot = bss_hotplug_slot->private; @@ -345,6 +335,7 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot) int func, num_funcs; int new_ppb = 0; int rc; + void pcibios_fixup_device_resources(struct pci_dev *); /* Serialize the Linux PCI infrastructure */ mutex_lock(&sn_hotplug_mutex); @@ -367,9 +358,6 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot) return -ENODEV; } - sn_pci_controller_fixup(pci_domain_nr(slot->pci_bus), - slot->pci_bus->number, - slot->pci_bus); /* * Map SN resources for all functions on the card * to the Linux PCI interface and tell the drivers @@ -380,6 +368,13 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot) PCI_DEVFN(slot->device_num + 1, PCI_FUNC(func))); if (dev) { + /* Need to do slot fixup on PPB before fixup of children + * (PPB's pcidev_info needs to be in pcidev_info list + * before child's SN_PCIDEV_INFO() call to setup + * pdi_host_pcidev_info). + */ + pcibios_fixup_device_resources(dev); + sn_pci_fixup_slot(dev); if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE) { unsigned char sec_bus; pci_read_config_byte(dev, PCI_SECONDARY_BUS, @@ -387,12 +382,8 @@ static int enable_slot(struct hotplug_slot *bss_hotplug_slot) new_bus = pci_add_new_bus(dev->bus, dev, sec_bus); pci_scan_child_bus(new_bus); - sn_pci_controller_fixup(pci_domain_nr(new_bus), - new_bus->number, - new_bus); new_ppb = 1; } - sn_bus_alloc_data(dev); pci_dev_put(dev); } } diff --git a/drivers/pci/msi.h b/drivers/pci/msi.h index f0cca17..3898f52 100644 --- a/drivers/pci/msi.h +++ b/drivers/pci/msi.h @@ -6,14 +6,6 @@ #ifndef MSI_H #define MSI_H -/* - * MSI-X Address Register - */ -#define PCI_MSIX_FLAGS_QSIZE 0x7FF -#define PCI_MSIX_FLAGS_ENABLE (1 << 15) -#define PCI_MSIX_FLAGS_BIRMASK (7 << 0) -#define PCI_MSIX_FLAGS_BITMASK (1 << 0) - #define PCI_MSIX_ENTRY_SIZE 16 #define PCI_MSIX_ENTRY_LOWER_ADDR_OFFSET 0 #define PCI_MSIX_ENTRY_UPPER_ADDR_OFFSET 4 diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index bb7456c..a064f36 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -36,6 +36,7 @@ acpi_query_osc ( struct acpi_buffer output = {ACPI_ALLOCATE_BUFFER, NULL}; union acpi_object *out_obj; u32 osc_dw0; + acpi_status *ret_status = (acpi_status *)retval; /* Setting up input parameters */ @@ -56,6 +57,7 @@ acpi_query_osc ( if (ACPI_FAILURE (status)) { printk(KERN_DEBUG "Evaluate _OSC Set fails. Status = 0x%04x\n", status); + *ret_status = status; return status; } out_obj = output.pointer; @@ -90,6 +92,7 @@ acpi_query_osc ( query_osc_out: kfree(output.pointer); + *ret_status = status; return status; } @@ -166,6 +169,7 @@ run_osc_out: acpi_status pci_osc_support_set(u32 flags) { u32 temp; + acpi_status retval; if (!(flags & OSC_SUPPORT_MASKS)) { return AE_TYPE; @@ -179,9 +183,13 @@ acpi_status pci_osc_support_set(u32 flags) acpi_get_devices ( PCI_ROOT_HID_STRING, acpi_query_osc, ctrlset_buf, - NULL ); + (void **) &retval ); ctrlset_buf[OSC_QUERY_TYPE] = !OSC_QUERY_ENABLE; ctrlset_buf[OSC_CONTROL_TYPE] = temp; + if (ACPI_FAILURE(retval)) { + /* no osc support at all */ + ctrlset_buf[OSC_SUPPORT_TYPE] = 0; + } return AE_OK; } EXPORT_SYMBOL(pci_osc_support_set); diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 194f1d2..e5ae3a0 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -329,8 +329,8 @@ static int pci_default_resume(struct pci_dev *pci_dev) /* restore the PCI config space */ pci_restore_state(pci_dev); /* if the device was enabled before suspend, reenable */ - if (pci_dev->is_enabled) - retval = pci_enable_device(pci_dev); + if (atomic_read(&pci_dev->enable_cnt)) + retval = __pci_enable_device(pci_dev); /* if the device was busmaster before the suspend, make it busmaster again */ if (pci_dev->is_busmaster) pci_set_master(pci_dev); @@ -445,9 +445,12 @@ int __pci_register_driver(struct pci_driver *drv, struct module *owner) /* register with core */ error = driver_register(&drv->driver); + if (error) + return error; - if (!error) - error = pci_create_newid_file(drv); + error = pci_create_newid_file(drv); + if (error) + driver_unregister(&drv->driver); return error; } diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index f952bfe..7a94076 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -42,7 +42,6 @@ pci_config_attr(subsystem_vendor, "0x%04x\n"); pci_config_attr(subsystem_device, "0x%04x\n"); pci_config_attr(class, "0x%06x\n"); pci_config_attr(irq, "%u\n"); -pci_config_attr(is_enabled, "%u\n"); static ssize_t broken_parity_status_show(struct device *dev, struct device_attribute *attr, @@ -112,26 +111,36 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, (u8)(pci_dev->class >> 16), (u8)(pci_dev->class >> 8), (u8)(pci_dev->class)); } -static ssize_t -is_enabled_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) + +static ssize_t is_enabled_store(struct device *dev, + struct device_attribute *attr, const char *buf, + size_t count) { + ssize_t result = -EINVAL; struct pci_dev *pdev = to_pci_dev(dev); - int retval = 0; /* this can crash the machine when done on the "wrong" device */ if (!capable(CAP_SYS_ADMIN)) return count; - if (*buf == '0') - pci_disable_device(pdev); + if (*buf == '0') { + if (atomic_read(&pdev->enable_cnt) != 0) + pci_disable_device(pdev); + else + result = -EIO; + } else if (*buf == '1') + result = pci_enable_device(pdev); + + return result < 0 ? result : count; +} - if (*buf == '1') - retval = pci_enable_device(pdev); +static ssize_t is_enabled_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct pci_dev *pdev; - if (retval) - return retval; - return count; + pdev = to_pci_dev (dev); + return sprintf (buf, "%u\n", atomic_read(&pdev->enable_cnt)); } static ssize_t diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index a544997..5a14b73 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -490,6 +490,47 @@ static void pci_restore_pcie_state(struct pci_dev *dev) kfree(save_state); } + +static int pci_save_pcix_state(struct pci_dev *dev) +{ + int pos, i = 0; + struct pci_cap_saved_state *save_state; + u16 *cap; + + pos = pci_find_capability(dev, PCI_CAP_ID_PCIX); + if (pos <= 0) + return 0; + + save_state = kzalloc(sizeof(*save_state) + sizeof(u16), GFP_KERNEL); + if (!save_state) { + dev_err(&dev->dev, "Out of memory in pci_save_pcie_state\n"); + return -ENOMEM; + } + cap = (u16 *)&save_state->data[0]; + + pci_read_config_word(dev, pos + PCI_X_CMD, &cap[i++]); + pci_add_saved_cap(dev, save_state); + return 0; +} + +static void pci_restore_pcix_state(struct pci_dev *dev) +{ + int i = 0, pos; + struct pci_cap_saved_state *save_state; + u16 *cap; + + save_state = pci_find_saved_cap(dev, PCI_CAP_ID_PCIX); + pos = pci_find_capability(dev, PCI_CAP_ID_PCIX); + if (!save_state || pos <= 0) + return; + cap = (u16 *)&save_state->data[0]; + + pci_write_config_word(dev, pos + PCI_X_CMD, cap[i++]); + pci_remove_saved_cap(save_state); + kfree(save_state); +} + + /** * pci_save_state - save the PCI configuration space of a device before suspending * @dev: - PCI device that we're dealing with @@ -507,6 +548,8 @@ pci_save_state(struct pci_dev *dev) return i; if ((i = pci_save_pcie_state(dev)) != 0) return i; + if ((i = pci_save_pcix_state(dev)) != 0) + return i; return 0; } @@ -538,6 +581,7 @@ pci_restore_state(struct pci_dev *dev) dev->saved_config_space[i]); } } + pci_restore_pcix_state(dev); pci_restore_msi_state(dev); pci_restore_msix_state(dev); return 0; @@ -568,30 +612,51 @@ pci_enable_device_bars(struct pci_dev *dev, int bars) } /** - * pci_enable_device - Initialize device before it's used by a driver. + * __pci_enable_device - Initialize device before it's used by a driver. * @dev: PCI device to be initialized * * Initialize device before it's used by a driver. Ask low-level code * to enable I/O and memory. Wake up the device if it was suspended. * Beware, this function can fail. + * + * Note this function is a backend and is not supposed to be called by + * normal code, use pci_enable_device() instead. */ int -pci_enable_device(struct pci_dev *dev) +__pci_enable_device(struct pci_dev *dev) { int err; - if (dev->is_enabled) - return 0; - err = pci_enable_device_bars(dev, (1 << PCI_NUM_RESOURCES) - 1); if (err) return err; pci_fixup_device(pci_fixup_enable, dev); - dev->is_enabled = 1; return 0; } /** + * pci_enable_device - Initialize device before it's used by a driver. + * @dev: PCI device to be initialized + * + * Initialize device before it's used by a driver. Ask low-level code + * to enable I/O and memory. Wake up the device if it was suspended. + * Beware, this function can fail. + * + * Note we don't actually enable the device many times if we call + * this function repeatedly (we just increment the count). + */ +int pci_enable_device(struct pci_dev *dev) +{ + int result; + if (atomic_add_return(1, &dev->enable_cnt) > 1) + return 0; /* already enabled */ + result = __pci_enable_device(dev); + if (result < 0) + atomic_dec(&dev->enable_cnt); + return result; +} + +/** * pcibios_disable_device - disable arch specific PCI resources for device dev * @dev: the PCI device to disable * @@ -607,12 +672,18 @@ void __attribute__ ((weak)) pcibios_disable_device (struct pci_dev *dev) {} * * Signal to the system that the PCI device is not in use by the system * anymore. This only involves disabling PCI bus-mastering, if active. + * + * Note we don't actually disable the device until all callers of + * pci_device_enable() have called pci_device_disable(). */ void pci_disable_device(struct pci_dev *dev) { u16 pci_command; + if (atomic_sub_return(1, &dev->enable_cnt) != 0) + return; + if (dev->msi_enabled) disable_msi_mode(dev, pci_find_capability(dev, PCI_CAP_ID_MSI), PCI_CAP_ID_MSI); @@ -628,7 +699,6 @@ pci_disable_device(struct pci_dev *dev) dev->is_busmaster = 0; pcibios_disable_device(dev); - dev->is_enabled = 0; } /** @@ -831,22 +901,38 @@ pci_set_master(struct pci_dev *dev) pcibios_set_master(dev); } -#ifndef HAVE_ARCH_PCI_MWI +#ifdef PCI_DISABLE_MWI +int pci_set_mwi(struct pci_dev *dev) +{ + return 0; +} + +void pci_clear_mwi(struct pci_dev *dev) +{ +} + +#else + +#ifndef PCI_CACHE_LINE_BYTES +#define PCI_CACHE_LINE_BYTES L1_CACHE_BYTES +#endif + /* This can be overridden by arch code. */ -u8 pci_cache_line_size = L1_CACHE_BYTES >> 2; +/* Don't forget this is measured in 32-bit words, not bytes */ +u8 pci_cache_line_size = PCI_CACHE_LINE_BYTES / 4; /** - * pci_generic_prep_mwi - helper function for pci_set_mwi - * @dev: the PCI device for which MWI is enabled + * pci_set_cacheline_size - ensure the CACHE_LINE_SIZE register is programmed + * @dev: the PCI device for which MWI is to be enabled * - * Helper function for generic implementation of pcibios_prep_mwi - * function. Originally copied from drivers/net/acenic.c. + * Helper function for pci_set_mwi. + * Originally copied from drivers/net/acenic.c. * Copyright 1998-2001 by Jes Sorensen, <jes@trained-monkey.org>. * * RETURNS: An appropriate -ERRNO error value on error, or zero for success. */ static int -pci_generic_prep_mwi(struct pci_dev *dev) +pci_set_cacheline_size(struct pci_dev *dev) { u8 cacheline_size; @@ -872,7 +958,6 @@ pci_generic_prep_mwi(struct pci_dev *dev) return -EINVAL; } -#endif /* !HAVE_ARCH_PCI_MWI */ /** * pci_set_mwi - enables memory-write-invalidate PCI transaction @@ -890,12 +975,7 @@ pci_set_mwi(struct pci_dev *dev) int rc; u16 cmd; -#ifdef HAVE_ARCH_PCI_MWI - rc = pcibios_prep_mwi(dev); -#else - rc = pci_generic_prep_mwi(dev); -#endif - + rc = pci_set_cacheline_size(dev); if (rc) return rc; @@ -926,6 +1006,7 @@ pci_clear_mwi(struct pci_dev *dev) pci_write_config_word(dev, PCI_COMMAND, cmd); } } +#endif /* ! PCI_DISABLE_MWI */ /** * pci_intx - enables/disables PCI INTx for device dev diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 6bf327d..398852f 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -1,5 +1,6 @@ /* Functions internal to the PCI core code */ +extern int __must_check __pci_enable_device(struct pci_dev *); extern int pci_uevent(struct device *dev, char **envp, int num_envp, char *buffer, int buffer_size); extern int pci_create_sysfs_dev_files(struct pci_dev *pdev); diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index e159d66..0eeac60 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -679,6 +679,33 @@ static int pci_setup_device(struct pci_dev * dev) pci_read_bases(dev, 6, PCI_ROM_ADDRESS); pci_read_config_word(dev, PCI_SUBSYSTEM_VENDOR_ID, &dev->subsystem_vendor); pci_read_config_word(dev, PCI_SUBSYSTEM_ID, &dev->subsystem_device); + + /* + * Do the ugly legacy mode stuff here rather than broken chip + * quirk code. Legacy mode ATA controllers have fixed + * addresses. These are not always echoed in BAR0-3, and + * BAR0-3 in a few cases contain junk! + */ + if (class == PCI_CLASS_STORAGE_IDE) { + u8 progif; + pci_read_config_byte(dev, PCI_CLASS_PROG, &progif); + if ((progif & 1) == 0) { + dev->resource[0].start = 0x1F0; + dev->resource[0].end = 0x1F7; + dev->resource[0].flags = IORESOURCE_IO; + dev->resource[1].start = 0x3F6; + dev->resource[1].end = 0x3F6; + dev->resource[1].flags = IORESOURCE_IO; + } + if ((progif & 4) == 0) { + dev->resource[2].start = 0x170; + dev->resource[2].end = 0x177; + dev->resource[2].flags = IORESOURCE_IO; + dev->resource[3].start = 0x376; + dev->resource[3].end = 0x376; + dev->resource[3].flags = IORESOURCE_IO; + } + } break; case PCI_HEADER_TYPE_BRIDGE: /* bridge header */ diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 5b44838..9ca9b9b 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -797,56 +797,6 @@ static void __init quirk_mediagx_master(struct pci_dev *dev) DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CYRIX, PCI_DEVICE_ID_CYRIX_PCI_MASTER, quirk_mediagx_master ); /* - * As per PCI spec, ignore base address registers 0-3 of the IDE controllers - * running in Compatible mode (bits 0 and 2 in the ProgIf for primary and - * secondary channels respectively). If the device reports Compatible mode - * but does use BAR0-3 for address decoding, we assume that firmware has - * programmed these BARs with standard values (0x1f0,0x3f4 and 0x170,0x374). - * Exceptions (if they exist) must be handled in chip/architecture specific - * fixups. - * - * Note: for non x86 people. You may need an arch specific quirk to handle - * moving IDE devices to native mode as well. Some plug in card devices power - * up in compatible mode and assume the BIOS will adjust them. - * - * Q: should we load the 0x1f0,0x3f4 into the registers or zap them as - * we do now ? We don't want is pci_enable_device to come along - * and assign new resources. Both approaches work for that. - */ -static void __devinit quirk_ide_bases(struct pci_dev *dev) -{ - struct resource *res; - int first_bar = 2, last_bar = 0; - - if ((dev->class >> 8) != PCI_CLASS_STORAGE_IDE) - return; - - res = &dev->resource[0]; - - /* primary channel: ProgIf bit 0, BAR0, BAR1 */ - if (!(dev->class & 1) && (res[0].flags || res[1].flags)) { - res[0].start = res[0].end = res[0].flags = 0; - res[1].start = res[1].end = res[1].flags = 0; - first_bar = 0; - last_bar = 1; - } - - /* secondary channel: ProgIf bit 2, BAR2, BAR3 */ - if (!(dev->class & 4) && (res[2].flags || res[3].flags)) { - res[2].start = res[2].end = res[2].flags = 0; - res[3].start = res[3].end = res[3].flags = 0; - last_bar = 3; - } - - if (!last_bar) - return; - - printk(KERN_INFO "PCI: Ignoring BAR%d-%d of IDE controller %s\n", - first_bar, last_bar, pci_name(dev)); -} -DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, quirk_ide_bases); - -/* * Ensure C0 rev restreaming is off. This is normally done by * the BIOS but in the odd case it is not the results are corruption * hence the presence of a Linux check @@ -880,11 +830,10 @@ static void __devinit quirk_svwks_csb5ide(struct pci_dev *pdev) prog &= ~5; pdev->class &= ~5; pci_write_config_byte(pdev, PCI_CLASS_PROG, prog); - /* need to re-assign BARs for compat mode */ - quirk_ide_bases(pdev); + /* PCI layer will sort out resources */ } } -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, quirk_svwks_csb5ide ); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, quirk_svwks_csb5ide ); /* * Intel 82801CAM ICH3-M datasheet says IDE modes must be the same @@ -900,11 +849,9 @@ static void __init quirk_ide_samemode(struct pci_dev *pdev) prog &= ~5; pdev->class &= ~5; pci_write_config_byte(pdev, PCI_CLASS_PROG, prog); - /* need to re-assign BARs for compat mode */ - quirk_ide_bases(pdev); } } -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_10, quirk_ide_samemode); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_10, quirk_ide_samemode); /* This was originally an Alpha specific thing, but it really fits here. * The i82375 PCI/EISA bridge appears as non-classified. Fix that. diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c index e1dcefc..d087e08 100644 --- a/drivers/pci/rom.c +++ b/drivers/pci/rom.c @@ -81,7 +81,8 @@ void __iomem *pci_map_rom(struct pci_dev *pdev, size_t *size) start = (loff_t)0xC0000; *size = 0x20000; /* cover C000:0 through E000:0 */ } else { - if (res->flags & IORESOURCE_ROM_COPY) { + if (res->flags & + (IORESOURCE_ROM_COPY | IORESOURCE_ROM_BIOS_COPY)) { *size = pci_resource_len(pdev, PCI_ROM_RESOURCE); return (void __iomem *)(unsigned long) pci_resource_start(pdev, PCI_ROM_RESOURCE); @@ -165,7 +166,8 @@ void __iomem *pci_map_rom_copy(struct pci_dev *pdev, size_t *size) if (!rom) return NULL; - if (res->flags & (IORESOURCE_ROM_COPY | IORESOURCE_ROM_SHADOW)) + if (res->flags & (IORESOURCE_ROM_COPY | IORESOURCE_ROM_SHADOW | + IORESOURCE_ROM_BIOS_COPY)) return rom; res->start = (unsigned long)kmalloc(*size, GFP_KERNEL); @@ -191,7 +193,7 @@ void pci_unmap_rom(struct pci_dev *pdev, void __iomem *rom) { struct resource *res = &pdev->resource[PCI_ROM_RESOURCE]; - if (res->flags & IORESOURCE_ROM_COPY) + if (res->flags & (IORESOURCE_ROM_COPY | IORESOURCE_ROM_BIOS_COPY)) return; iounmap(rom); @@ -215,6 +217,7 @@ void pci_remove_rom(struct pci_dev *pdev) sysfs_remove_bin_file(&pdev->dev.kobj, pdev->rom_attr); if (!(res->flags & (IORESOURCE_ROM_ENABLE | IORESOURCE_ROM_SHADOW | + IORESOURCE_ROM_BIOS_COPY | IORESOURCE_ROM_COPY))) pci_disable_rom(pdev); } diff --git a/drivers/s390/net/claw.h b/drivers/s390/net/claw.h index 969be46..1ee9a6f 100644 --- a/drivers/s390/net/claw.h +++ b/drivers/s390/net/claw.h @@ -29,7 +29,7 @@ #define CLAW_COMPLETE 0xff /* flag to indicate i/o completed */ /*-----------------------------------------------------* -* CLAW control comand code * +* CLAW control command code * *------------------------------------------------------*/ #define SYSTEM_VALIDATE_REQUEST 0x01 /* System Validate request */ diff --git a/drivers/scsi/aic94xx/aic94xx_reg_def.h b/drivers/scsi/aic94xx/aic94xx_reg_def.h index b79f45f..a11f4e6 100644 --- a/drivers/scsi/aic94xx/aic94xx_reg_def.h +++ b/drivers/scsi/aic94xx/aic94xx_reg_def.h @@ -2000,7 +2000,7 @@ * The host accesses this scratch in a different manner from the * central sequencer. The sequencer has to use CSEQ registers CSCRPAGE * and CMnSCRPAGE to access the scratch memory. A flat mapping of the - * scratch memory is avaliable for software convenience and to prevent + * scratch memory is available for software convenience and to prevent * corruption while the sequencer is running. This memory is mapped * onto addresses 800h - BFFh, total of 400h bytes. * diff --git a/drivers/scsi/aic94xx/aic94xx_sds.c b/drivers/scsi/aic94xx/aic94xx_sds.c index de7c04d..e5a0ec3 100644 --- a/drivers/scsi/aic94xx/aic94xx_sds.c +++ b/drivers/scsi/aic94xx/aic94xx_sds.c @@ -64,7 +64,7 @@ struct asd_ocm_dir { #define OCM_INIT_DIR_ENTRIES 5 /*************************************************************************** -* OCM dircetory default +* OCM directory default ***************************************************************************/ static struct asd_ocm_dir OCMDirInit = { @@ -73,7 +73,7 @@ static struct asd_ocm_dir OCMDirInit = }; /*************************************************************************** -* OCM dircetory Entries default +* OCM directory Entries default ***************************************************************************/ static struct asd_ocm_dir_ent OCMDirEntriesInit[OCM_INIT_DIR_ENTRIES] = { diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c index 6cc2bc2..adb8eb4 100644 --- a/drivers/scsi/ncr53c8xx.c +++ b/drivers/scsi/ncr53c8xx.c @@ -185,7 +185,7 @@ static inline struct list_head *ncr_list_pop(struct list_head *head) ** power of 2 cache line size. ** Enhanced in linux-2.3.44 to provide a memory pool ** per pcidev to support dynamic dma mapping. (I would -** have preferred a real bus astraction, btw). +** have preferred a real bus abstraction, btw). ** **========================================================== */ @@ -1438,7 +1438,7 @@ struct head { ** The first four bytes (scr_st[4]) are used inside the script by ** "COPY" commands. ** Because source and destination must have the same alignment -** in a DWORD, the fields HAVE to be at the choosen offsets. +** in a DWORD, the fields HAVE to be at the chosen offsets. ** xerr_st 0 (0x34) scratcha ** sync_st 1 (0x05) sxfer ** wide_st 3 (0x03) scntl3 @@ -1498,7 +1498,7 @@ struct head { ** the DSA (data structure address) register points ** to this substructure of the ccb. ** This substructure contains the header with -** the script-processor-changable data and +** the script-processor-changeable data and ** data blocks for the indirect move commands. ** **---------------------------------------------------------- @@ -5107,7 +5107,7 @@ void ncr_complete (struct ncb *np, struct ccb *cp) /* ** This CCB has been skipped by the NCR. -** Queue it in the correponding unit queue. +** Queue it in the corresponding unit queue. */ static void ncr_ccb_skipped(struct ncb *np, struct ccb *cp) { @@ -5896,8 +5896,8 @@ static void ncr_log_hard_error(struct ncb *np, u16 sist, u_char dstat) ** ** In normal cases, interrupt conditions occur one at a ** time. The ncr is able to stack in some extra registers -** other interrupts that will occurs after the first one. -** But severall interrupts may occur at the same time. +** other interrupts that will occur after the first one. +** But, several interrupts may occur at the same time. ** ** We probably should only try to deal with the normal ** case, but it seems that multiple interrupts occur in @@ -6796,7 +6796,7 @@ void ncr_int_sir (struct ncb *np) ** The host status field is set to HS_NEGOTIATE to mark this ** situation. ** -** If the target doesn't answer this message immidiately +** If the target doesn't answer this message immediately ** (as required by the standard), the SIR_NEGO_FAIL interrupt ** will be raised eventually. ** The handler removes the HS_NEGOTIATE status, and sets the diff --git a/drivers/scsi/ncr53c8xx.h b/drivers/scsi/ncr53c8xx.h index cb8b770..b39357d 100644 --- a/drivers/scsi/ncr53c8xx.h +++ b/drivers/scsi/ncr53c8xx.h @@ -218,7 +218,7 @@ ** Same as option 1, but also deal with ** misconfigured interrupts. ** -** - Edge triggerred instead of level sensitive. +** - Edge triggered instead of level sensitive. ** - No interrupt line connected. ** - IRQ number misconfigured. ** @@ -549,7 +549,7 @@ struct ncr_driver_setup { /* ** Initial setup. -** Can be overriden at startup by a command line. +** Can be overridden at startup by a command line. */ #define SCSI_NCR_DRIVER_SETUP \ { \ @@ -1093,7 +1093,7 @@ struct scr_tblsel { **----------------------------------------------------------- ** On 810A, 860, 825A, 875, 895 and 896 chips the content ** of SFBR register can be used as data (SCR_SFBR_DATA). -** The 896 has additionnal IO registers starting at +** The 896 has additional IO registers starting at ** offset 0x80. Bit 7 of register offset is stored in ** bit 7 of the SCRIPTS instruction first DWORD. **----------------------------------------------------------- diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 23334c8..d895a1a 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -16,7 +16,7 @@ config SPI controller and a chipselect. Most SPI slaves don't support dynamic device discovery; some are even write-only or read-only. - SPI is widely used by microcontollers to talk with sensors, + SPI is widely used by microcontrollers to talk with sensors, eeprom and flash memory, codecs and various other controller chips, analog to digital (and d-to-a) converters, and more. MMC and SD cards can be accessed using SPI protocol; and for diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index cf10cbc..cc60759 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -153,7 +153,7 @@ config USB_U132_HCD adapter will *NOT* work with PC cards that do not contain an OHCI controller. - For those PC cards that contain multiple OHCI controllers only ther + For those PC cards that contain multiple OHCI controllers only the first one is used. The driver consists of two modules, the "ftdi-elan" module is a diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index 8710608..ef54e310b 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -207,7 +207,7 @@ struct u132 { }; /* -* these can not be inlines because we need the structure offset!! +* these cannot be inlines because we need the structure offset!! * Does anyone have a better way????? */ #define u132_read_pcimem(u132, member, data) \ @@ -3041,7 +3041,7 @@ static struct hc_driver u132_hc_driver = { * This function may be called by the USB core whilst the "usb_all_devices_rwsem" * is held for writing, thus this module must not call usb_remove_hcd() * synchronously - but instead should immediately stop activity to the -* device and ansynchronously call usb_remove_hcd() +* device and asynchronously call usb_remove_hcd() */ static int __devexit u132_remove(struct platform_device *pdev) { @@ -3237,7 +3237,7 @@ static int u132_resume(struct platform_device *pdev) #define u132_resume NULL #endif /* -* this driver is loaded explicitely by ftdi_u132 +* this driver is loaded explicitly by ftdi_u132 * * the platform_driver struct is static because it is per type of module */ diff --git a/drivers/usb/misc/usb_u132.h b/drivers/usb/misc/usb_u132.h index fbb52b2..dc2e5a3 100644 --- a/drivers/usb/misc/usb_u132.h +++ b/drivers/usb/misc/usb_u132.h @@ -52,7 +52,7 @@ * the kernel to load the "u132-hcd" module. * * The "ftdi-u132" module provides the interface to the inserted -* PC card and the "u132-hcd" module uses the API to send and recieve +* PC card and the "u132-hcd" module uses the API to send and receive * data. The API features call-backs, so that part of the "u132-hcd" * module code will run in the context of one of the kernel threads * of the "ftdi-u132" module. diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c index bdb5810..5e3ac28 100644 --- a/drivers/usb/serial/digi_acceleport.c +++ b/drivers/usb/serial/digi_acceleport.c @@ -157,7 +157,7 @@ * to TASK_RUNNING will be lost and write_chan's subsequent call to * schedule() will never return (unless it catches a signal). * This race condition occurs because write_bulk_callback() (and thus -* the wakeup) are called asynchonously from an interrupt, rather than +* the wakeup) are called asynchronously from an interrupt, rather than * from the scheduler. We can avoid the race by calling the wakeup * from the scheduler queue and that's our fix: Now, at the end of * write_bulk_callback() we queue up a wakeup call on the scheduler diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 93ffcdd..e973a87 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1296,14 +1296,14 @@ register_framebuffer(struct fb_info *fb_info) break; fb_info->node = i; - fb_info->class_device = class_device_create(fb_class, NULL, MKDEV(FB_MAJOR, i), - fb_info->device, "fb%d", i); - if (IS_ERR(fb_info->class_device)) { + fb_info->dev = device_create(fb_class, fb_info->device, + MKDEV(FB_MAJOR, i), "fb%d", i); + if (IS_ERR(fb_info->dev)) { /* Not fatal */ - printk(KERN_WARNING "Unable to create class_device for framebuffer %d; errno = %ld\n", i, PTR_ERR(fb_info->class_device)); - fb_info->class_device = NULL; + printk(KERN_WARNING "Unable to create device for framebuffer %d; errno = %ld\n", i, PTR_ERR(fb_info->dev)); + fb_info->dev = NULL; } else - fb_init_class_device(fb_info); + fb_init_device(fb_info); if (fb_info->pixmap.addr == NULL) { fb_info->pixmap.addr = kmalloc(FBPIXMAPSIZE, GFP_KERNEL); @@ -1356,8 +1356,8 @@ unregister_framebuffer(struct fb_info *fb_info) fb_destroy_modelist(&fb_info->modelist); registered_fb[i]=NULL; num_registered_fb--; - fb_cleanup_class_device(fb_info); - class_device_destroy(fb_class, MKDEV(FB_MAJOR, i)); + fb_cleanup_device(fb_info); + device_destroy(fb_class, MKDEV(FB_MAJOR, i)); event.info = fb_info; fb_notifier_call_chain(FB_EVENT_FB_UNREGISTERED, &event); return 0; diff --git a/drivers/video/fbsysfs.c b/drivers/video/fbsysfs.c index d3a5041..323bdf6 100644 --- a/drivers/video/fbsysfs.c +++ b/drivers/video/fbsysfs.c @@ -73,7 +73,7 @@ EXPORT_SYMBOL(framebuffer_alloc); * * @info: frame buffer info structure * - * Drop the reference count of the class_device embedded in the + * Drop the reference count of the device embedded in the * framebuffer info structure. * */ @@ -120,10 +120,10 @@ static int mode_string(char *buf, unsigned int offset, m, mode->xres, mode->yres, v, mode->refresh); } -static ssize_t store_mode(struct class_device *class_device, const char * buf, - size_t count) +static ssize_t store_mode(struct device *device, struct device_attribute *attr, + const char *buf, size_t count) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); char mstr[100]; struct fb_var_screeninfo var; struct fb_modelist *modelist; @@ -151,9 +151,10 @@ static ssize_t store_mode(struct class_device *class_device, const char * buf, return -EINVAL; } -static ssize_t show_mode(struct class_device *class_device, char *buf) +static ssize_t show_mode(struct device *device, struct device_attribute *attr, + char *buf) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); if (!fb_info->mode) return 0; @@ -161,10 +162,11 @@ static ssize_t show_mode(struct class_device *class_device, char *buf) return mode_string(buf, 0, fb_info->mode); } -static ssize_t store_modes(struct class_device *class_device, const char * buf, - size_t count) +static ssize_t store_modes(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); LIST_HEAD(old_list); int i = count / sizeof(struct fb_videomode); @@ -186,9 +188,10 @@ static ssize_t store_modes(struct class_device *class_device, const char * buf, return 0; } -static ssize_t show_modes(struct class_device *class_device, char *buf) +static ssize_t show_modes(struct device *device, struct device_attribute *attr, + char *buf) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); unsigned int i; struct list_head *pos; struct fb_modelist *modelist; @@ -203,10 +206,10 @@ static ssize_t show_modes(struct class_device *class_device, char *buf) return i; } -static ssize_t store_bpp(struct class_device *class_device, const char * buf, - size_t count) +static ssize_t store_bpp(struct device *device, struct device_attribute *attr, + const char *buf, size_t count) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); struct fb_var_screeninfo var; char ** last = NULL; int err; @@ -218,16 +221,18 @@ static ssize_t store_bpp(struct class_device *class_device, const char * buf, return count; } -static ssize_t show_bpp(struct class_device *class_device, char *buf) +static ssize_t show_bpp(struct device *device, struct device_attribute *attr, + char *buf) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->var.bits_per_pixel); } -static ssize_t store_rotate(struct class_device *class_device, const char *buf, - size_t count) +static ssize_t store_rotate(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); struct fb_var_screeninfo var; char **last = NULL; int err; @@ -242,17 +247,19 @@ static ssize_t store_rotate(struct class_device *class_device, const char *buf, } -static ssize_t show_rotate(struct class_device *class_device, char *buf) +static ssize_t show_rotate(struct device *device, + struct device_attribute *attr, char *buf) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->var.rotate); } -static ssize_t store_virtual(struct class_device *class_device, - const char * buf, size_t count) +static ssize_t store_virtual(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); struct fb_var_screeninfo var; char *last = NULL; int err; @@ -269,23 +276,26 @@ static ssize_t store_virtual(struct class_device *class_device, return count; } -static ssize_t show_virtual(struct class_device *class_device, char *buf) +static ssize_t show_virtual(struct device *device, + struct device_attribute *attr, char *buf) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); return snprintf(buf, PAGE_SIZE, "%d,%d\n", fb_info->var.xres_virtual, fb_info->var.yres_virtual); } -static ssize_t show_stride(struct class_device *class_device, char *buf) +static ssize_t show_stride(struct device *device, + struct device_attribute *attr, char *buf) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->fix.line_length); } -static ssize_t store_blank(struct class_device *class_device, const char * buf, - size_t count) +static ssize_t store_blank(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); char *last = NULL; int err; @@ -299,42 +309,48 @@ static ssize_t store_blank(struct class_device *class_device, const char * buf, return count; } -static ssize_t show_blank(struct class_device *class_device, char *buf) +static ssize_t show_blank(struct device *device, + struct device_attribute *attr, char *buf) { -// struct fb_info *fb_info = class_get_devdata(class_device); +// struct fb_info *fb_info = dev_get_drvdata(device); return 0; } -static ssize_t store_console(struct class_device *class_device, - const char * buf, size_t count) +static ssize_t store_console(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) { -// struct fb_info *fb_info = class_get_devdata(class_device); +// struct fb_info *fb_info = dev_get_drvdata(device); return 0; } -static ssize_t show_console(struct class_device *class_device, char *buf) +static ssize_t show_console(struct device *device, + struct device_attribute *attr, char *buf) { -// struct fb_info *fb_info = class_get_devdata(class_device); +// struct fb_info *fb_info = dev_get_drvdata(device); return 0; } -static ssize_t store_cursor(struct class_device *class_device, - const char * buf, size_t count) +static ssize_t store_cursor(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) { -// struct fb_info *fb_info = class_get_devdata(class_device); +// struct fb_info *fb_info = dev_get_drvdata(device); return 0; } -static ssize_t show_cursor(struct class_device *class_device, char *buf) +static ssize_t show_cursor(struct device *device, + struct device_attribute *attr, char *buf) { -// struct fb_info *fb_info = class_get_devdata(class_device); +// struct fb_info *fb_info = dev_get_drvdata(device); return 0; } -static ssize_t store_pan(struct class_device *class_device, const char * buf, - size_t count) +static ssize_t store_pan(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); struct fb_var_screeninfo var; char *last = NULL; int err; @@ -355,24 +371,27 @@ static ssize_t store_pan(struct class_device *class_device, const char * buf, return count; } -static ssize_t show_pan(struct class_device *class_device, char *buf) +static ssize_t show_pan(struct device *device, + struct device_attribute *attr, char *buf) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); return snprintf(buf, PAGE_SIZE, "%d,%d\n", fb_info->var.xoffset, fb_info->var.xoffset); } -static ssize_t show_name(struct class_device *class_device, char *buf) +static ssize_t show_name(struct device *device, + struct device_attribute *attr, char *buf) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); return snprintf(buf, PAGE_SIZE, "%s\n", fb_info->fix.id); } -static ssize_t store_fbstate(struct class_device *class_device, - const char *buf, size_t count) +static ssize_t store_fbstate(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); u32 state; char *last = NULL; @@ -385,17 +404,19 @@ static ssize_t store_fbstate(struct class_device *class_device, return count; } -static ssize_t show_fbstate(struct class_device *class_device, char *buf) +static ssize_t show_fbstate(struct device *device, + struct device_attribute *attr, char *buf) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->state); } #ifdef CONFIG_FB_BACKLIGHT -static ssize_t store_bl_curve(struct class_device *class_device, - const char *buf, size_t count) +static ssize_t store_bl_curve(struct device *device, + struct device_attribute *attr, + const char *buf, size_t count) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); u8 tmp_curve[FB_BACKLIGHT_LEVELS]; unsigned int i; @@ -432,9 +453,10 @@ static ssize_t store_bl_curve(struct class_device *class_device, return count; } -static ssize_t show_bl_curve(struct class_device *class_device, char *buf) +static ssize_t show_bl_curve(struct device *device, + struct device_attribute *attr, char *buf) { - struct fb_info *fb_info = class_get_devdata(class_device); + struct fb_info *fb_info = dev_get_drvdata(device); ssize_t len = 0; unsigned int i; @@ -465,7 +487,7 @@ static ssize_t show_bl_curve(struct class_device *class_device, char *buf) /* When cmap is added back in it should be a binary attribute * not a text one. Consideration should also be given to converting * fbdev to use configfs instead of sysfs */ -static struct class_device_attribute class_device_attrs[] = { +static struct device_attribute device_attrs[] = { __ATTR(bits_per_pixel, S_IRUGO|S_IWUSR, show_bpp, store_bpp), __ATTR(blank, S_IRUGO|S_IWUSR, show_blank, store_blank), __ATTR(console, S_IRUGO|S_IWUSR, show_console, store_console), @@ -483,17 +505,16 @@ static struct class_device_attribute class_device_attrs[] = { #endif }; -int fb_init_class_device(struct fb_info *fb_info) +int fb_init_device(struct fb_info *fb_info) { int i, error = 0; - class_set_devdata(fb_info->class_device, fb_info); + dev_set_drvdata(fb_info->dev, fb_info); fb_info->class_flag |= FB_SYSFS_FLAG_ATTR; - for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++) { - error = class_device_create_file(fb_info->class_device, - &class_device_attrs[i]); + for (i = 0; i < ARRAY_SIZE(device_attrs); i++) { + error = device_create_file(fb_info->dev, &device_attrs[i]); if (error) break; @@ -501,22 +522,20 @@ int fb_init_class_device(struct fb_info *fb_info) if (error) { while (--i >= 0) - class_device_remove_file(fb_info->class_device, - &class_device_attrs[i]); + device_remove_file(fb_info->dev, &device_attrs[i]); fb_info->class_flag &= ~FB_SYSFS_FLAG_ATTR; } return 0; } -void fb_cleanup_class_device(struct fb_info *fb_info) +void fb_cleanup_device(struct fb_info *fb_info) { unsigned int i; if (fb_info->class_flag & FB_SYSFS_FLAG_ATTR) { - for (i = 0; i < ARRAY_SIZE(class_device_attrs); i++) - class_device_remove_file(fb_info->class_device, - &class_device_attrs[i]); + for (i = 0; i < ARRAY_SIZE(device_attrs); i++) + device_remove_file(fb_info->dev, &device_attrs[i]); fb_info->class_flag &= ~FB_SYSFS_FLAG_ATTR; } @@ -972,7 +972,7 @@ config SYSFS Some system agents rely on the information in sysfs to operate. /sbin/hotplug uses device and object attributes in sysfs to assist in - delegating policy decisions, like persistantly naming devices. + delegating policy decisions, like persistently naming devices. sysfs is currently used by the block subsystem to mount the root partition. If sysfs is disabled you must specify the boot device on @@ -1145,7 +1145,7 @@ config BEFS_FS help The BeOS File System (BeFS) is the native file system of Be, Inc's BeOS. Notable features include support for arbitrary attributes - on files and directories, and database-like indeces on selected + on files and directories, and database-like indices on selected attributes. (Also note that this driver doesn't make those features available at this time). It is a 64 bit filesystem, so it supports extremely large volumes and files. @@ -367,8 +367,7 @@ void fastcall __put_ioctx(struct kioctx *ctx) { unsigned nr_events = ctx->max_reqs; - if (unlikely(ctx->reqs_active)) - BUG(); + BUG_ON(ctx->reqs_active); cancel_delayed_work(&ctx->wq); flush_workqueue(aio_wq); @@ -505,8 +504,7 @@ static int __aio_put_req(struct kioctx *ctx, struct kiocb *req) assert_spin_locked(&ctx->ctx_lock); req->ki_users --; - if (unlikely(req->ki_users < 0)) - BUG(); + BUG_ON(req->ki_users < 0); if (likely(req->ki_users)) return 0; list_del(&req->ki_list); /* remove from active_reqs */ @@ -560,10 +560,8 @@ struct bio *bio_copy_user(request_queue_t *q, unsigned long uaddr, break; } - if (bio_add_pc_page(q, bio, page, bytes, 0) < bytes) { - ret = -EINVAL; + if (bio_add_pc_page(q, bio, page, bytes, 0) < bytes) break; - } len -= bytes; } @@ -622,10 +620,9 @@ static struct bio *__bio_map_user_iov(request_queue_t *q, nr_pages += end - start; /* - * transfer and buffer must be aligned to at least hardsector - * size for now, in the future we can relax this restriction + * buffer must be aligned to at least hardsector size for now */ - if ((uaddr & queue_dma_alignment(q)) || (len & queue_dma_alignment(q))) + if (uaddr & queue_dma_alignment(q)) return ERR_PTR(-EINVAL); } @@ -751,7 +748,6 @@ struct bio *bio_map_user_iov(request_queue_t *q, struct block_device *bdev, int write_to_vm) { struct bio *bio; - int len = 0, i; bio = __bio_map_user_iov(q, bdev, iov, iov_count, write_to_vm); @@ -766,18 +762,7 @@ struct bio *bio_map_user_iov(request_queue_t *q, struct block_device *bdev, */ bio_get(bio); - for (i = 0; i < iov_count; i++) - len += iov[i].iov_len; - - if (bio->bi_size == len) - return bio; - - /* - * don't support partial mappings - */ - bio_endio(bio, bio->bi_size, 0); - bio_unmap_user(bio); - return ERR_PTR(-EINVAL); + return bio; } static void __bio_unmap_user(struct bio *bio) diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 1ad8c9f..c4fa91b 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -318,6 +318,7 @@ int cifs_get_inode_info(struct inode **pinode, struct cifs_sb_info *cifs_sb = CIFS_SB(sb); char *tmp_path; char *buf = NULL; + int adjustTZ = FALSE; pTcon = cifs_sb->tcon; cFYI(1,("Getting info on %s", search_path)); @@ -348,6 +349,7 @@ int cifs_get_inode_info(struct inode **pinode, pfindData, cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); + adjustTZ = TRUE; } } @@ -444,6 +446,10 @@ int cifs_get_inode_info(struct inode **pinode, inode->i_ctime = cifs_NTtimeToUnix(le64_to_cpu(pfindData->ChangeTime)); cFYI(0, ("Attributes came in as 0x%x", attr)); + if(adjustTZ && (pTcon->ses) && (pTcon->ses->server)) { + inode->i_ctime.tv_sec += pTcon->ses->server->timeAdj; + inode->i_mtime.tv_sec += pTcon->ses->server->timeAdj; + } /* set default mode. will override for dirs below */ if (atomic_read(&cifsInfo->inUse) == 0) diff --git a/fs/cifs/link.c b/fs/cifs/link.c index 0bee8b7..8e25996 100644 --- a/fs/cifs/link.c +++ b/fs/cifs/link.c @@ -69,17 +69,30 @@ cifs_hardlink(struct dentry *old_file, struct inode *inode, rc = -EOPNOTSUPP; } -/* if (!rc) */ - { - /* renew_parental_timestamps(old_file); - inode->i_nlink++; - mark_inode_dirty(inode); - d_instantiate(direntry, inode); */ - /* BB add call to either mark inode dirty or refresh its data and timestamp to current time */ + d_drop(direntry); /* force new lookup from server of target */ + + /* if source file is cached (oplocked) revalidate will not go to server + until the file is closed or oplock broken so update nlinks locally */ + if(old_file->d_inode) { + cifsInode = CIFS_I(old_file->d_inode); + if(rc == 0) { + old_file->d_inode->i_nlink++; + old_file->d_inode->i_ctime = CURRENT_TIME; + /* parent dir timestamps will update from srv + within a second, would it really be worth it + to set the parent dir cifs inode time to zero + to force revalidate (faster) for it too? */ + } + /* if not oplocked will force revalidate to get info + on source file from srv */ + cifsInode->time = 0; + + /* Will update parent dir timestamps from srv within a second. + Would it really be worth it to set the parent dir (cifs + inode) time field to zero to force revalidate on parent + directory faster ie + CIFS_I(inode)->time = 0; */ } - d_drop(direntry); /* force new lookup from server */ - cifsInode = CIFS_I(old_file->d_inode); - cifsInode->time = 0; /* will force revalidate to go get info when needed */ cifs_hl_exit: kfree(fromName); diff --git a/fs/jfs/jfs_filsys.h b/fs/jfs/jfs_filsys.h index 9901928..eb550b3 100644 --- a/fs/jfs/jfs_filsys.h +++ b/fs/jfs/jfs_filsys.h @@ -81,7 +81,7 @@ #define JFS_SWAP_BYTES 0x00100000 /* running on big endian computer */ /* Directory index */ -#define JFS_DIR_INDEX 0x00200000 /* Persistant index for */ +#define JFS_DIR_INDEX 0x00200000 /* Persistent index for */ /* directory entries */ diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index 85ce232..ac93174 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -1464,7 +1464,7 @@ static int flush_journal_list(struct super_block *s, } /* if someone has this block in a newer transaction, just make - ** sure they are commited, and don't try writing it to disk + ** sure they are committed, and don't try writing it to disk */ if (pjl) { if (atomic_read(&pjl->j_commit_left)) @@ -3384,7 +3384,7 @@ static int remove_from_transaction(struct super_block *p_s_sb, /* ** for any cnode in a journal list, it can only be dirtied of all the -** transactions that include it are commited to disk. +** transactions that include it are committed to disk. ** this checks through each transaction, and returns 1 if you are allowed to dirty, ** and 0 if you aren't ** @@ -3426,7 +3426,7 @@ static int can_dirty(struct reiserfs_journal_cnode *cn) } /* syncs the commit blocks, but does not force the real buffers to disk -** will wait until the current transaction is done/commited before returning +** will wait until the current transaction is done/committed before returning */ int journal_end_sync(struct reiserfs_transaction_handle *th, struct super_block *p_s_sb, unsigned long nblocks) diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index 3aa3434..a5782e8 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -372,6 +372,51 @@ int sysfs_rename_dir(struct kobject * kobj, const char *new_name) return error; } +int sysfs_move_dir(struct kobject *kobj, struct kobject *new_parent) +{ + struct dentry *old_parent_dentry, *new_parent_dentry, *new_dentry; + struct sysfs_dirent *new_parent_sd, *sd; + int error; + + if (!new_parent) + return -EINVAL; + + old_parent_dentry = kobj->parent ? + kobj->parent->dentry : sysfs_mount->mnt_sb->s_root; + new_parent_dentry = new_parent->dentry; + +again: + mutex_lock(&old_parent_dentry->d_inode->i_mutex); + if (!mutex_trylock(&new_parent_dentry->d_inode->i_mutex)) { + mutex_unlock(&old_parent_dentry->d_inode->i_mutex); + goto again; + } + + new_parent_sd = new_parent_dentry->d_fsdata; + sd = kobj->dentry->d_fsdata; + + new_dentry = lookup_one_len(kobj->name, new_parent_dentry, + strlen(kobj->name)); + if (IS_ERR(new_dentry)) { + error = PTR_ERR(new_dentry); + goto out; + } else + error = 0; + d_add(new_dentry, NULL); + d_move(kobj->dentry, new_dentry); + dput(new_dentry); + + /* Remove from old parent's list and insert into new parent's list. */ + list_del_init(&sd->s_sibling); + list_add(&sd->s_sibling, &new_parent_sd->s_children); + +out: + mutex_unlock(&new_parent_dentry->d_inode->i_mutex); + mutex_unlock(&old_parent_dentry->d_inode->i_mutex); + + return error; +} + static int sysfs_dir_open(struct inode *inode, struct file *file) { struct dentry * dentry = file->f_dentry; diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c index 298303b..95c1651 100644 --- a/fs/sysfs/file.c +++ b/fs/sysfs/file.c @@ -190,6 +190,9 @@ fill_write_buffer(struct sysfs_buffer * buffer, const char __user * buf, size_t count = PAGE_SIZE - 1; error = copy_from_user(buffer->page,buf,count); buffer->needs_read_fill = 1; + /* if buf is assumed to contain a string, terminate it by \0, + so e.g. sscanf() can scan the string easily */ + buffer->page[count] = 0; return error ? -EFAULT : count; } diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index f338e40..fdd1095 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -357,7 +357,7 @@ struct device *acpi_get_physical_device(acpi_handle); /* helper */ acpi_handle acpi_get_child(acpi_handle, acpi_integer); acpi_handle acpi_get_pci_rootbridge_handle(unsigned int, unsigned int); -#define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)((dev)->firmware_data)) +#define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)((dev)->archdata.acpi_handle)) #endif /* CONFIG_ACPI */ diff --git a/include/asm-alpha/device.h b/include/asm-alpha/device.h new file mode 100644 index 0000000..d8f9872 --- /dev/null +++ b/include/asm-alpha/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/include/asm-arm/device.h b/include/asm-arm/device.h new file mode 100644 index 0000000..d8f9872 --- /dev/null +++ b/include/asm-arm/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/include/asm-arm26/device.h b/include/asm-arm26/device.h new file mode 100644 index 0000000..d8f9872 --- /dev/null +++ b/include/asm-arm26/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/include/asm-avr32/device.h b/include/asm-avr32/device.h new file mode 100644 index 0000000..d8f9872 --- /dev/null +++ b/include/asm-avr32/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/include/asm-cris/device.h b/include/asm-cris/device.h new file mode 100644 index 0000000..d8f9872 --- /dev/null +++ b/include/asm-cris/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/include/asm-frv/device.h b/include/asm-frv/device.h new file mode 100644 index 0000000..d8f9872 --- /dev/null +++ b/include/asm-frv/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/include/asm-generic/device.h b/include/asm-generic/device.h new file mode 100644 index 0000000..c17c960 --- /dev/null +++ b/include/asm-generic/device.h @@ -0,0 +1,12 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#ifndef _ASM_GENERIC_DEVICE_H +#define _ASM_GENERIC_DEVICE_H + +struct dev_archdata { +}; + +#endif /* _ASM_GENERIC_DEVICE_H */ diff --git a/include/asm-h8300/device.h b/include/asm-h8300/device.h new file mode 100644 index 0000000..d8f9872 --- /dev/null +++ b/include/asm-h8300/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/include/asm-i386/device.h b/include/asm-i386/device.h new file mode 100644 index 0000000..849604c --- /dev/null +++ b/include/asm-i386/device.h @@ -0,0 +1,15 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#ifndef _ASM_I386_DEVICE_H +#define _ASM_I386_DEVICE_H + +struct dev_archdata { +#ifdef CONFIG_ACPI + void *acpi_handle; +#endif +}; + +#endif /* _ASM_I386_DEVICE_H */ diff --git a/include/asm-ia64/device.h b/include/asm-ia64/device.h new file mode 100644 index 0000000..3db6daf --- /dev/null +++ b/include/asm-ia64/device.h @@ -0,0 +1,15 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#ifndef _ASM_IA64_DEVICE_H +#define _ASM_IA64_DEVICE_H + +struct dev_archdata { +#ifdef CONFIG_ACPI + void *acpi_handle; +#endif +}; + +#endif /* _ASM_IA64_DEVICE_H */ diff --git a/include/asm-ia64/io.h b/include/asm-ia64/io.h index 855c30a..6311e16 100644 --- a/include/asm-ia64/io.h +++ b/include/asm-ia64/io.h @@ -32,7 +32,7 @@ */ #define IO_SPACE_LIMIT 0xffffffffffffffffUL -#define MAX_IO_SPACES_BITS 4 +#define MAX_IO_SPACES_BITS 8 #define MAX_IO_SPACES (1UL << MAX_IO_SPACES_BITS) #define IO_SPACE_BITS 24 #define IO_SPACE_SIZE (1UL << IO_SPACE_BITS) diff --git a/include/asm-ia64/machvec.h b/include/asm-ia64/machvec.h index 7ffbddf..8f784f8 100644 --- a/include/asm-ia64/machvec.h +++ b/include/asm-ia64/machvec.h @@ -36,6 +36,7 @@ typedef int ia64_mv_pci_legacy_read_t (struct pci_bus *, u16 port, u32 *val, typedef int ia64_mv_pci_legacy_write_t (struct pci_bus *, u16 port, u32 val, u8 size); typedef void ia64_mv_migrate_t(struct task_struct * task); +typedef void ia64_mv_pci_fixup_bus_t (struct pci_bus *); /* DMA-mapping interface: */ typedef void ia64_mv_dma_init (void); @@ -95,6 +96,11 @@ machvec_noop_task (struct task_struct *task) { } +static inline void +machvec_noop_bus (struct pci_bus *bus) +{ +} + extern void machvec_setup (char **); extern void machvec_timer_interrupt (int, void *); extern void machvec_dma_sync_single (struct device *, dma_addr_t, size_t, int); @@ -159,6 +165,7 @@ extern void machvec_tlb_migrate_finish (struct mm_struct *); # define platform_migrate ia64_mv.migrate # define platform_setup_msi_irq ia64_mv.setup_msi_irq # define platform_teardown_msi_irq ia64_mv.teardown_msi_irq +# define platform_pci_fixup_bus ia64_mv.pci_fixup_bus # endif /* __attribute__((__aligned__(16))) is required to make size of the @@ -210,6 +217,7 @@ struct ia64_machine_vector { ia64_mv_migrate_t *migrate; ia64_mv_setup_msi_irq_t *setup_msi_irq; ia64_mv_teardown_msi_irq_t *teardown_msi_irq; + ia64_mv_pci_fixup_bus_t *pci_fixup_bus; } __attribute__((__aligned__(16))); /* align attrib? see above comment */ #define MACHVEC_INIT(name) \ @@ -257,6 +265,7 @@ struct ia64_machine_vector { platform_migrate, \ platform_setup_msi_irq, \ platform_teardown_msi_irq, \ + platform_pci_fixup_bus, \ } extern struct ia64_machine_vector ia64_mv; @@ -416,5 +425,8 @@ extern int ia64_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size #ifndef platform_teardown_msi_irq # define platform_teardown_msi_irq ((ia64_mv_teardown_msi_irq_t*)NULL) #endif +#ifndef platform_pci_fixup_bus +# define platform_pci_fixup_bus machvec_noop_bus +#endif #endif /* _ASM_IA64_MACHVEC_H */ diff --git a/include/asm-ia64/machvec_sn2.h b/include/asm-ia64/machvec_sn2.h index c54b165..83325f6 100644 --- a/include/asm-ia64/machvec_sn2.h +++ b/include/asm-ia64/machvec_sn2.h @@ -69,6 +69,7 @@ extern ia64_mv_dma_supported sn_dma_supported; extern ia64_mv_migrate_t sn_migrate; extern ia64_mv_setup_msi_irq_t sn_setup_msi_irq; extern ia64_mv_teardown_msi_irq_t sn_teardown_msi_irq; +extern ia64_mv_pci_fixup_bus_t sn_pci_fixup_bus; /* @@ -127,6 +128,7 @@ extern ia64_mv_teardown_msi_irq_t sn_teardown_msi_irq; #define platform_setup_msi_irq ((ia64_mv_setup_msi_irq_t*)NULL) #define platform_teardown_msi_irq ((ia64_mv_teardown_msi_irq_t*)NULL) #endif +#define platform_pci_fixup_bus sn_pci_fixup_bus #include <asm/sn/io.h> diff --git a/include/asm-ia64/pci.h b/include/asm-ia64/pci.h index ef616fd..825eb7d 100644 --- a/include/asm-ia64/pci.h +++ b/include/asm-ia64/pci.h @@ -26,16 +26,18 @@ void pcibios_config_init(void); struct pci_dev; /* - * PCI_DMA_BUS_IS_PHYS should be set to 1 if there is _necessarily_ a direct correspondence - * between device bus addresses and CPU physical addresses. Platforms with a hardware I/O - * MMU _must_ turn this off to suppress the bounce buffer handling code in the block and - * network device layers. Platforms with separate bus address spaces _must_ turn this off - * and provide a device DMA mapping implementation that takes care of the necessary + * PCI_DMA_BUS_IS_PHYS should be set to 1 if there is _necessarily_ a direct + * correspondence between device bus addresses and CPU physical addresses. + * Platforms with a hardware I/O MMU _must_ turn this off to suppress the + * bounce buffer handling code in the block and network device layers. + * Platforms with separate bus address spaces _must_ turn this off and provide + * a device DMA mapping implementation that takes care of the necessary * address translation. * - * For now, the ia64 platforms which may have separate/multiple bus address spaces all - * have I/O MMUs which support the merging of physically discontiguous buffers, so we can - * use that as the sole factor to determine the setting of PCI_DMA_BUS_IS_PHYS. + * For now, the ia64 platforms which may have separate/multiple bus address + * spaces all have I/O MMUs which support the merging of physically + * discontiguous buffers, so we can use that as the sole factor to determine + * the setting of PCI_DMA_BUS_IS_PHYS. */ extern unsigned long ia64_max_iommu_merge_mask; #define PCI_DMA_BUS_IS_PHYS (ia64_max_iommu_merge_mask == ~0UL) @@ -52,9 +54,6 @@ pcibios_penalize_isa_irq (int irq, int active) /* We don't do dynamic PCI IRQ allocation */ } -#define HAVE_ARCH_PCI_MWI 1 -extern int pcibios_prep_mwi (struct pci_dev *); - #include <asm-generic/pci-dma-compat.h> /* pci_unmap_{single,page} is not a nop, thus... */ diff --git a/include/asm-ia64/sn/acpi.h b/include/asm-ia64/sn/acpi.h new file mode 100644 index 0000000..2850a7e --- /dev/null +++ b/include/asm-ia64/sn/acpi.h @@ -0,0 +1,16 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2006 Silicon Graphics, Inc. All rights reserved. + */ + +#ifndef _ASM_IA64_SN_ACPI_H +#define _ASM_IA64_SN_ACPI_H + +#include "acpi/acglobal.h" + +#define SN_ACPI_BASE_SUPPORT() (acpi_gbl_DSDT->oem_revision >= 0x20101) + +#endif /* _ASM_IA64_SN_ACPI_H */ diff --git a/include/asm-ia64/sn/pcidev.h b/include/asm-ia64/sn/pcidev.h index eac3561..9fe89a9 100644 --- a/include/asm-ia64/sn/pcidev.h +++ b/include/asm-ia64/sn/pcidev.h @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1992 - 1997, 2000-2005 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 1992 - 1997, 2000-2006 Silicon Graphics, Inc. All rights reserved. */ #ifndef _ASM_IA64_SN_PCI_PCIDEV_H #define _ASM_IA64_SN_PCI_PCIDEV_H @@ -12,31 +12,29 @@ /* * In ia64, pci_dev->sysdata must be a *pci_controller. To provide access to - * the pcidev_info structs for all devices under a controller, we extend the - * definition of pci_controller, via sn_pci_controller, to include a list - * of pcidev_info. + * the pcidev_info structs for all devices under a controller, we keep a + * list of pcidev_info under pci_controller->platform_data. */ -struct sn_pci_controller { - struct pci_controller pci_controller; +struct sn_platform_data { + void *provider_soft; struct list_head pcidev_info; }; -#define SN_PCI_CONTROLLER(dev) ((struct sn_pci_controller *) dev->sysdata) +#define SN_PLATFORM_DATA(busdev) \ + ((struct sn_platform_data *)(PCI_CONTROLLER(busdev)->platform_data)) #define SN_PCIDEV_INFO(dev) sn_pcidev_info_get(dev) -#define SN_PCIBUS_BUSSOFT_INFO(pci_bus) \ - (struct pcibus_info *)((struct pcibus_bussoft *)(PCI_CONTROLLER((pci_bus))->platform_data)) /* * Given a pci_bus, return the sn pcibus_bussoft struct. Note that * this only works for root busses, not for busses represented by PPB's. */ #define SN_PCIBUS_BUSSOFT(pci_bus) \ - ((struct pcibus_bussoft *)(PCI_CONTROLLER((pci_bus))->platform_data)) + ((struct pcibus_bussoft *)(SN_PLATFORM_DATA(pci_bus)->provider_soft)) #define SN_PCIBUS_BUSSOFT_INFO(pci_bus) \ - (struct pcibus_info *)((struct pcibus_bussoft *)(PCI_CONTROLLER((pci_bus))->platform_data)) + ((struct pcibus_info *)(SN_PLATFORM_DATA(pci_bus)->provider_soft)) /* * Given a struct pci_dev, return the sn pcibus_bussoft struct. Note * that this is not equivalent to SN_PCIBUS_BUSSOFT(pci_dev->bus) due @@ -72,8 +70,6 @@ extern void sn_irq_fixup(struct pci_dev *pci_dev, struct sn_irq_info *sn_irq_info); extern void sn_irq_unfixup(struct pci_dev *pci_dev); extern struct pcidev_info * sn_pcidev_info_get(struct pci_dev *); -extern void sn_pci_controller_fixup(int segment, int busnum, - struct pci_bus *bus); extern void sn_bus_store_sysdata(struct pci_dev *dev); extern void sn_bus_free_sysdata(void); extern void sn_generate_path(struct pci_bus *pci_bus, char *address); diff --git a/include/asm-ia64/sn/sn_feature_sets.h b/include/asm-ia64/sn/sn_feature_sets.h index 30dcfa4..bfdc362 100644 --- a/include/asm-ia64/sn/sn_feature_sets.h +++ b/include/asm-ia64/sn/sn_feature_sets.h @@ -44,8 +44,14 @@ extern int sn_prom_feature_available(int id); * Once enabled, a feature cannot be disabled. * * By default, features are disabled unless explicitly enabled. + * + * These defines must be kept in sync with the corresponding + * PROM definitions in feature_sets.h. */ #define OSF_MCA_SLV_TO_OS_INIT_SLV 0 #define OSF_FEAT_LOG_SBES 1 +#define OSF_ACPI_ENABLE 2 +#define OSF_PCISEGMENT_ENABLE 3 + #endif /* _ASM_IA64_SN_FEATURE_SETS_H */ diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h index ba826b3..be5d83a 100644 --- a/include/asm-ia64/sn/sn_sal.h +++ b/include/asm-ia64/sn/sn_sal.h @@ -77,6 +77,7 @@ #define SN_SAL_IOIF_GET_WIDGET_DMAFLUSH_LIST 0x02000058 // deprecated #define SN_SAL_IOIF_GET_DEVICE_DMAFLUSH_LIST 0x0200005a +#define SN_SAL_IOIF_INIT 0x0200005f #define SN_SAL_HUB_ERROR_INTERRUPT 0x02000060 #define SN_SAL_BTE_RECOVER 0x02000061 #define SN_SAL_RESERVED_DO_NOT_USE 0x02000062 diff --git a/include/asm-m32r/device.h b/include/asm-m32r/device.h new file mode 100644 index 0000000..d8f9872 --- /dev/null +++ b/include/asm-m32r/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/include/asm-m68k/device.h b/include/asm-m68k/device.h new file mode 100644 index 0000000..d8f9872 --- /dev/null +++ b/include/asm-m68k/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/include/asm-m68knommu/device.h b/include/asm-m68knommu/device.h new file mode 100644 index 0000000..d8f9872 --- /dev/null +++ b/include/asm-m68knommu/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/include/asm-m68knommu/mcfmbus.h b/include/asm-m68knommu/mcfmbus.h index 13df9d4..319899c 100644 --- a/include/asm-m68knommu/mcfmbus.h +++ b/include/asm-m68knommu/mcfmbus.h @@ -37,7 +37,7 @@ #define MCFMBUS_MFDR_MBC(a) ((a)&0x3F) /*M-Bus Clock*/ /* -* Define bit flags in Controll Register +* Define bit flags in Control Register */ #define MCFMBUS_MBCR_MEN (0x80) /* M-Bus Enable */ diff --git a/include/asm-mips/device.h b/include/asm-mips/device.h new file mode 100644 index 0000000..d8f9872 --- /dev/null +++ b/include/asm-mips/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/include/asm-parisc/device.h b/include/asm-parisc/device.h new file mode 100644 index 0000000..d8f9872 --- /dev/null +++ b/include/asm-parisc/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/include/asm-parisc/dma.h b/include/asm-parisc/dma.h index da2cf37..31ad0f0 100644 --- a/include/asm-parisc/dma.h +++ b/include/asm-parisc/dma.h @@ -17,10 +17,10 @@ /* ** DMA_CHUNK_SIZE is used by the SCSI mid-layer to break up -** (or rather not merge) DMA's into managable chunks. +** (or rather not merge) DMAs into manageable chunks. ** On parisc, this is more of the software/tuning constraint -** rather than the HW. I/O MMU allocation alogorithms can be -** faster with smaller size is (to some degree). +** rather than the HW. I/O MMU allocation algorithms can be +** faster with smaller sizes (to some degree). */ #define DMA_CHUNK_SIZE (BITS_PER_LONG*PAGE_SIZE) diff --git a/include/asm-parisc/pci.h b/include/asm-parisc/pci.h index 7b8ad11..7b3be9a 100644 --- a/include/asm-parisc/pci.h +++ b/include/asm-parisc/pci.h @@ -149,7 +149,7 @@ extern int parisc_bus_is_phys; /* in arch/parisc/kernel/setup.c */ /* ** Most PCI devices (eg Tulip, NCR720) also export the same registers ** to both MMIO and I/O port space. Due to poor performance of I/O Port -** access under HP PCI bus adapters, strongly reccomend use of MMIO +** access under HP PCI bus adapters, strongly recommend the use of MMIO ** address space. ** ** While I'm at it more PA programming notes: diff --git a/include/asm-parisc/ropes.h b/include/asm-parisc/ropes.h index 5542dd0..007a8806 100644 --- a/include/asm-parisc/ropes.h +++ b/include/asm-parisc/ropes.h @@ -14,7 +14,7 @@ #endif /* -** The number of pdir entries to "free" before issueing +** The number of pdir entries to "free" before issuing ** a read to PCOM register to flush out PCOM writes. ** Interacts with allocation granularity (ie 4 or 8 entries ** allocated and free'd/purged at a time might make this diff --git a/include/asm-powerpc/device.h b/include/asm-powerpc/device.h new file mode 100644 index 0000000..d8f9872 --- /dev/null +++ b/include/asm-powerpc/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/include/asm-powerpc/pci.h b/include/asm-powerpc/pci.h index 46afd29..721c97f0 100644 --- a/include/asm-powerpc/pci.h +++ b/include/asm-powerpc/pci.h @@ -62,19 +62,13 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) } #ifdef CONFIG_PPC64 -#define HAVE_ARCH_PCI_MWI 1 -static inline int pcibios_prep_mwi(struct pci_dev *dev) -{ - /* - * We would like to avoid touching the cacheline size or MWI bit - * but we cant do that with the current pcibios_prep_mwi - * interface. pSeries firmware sets the cacheline size (which is not - * the cpu cacheline size in all cases) and hardware treats MWI - * the same as memory write. So we dont touch the cacheline size - * here and allow the generic code to set the MWI bit. - */ - return 0; -} + +/* + * We want to avoid touching the cacheline size or MWI bit. + * pSeries firmware sets the cacheline size (which is not the cpu cacheline + * size in all cases) and hardware treats MWI the same as memory write. + */ +#define PCI_DISABLE_MWI extern struct dma_mapping_ops pci_dma_ops; diff --git a/include/asm-ppc/device.h b/include/asm-ppc/device.h new file mode 100644 index 0000000..d8f9872 --- /dev/null +++ b/include/asm-ppc/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/include/asm-s390/device.h b/include/asm-s390/device.h new file mode 100644 index 0000000..d8f9872 --- /dev/null +++ b/include/asm-s390/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/include/asm-sh/device.h b/include/asm-sh/device.h new file mode 100644 index 0000000..d8f9872 --- /dev/null +++ b/include/asm-sh/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/include/asm-sh64/device.h b/include/asm-sh64/device.h new file mode 100644 index 0000000..d8f9872 --- /dev/null +++ b/include/asm-sh64/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/include/asm-sparc/device.h b/include/asm-sparc/device.h new file mode 100644 index 0000000..d8f9872 --- /dev/null +++ b/include/asm-sparc/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/include/asm-sparc64/device.h b/include/asm-sparc64/device.h new file mode 100644 index 0000000..d8f9872 --- /dev/null +++ b/include/asm-sparc64/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/include/asm-sparc64/pci.h b/include/asm-sparc64/pci.h index e1ea67b..ca65602 100644 --- a/include/asm-sparc64/pci.h +++ b/include/asm-sparc64/pci.h @@ -18,6 +18,8 @@ #define PCI_IRQ_NONE 0xffffffff +#define PCI_CACHE_LINE_BYTES 64 + static inline void pcibios_set_master(struct pci_dev *dev) { /* No special bus mastering setup handling */ @@ -291,10 +293,6 @@ extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine); -/* Platform specific MWI support. */ -#define HAVE_ARCH_PCI_MWI -extern int pcibios_prep_mwi(struct pci_dev *dev); - extern void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, struct resource *res); diff --git a/include/asm-um/device.h b/include/asm-um/device.h new file mode 100644 index 0000000..d8f9872 --- /dev/null +++ b/include/asm-um/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/include/asm-v850/device.h b/include/asm-v850/device.h new file mode 100644 index 0000000..d8f9872 --- /dev/null +++ b/include/asm-v850/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/include/asm-x86_64/device.h b/include/asm-x86_64/device.h new file mode 100644 index 0000000..3afa03f --- /dev/null +++ b/include/asm-x86_64/device.h @@ -0,0 +1,15 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#ifndef _ASM_X86_64_DEVICE_H +#define _ASM_X86_64_DEVICE_H + +struct dev_archdata { +#ifdef CONFIG_ACPI + void *acpi_handle; +#endif +}; + +#endif /* _ASM_X86_64_DEVICE_H */ diff --git a/include/asm-xtensa/device.h b/include/asm-xtensa/device.h new file mode 100644 index 0000000..d8f9872 --- /dev/null +++ b/include/asm-xtensa/device.h @@ -0,0 +1,7 @@ +/* + * Arch specific extensions to struct device + * + * This file is released under the GPLv2 + */ +#include <asm-generic/device.h> + diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 7bfcde2..e1c7286 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -678,10 +678,11 @@ extern void __blk_stop_queue(request_queue_t *q); extern void blk_run_queue(request_queue_t *); extern void blk_start_queueing(request_queue_t *); extern void blk_queue_activity_fn(request_queue_t *, activity_fn *, void *); -extern int blk_rq_map_user(request_queue_t *, struct request *, void __user *, unsigned int); -extern int blk_rq_unmap_user(struct bio *, unsigned int); +extern int blk_rq_map_user(request_queue_t *, struct request *, void __user *, unsigned long); +extern int blk_rq_unmap_user(struct request *); extern int blk_rq_map_kern(request_queue_t *, struct request *, void *, unsigned int, gfp_t); -extern int blk_rq_map_user_iov(request_queue_t *, struct request *, struct sg_iovec *, int); +extern int blk_rq_map_user_iov(request_queue_t *, struct request *, + struct sg_iovec *, int, unsigned int); extern int blk_execute_rq(request_queue_t *, struct gendisk *, struct request *, int); extern void blk_execute_rq_nowait(request_queue_t *, struct gendisk *, diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index b99a714..3680ff9 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h @@ -50,6 +50,15 @@ enum blktrace_act { }; /* + * Notify events. + */ +enum blktrace_notify { + __BLK_TN_PROCESS = 0, /* establish pid/name mapping */ + __BLK_TN_TIMESTAMP, /* include system clock */ +}; + + +/* * Trace actions in full. Additionally, read or write is masked */ #define BLK_TA_QUEUE (__BLK_TA_QUEUE | BLK_TC_ACT(BLK_TC_QUEUE)) @@ -68,6 +77,9 @@ enum blktrace_act { #define BLK_TA_BOUNCE (__BLK_TA_BOUNCE) #define BLK_TA_REMAP (__BLK_TA_REMAP | BLK_TC_ACT(BLK_TC_QUEUE)) +#define BLK_TN_PROCESS (__BLK_TN_PROCESS | BLK_TC_ACT(BLK_TC_NOTIFY)) +#define BLK_TN_TIMESTAMP (__BLK_TN_TIMESTAMP | BLK_TC_ACT(BLK_TC_NOTIFY)) + #define BLK_IO_TRACE_MAGIC 0x65617400 #define BLK_IO_TRACE_VERSION 0x07 diff --git a/include/linux/device.h b/include/linux/device.h index 9d4f6a9..583a341 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -21,6 +21,7 @@ #include <linux/pm.h> #include <asm/semaphore.h> #include <asm/atomic.h> +#include <asm/device.h> #define DEVICE_NAME_SIZE 50 #define DEVICE_NAME_HALF __stringify(20) /* Less than half to accommodate slop */ @@ -42,6 +43,8 @@ struct bus_type { struct klist klist_devices; struct klist klist_drivers; + struct blocking_notifier_head bus_notifier; + struct bus_attribute * bus_attrs; struct device_attribute * dev_attrs; struct driver_attribute * drv_attrs; @@ -75,6 +78,29 @@ int __must_check bus_for_each_drv(struct bus_type *bus, struct device_driver *start, void *data, int (*fn)(struct device_driver *, void *)); +/* + * Bus notifiers: Get notified of addition/removal of devices + * and binding/unbinding of drivers to devices. + * In the long run, it should be a replacement for the platform + * notify hooks. + */ +struct notifier_block; + +extern int bus_register_notifier(struct bus_type *bus, + struct notifier_block *nb); +extern int bus_unregister_notifier(struct bus_type *bus, + struct notifier_block *nb); + +/* All 4 notifers below get called with the target struct device * + * as an argument. Note that those functions are likely to be called + * with the device semaphore held in the core, so be careful. + */ +#define BUS_NOTIFY_ADD_DEVICE 0x00000001 /* device added */ +#define BUS_NOTIFY_DEL_DEVICE 0x00000002 /* device removed */ +#define BUS_NOTIFY_BOUND_DRIVER 0x00000003 /* driver bound to device */ +#define BUS_NOTIFY_UNBIND_DRIVER 0x00000004 /* driver about to be + unbound */ + /* driverfs interface for exporting bus attributes */ struct bus_attribute { @@ -343,8 +369,6 @@ struct device { void *driver_data; /* data private to the driver */ void *platform_data; /* Platform specific data, device core doesn't touch it */ - void *firmware_data; /* Firmware specific data (e.g. ACPI, - BIOS data),reserved for device core*/ struct dev_pm_info power; u64 *dma_mask; /* dma mask (if dma'able device) */ @@ -358,6 +382,8 @@ struct device { struct dma_coherent_mem *dma_mem; /* internal for coherent mem override */ + /* arch specific additions */ + struct dev_archdata archdata; /* class_device migration path */ struct list_head node; @@ -395,7 +421,10 @@ extern int __must_check device_add(struct device * dev); extern void device_del(struct device * dev); extern int device_for_each_child(struct device *, void *, int (*fn)(struct device *, void *)); +extern struct device *device_find_child(struct device *, void *data, + int (*match)(struct device *, void *)); extern int device_rename(struct device *dev, char *new_name); +extern int device_move(struct device *dev, struct device *new_parent); /* * Manual binding of a device to driver. See drivers/base/bus.c @@ -415,8 +444,6 @@ extern struct device *device_create(struct class *cls, struct device *parent, __attribute__((format(printf,4,5))); extern void device_destroy(struct class *cls, dev_t devt); -extern int virtual_device_parent(struct device *dev); - /* * Platform "fixup" functions - allow the platform to have their say * about devices and actions that the general device layer doesn't diff --git a/include/linux/elevator.h b/include/linux/elevator.h index 2fa9f11..a24931d 100644 --- a/include/linux/elevator.h +++ b/include/linux/elevator.h @@ -21,11 +21,11 @@ typedef void (elevator_completed_req_fn) (request_queue_t *, struct request *); typedef int (elevator_may_queue_fn) (request_queue_t *, int); typedef int (elevator_set_req_fn) (request_queue_t *, struct request *, gfp_t); -typedef void (elevator_put_req_fn) (request_queue_t *, struct request *); +typedef void (elevator_put_req_fn) (struct request *); typedef void (elevator_activate_req_fn) (request_queue_t *, struct request *); typedef void (elevator_deactivate_req_fn) (request_queue_t *, struct request *); -typedef void *(elevator_init_fn) (request_queue_t *, elevator_t *); +typedef void *(elevator_init_fn) (request_queue_t *); typedef void (elevator_exit_fn) (elevator_t *); struct elevator_ops diff --git a/include/linux/fb.h b/include/linux/fb.h index 3e69241..fa23e06 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -774,8 +774,8 @@ struct fb_info { #endif struct fb_ops *fbops; - struct device *device; - struct class_device *class_device; /* sysfs per device attrs */ + struct device *device; /* This is the parent */ + struct device *dev; /* This is this fb device */ int class_flag; /* private sysfs flags */ #ifdef CONFIG_FB_TILEBLITTING struct fb_tile_ops *tileops; /* Tile Blitting */ @@ -910,8 +910,8 @@ static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, /* drivers/video/fbsysfs.c */ extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev); extern void framebuffer_release(struct fb_info *info); -extern int fb_init_class_device(struct fb_info *fb_info); -extern void fb_cleanup_class_device(struct fb_info *head); +extern int fb_init_device(struct fb_info *fb_info); +extern void fb_cleanup_device(struct fb_info *head); extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max); /* drivers/video/fbmon.c */ diff --git a/include/linux/ioport.h b/include/linux/ioport.h index d42c833..cf8696d 100644 --- a/include/linux/ioport.h +++ b/include/linux/ioport.h @@ -89,6 +89,7 @@ struct resource_list { #define IORESOURCE_ROM_ENABLE (1<<0) /* ROM is enabled, same as PCI_ROM_ADDRESS_ENABLE */ #define IORESOURCE_ROM_SHADOW (1<<1) /* ROM is copy at C000:0 */ #define IORESOURCE_ROM_COPY (1<<2) /* ROM is alloc'd copy, resource field overlaid */ +#define IORESOURCE_ROM_BIOS_COPY (1<<3) /* ROM is BIOS copy, resource field overlaid */ /* PC/ISA/whatever - the normal PC address spaces: IO and memory */ extern struct resource ioport_resource; diff --git a/include/linux/ixjuser.h b/include/linux/ixjuser.h index fd1756d..88b4589 100644 --- a/include/linux/ixjuser.h +++ b/include/linux/ixjuser.h @@ -315,7 +315,7 @@ typedef struct { * structures. If the freq0 variable is non-zero, the tone table contents * for the tone_index are updated to the frequencies and gains defined. It * should be noted that DTMF tones cannot be reassigned, so if DTMF tone -* table indexs are used in a cadence the frequency and gain variables will +* table indexes are used in a cadence the frequency and gain variables will * be ignored. * * If the array elements contain frequency parameters the driver will diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h index c8d5f20..0ec6e28 100644 --- a/include/linux/jiffies.h +++ b/include/linux/jiffies.h @@ -74,7 +74,7 @@ #define __jiffy_data __attribute__((section(".data"))) /* - * The 64-bit value is not volatile - you MUST NOT read it + * The 64-bit value is not atomic - you MUST NOT read it * without sampling the sequence number in xtime_lock. * get_jiffies_64() will do this for you as appropriate. */ diff --git a/include/linux/kernel.h b/include/linux/kernel.h index b9b5e4b..6738283 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -65,7 +65,7 @@ struct user; * context (spinlock, irq-handler, ...). * * This is a useful debugging help to be able to catch problems early and not - * be biten later when the calling function happens to sleep when it is not + * be bitten later when the calling function happens to sleep when it is not * supposed to. */ #ifdef CONFIG_PREEMPT_VOLUNTARY diff --git a/include/linux/kobject.h b/include/linux/kobject.h index bcd9cd1..d1c8d28 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -47,6 +47,7 @@ enum kobject_action { KOBJ_UMOUNT = (__force kobject_action_t) 0x05, /* umount event for block devices (broken) */ KOBJ_OFFLINE = (__force kobject_action_t) 0x06, /* device offline */ KOBJ_ONLINE = (__force kobject_action_t) 0x07, /* device online */ + KOBJ_MOVE = (__force kobject_action_t) 0x08, /* device move */ }; struct kobject { @@ -76,6 +77,7 @@ extern int __must_check kobject_add(struct kobject *); extern void kobject_del(struct kobject *); extern int __must_check kobject_rename(struct kobject *, const char *new_name); +extern int __must_check kobject_move(struct kobject *, struct kobject *); extern int __must_check kobject_register(struct kobject *); extern void kobject_unregister(struct kobject *); @@ -264,6 +266,8 @@ extern int __must_check subsys_create_file(struct subsystem * , #if defined(CONFIG_HOTPLUG) void kobject_uevent(struct kobject *kobj, enum kobject_action action); +void kobject_uevent_env(struct kobject *kobj, enum kobject_action action, + char *envp[]); int add_uevent_var(char **envp, int num_envp, int *cur_index, char *buffer, int buffer_size, int *cur_len, @@ -271,6 +275,10 @@ int add_uevent_var(char **envp, int num_envp, int *cur_index, __attribute__((format (printf, 7, 8))); #else static inline void kobject_uevent(struct kobject *kobj, enum kobject_action action) { } +static inline void kobject_uevent_env(struct kobject *kobj, + enum kobject_action action, + char *envp[]) +{ } static inline int add_uevent_var(char **envp, int num_envp, int *cur_index, char *buffer, int buffer_size, int *cur_len, diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h index b03cfb9..326da7d 100644 --- a/include/linux/miscdevice.h +++ b/include/linux/miscdevice.h @@ -31,15 +31,14 @@ #define HPET_MINOR 228 struct device; -struct class_device; struct miscdevice { int minor; const char *name; const struct file_operations *fops; struct list_head list; - struct device *dev; - struct class_device *class; + struct device *parent; + struct device *this_device; }; extern int misc_register(struct miscdevice * misc); diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 587264a..528e7d3 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -74,8 +74,8 @@ struct mmc_card; struct device; struct mmc_host { - struct device *dev; - struct class_device class_dev; + struct device *parent; + struct device class_dev; int index; const struct mmc_host_ops *ops; unsigned int f_min; @@ -125,8 +125,8 @@ static inline void *mmc_priv(struct mmc_host *host) return (void *)host->private; } -#define mmc_dev(x) ((x)->dev) -#define mmc_hostname(x) ((x)->class_dev.class_id) +#define mmc_dev(x) ((x)->parent) +#define mmc_hostname(x) ((x)->class_dev.bus_id) extern int mmc_suspend_host(struct mmc_host *, pm_message_t); extern int mmc_resume_host(struct mmc_host *); diff --git a/include/linux/module.h b/include/linux/module.h index d1d00ce..9258ffd 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -264,6 +264,7 @@ struct module struct module_attribute *modinfo_attrs; const char *version; const char *srcversion; + struct kobject *drivers_dir; /* Exported symbols */ const struct kernel_symbol *syms; diff --git a/include/linux/mqueue.h b/include/linux/mqueue.h index 8db9d75..8b5a796 100644 --- a/include/linux/mqueue.h +++ b/include/linux/mqueue.h @@ -18,8 +18,6 @@ #ifndef _LINUX_MQUEUE_H #define _LINUX_MQUEUE_H -#include <linux/types.h> - #define MQ_PRIO_MAX 32768 /* per-uid limit of kernel memory used by mqueue, in bytes */ #define MQ_BYTES_MAX 819200 diff --git a/include/linux/pci.h b/include/linux/pci.h index 09be0f8..01c7072 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -51,6 +51,7 @@ #include <linux/list.h> #include <linux/compiler.h> #include <linux/errno.h> +#include <asm/atomic.h> #include <linux/device.h> /* File state for mmap()s on /proc/bus/pci/X/Y */ @@ -159,7 +160,6 @@ struct pci_dev { unsigned int transparent:1; /* Transparent PCI bridge */ unsigned int multifunction:1;/* Part of multi-function device */ /* keep track of device state */ - unsigned int is_enabled:1; /* pci_enable_device has been called */ unsigned int is_busmaster:1; /* device is busmaster */ unsigned int no_msi:1; /* device may not use msi */ unsigned int no_d1d2:1; /* only allow d0 or d3 */ @@ -167,6 +167,7 @@ struct pci_dev { unsigned int broken_parity_status:1; /* Device generates false positive parity */ unsigned int msi_enabled:1; unsigned int msix_enabled:1; + atomic_t enable_cnt; /* pci_enable_device has been called */ u32 saved_config_space[16]; /* config space saved at suspend time */ struct hlist_head saved_cap_space; diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index fa4e1d7..e060a76 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -2211,6 +2211,13 @@ #define PCI_DEVICE_ID_INTEL_ICH8_4 0x2815 #define PCI_DEVICE_ID_INTEL_ICH8_5 0x283e #define PCI_DEVICE_ID_INTEL_ICH8_6 0x2850 +#define PCI_DEVICE_ID_INTEL_ICH9_0 0x2910 +#define PCI_DEVICE_ID_INTEL_ICH9_1 0x2911 +#define PCI_DEVICE_ID_INTEL_ICH9_2 0x2912 +#define PCI_DEVICE_ID_INTEL_ICH9_3 0x2913 +#define PCI_DEVICE_ID_INTEL_ICH9_4 0x2914 +#define PCI_DEVICE_ID_INTEL_ICH9_5 0x2915 +#define PCI_DEVICE_ID_INTEL_ICH9_6 0x2930 #define PCI_DEVICE_ID_INTEL_82855PM_HB 0x3340 #define PCI_DEVICE_ID_INTEL_82830_HB 0x3575 #define PCI_DEVICE_ID_INTEL_82830_CGC 0x3577 diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h index c321316..064b1dc 100644 --- a/include/linux/pci_regs.h +++ b/include/linux/pci_regs.h @@ -292,6 +292,12 @@ #define PCI_MSI_DATA_64 12 /* 16 bits of data for 64-bit devices */ #define PCI_MSI_MASK_BIT 16 /* Mask bits register */ +/* MSI-X registers (these are at offset PCI_MSI_FLAGS) */ +#define PCI_MSIX_FLAGS_QSIZE 0x7FF +#define PCI_MSIX_FLAGS_ENABLE (1 << 15) +#define PCI_MSIX_FLAGS_BIRMASK (7 << 0) +#define PCI_MSIX_FLAGS_BITMASK (1 << 0) + /* CompactPCI Hotswap Register */ #define PCI_CHSWP_CSR 2 /* Control and Status Register */ diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h index 29cd6de..20f47b8 100644 --- a/include/linux/platform_device.h +++ b/include/linux/platform_device.h @@ -58,6 +58,12 @@ struct platform_driver { extern int platform_driver_register(struct platform_driver *); extern void platform_driver_unregister(struct platform_driver *); +/* non-hotpluggable platform devices may use this so that probe() and + * its support may live in __init sections, conserving runtime memory. + */ +extern int platform_driver_probe(struct platform_driver *driver, + int (*probe)(struct platform_device *)); + #define platform_get_drvdata(_dev) dev_get_drvdata(&(_dev)->dev) #define platform_set_drvdata(_dev,data) dev_set_drvdata(&(_dev)->dev, (data)) diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h index 73e0bec..62a7169 100644 --- a/include/linux/reiserfs_fs_sb.h +++ b/include/linux/reiserfs_fs_sb.h @@ -429,7 +429,7 @@ enum reiserfs_mount_options { /* -o hash={tea, rupasov, r5, detect} is meant for properly mounting ** reiserfs disks from 3.5.19 or earlier. 99% of the time, this option ** is not required. If the normal autodection code can't determine which -** hash to use (because both hases had the same value for a file) +** hash to use (because both hashes had the same value for a file) ** use this option to force a specific hash. It won't allow you to override ** the existing hash on the FS, so if you have a tea hash disk, and mount ** with -o hash=rupasov, the mount will fail. diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index 6d5c43d..2129d1b 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -97,6 +97,9 @@ extern int __must_check sysfs_rename_dir(struct kobject *, const char *new_name); extern int __must_check +sysfs_move_dir(struct kobject *, struct kobject *); + +extern int __must_check sysfs_create_file(struct kobject *, const struct attribute *); extern int __must_check @@ -142,6 +145,11 @@ static inline int sysfs_rename_dir(struct kobject * k, const char *new_name) return 0; } +static inline int sysfs_move_dir(struct kobject * k, struct kobject * new_parent) +{ + return 0; +} + static inline int sysfs_create_file(struct kobject * k, const struct attribute * a) { return 0; diff --git a/include/linux/textsearch.h b/include/linux/textsearch.h index 7dac8f0..004808a 100644 --- a/include/linux/textsearch.h +++ b/include/linux/textsearch.h @@ -20,7 +20,7 @@ struct ts_config; /** * struct ts_state - search state * @offset: offset for next match - * @cb: control buffer, for persistant variables of get_next_block() + * @cb: control buffer, for persistent variables of get_next_block() */ struct ts_state { @@ -71,7 +71,7 @@ struct ts_config * Called repeatedly until 0 is returned. Must assign the * head of the next block of data to &*dst and return the length * of the block or 0 if at the end. consumed == 0 indicates - * a new search. May store/read persistant values in state->cb. + * a new search. May store/read persistent values in state->cb. */ unsigned int (*get_next_block)(unsigned int consumed, const u8 **dst, diff --git a/include/linux/tty.h b/include/linux/tty.h index 44091c0..65321f9 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -276,9 +276,8 @@ extern int tty_register_ldisc(int disc, struct tty_ldisc *new_ldisc); extern int tty_unregister_ldisc(int disc); extern int tty_register_driver(struct tty_driver *driver); extern int tty_unregister_driver(struct tty_driver *driver); -extern struct class_device *tty_register_device(struct tty_driver *driver, - unsigned index, - struct device *dev); +extern struct device *tty_register_device(struct tty_driver *driver, + unsigned index, struct device *dev); extern void tty_unregister_device(struct tty_driver *driver, unsigned index); extern int tty_read_raw_data(struct tty_struct *tty, unsigned char *bufp, int buflen); diff --git a/include/sound/core.h b/include/sound/core.h index fa1ca01..a994bea 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -132,6 +132,7 @@ struct snd_card { int shutdown; /* this card is going down */ int free_on_last_close; /* free in context of file_release */ wait_queue_head_t shutdown_sleep; + struct device *parent; struct device *dev; #ifdef CONFIG_PM @@ -187,13 +188,14 @@ struct snd_minor { int device; /* device number */ const struct file_operations *f_ops; /* file operations */ void *private_data; /* private data for f_ops->open */ - struct class_device *class_dev; /* class device for sysfs */ + struct device *dev; /* device for sysfs */ }; /* sound.c */ extern int snd_major; extern int snd_ecards_limit; +extern struct class *sound_class; void snd_request_card(int card); @@ -203,7 +205,7 @@ int snd_register_device(int type, struct snd_card *card, int dev, int snd_unregister_device(int type, struct snd_card *card, int dev); void *snd_lookup_minor_data(unsigned int minor, int type); int snd_add_device_sysfs_file(int type, struct snd_card *card, int dev, - const struct class_device_attribute *attr); + struct device_attribute *attr); #ifdef CONFIG_SND_OSSEMUL int snd_register_oss_device(int type, struct snd_card *card, int dev, @@ -255,7 +257,7 @@ int snd_card_file_add(struct snd_card *card, struct file *file); int snd_card_file_remove(struct snd_card *card, struct file *file); #ifndef snd_card_set_dev -#define snd_card_set_dev(card,devptr) ((card)->dev = (devptr)) +#define snd_card_set_dev(card,devptr) ((card)->parent = (devptr)) #endif /* device.c */ diff --git a/init/Kconfig b/init/Kconfig index 176f7e5..14d4846 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -249,6 +249,26 @@ config CPUSETS Say N if unsure. +config SYSFS_DEPRECATED + bool "Create deprecated sysfs files" + default y + help + This option creates deprecated symlinks such as the + "device"-link, the <subsystem>:<name>-link, and the + "bus"-link. It may also add deprecated key in the + uevent environment. + None of these features or values should be used today, as + they export driver core implementation details to userspace + or export properties which can't be kept stable across kernel + releases. + + If enabled, this option will also move any device structures + that belong to a class, back into the /sys/class heirachy, in + order to support older versions of udev. + + If you are using a distro that was released in 2006 or later, + it should be safe to say N here. + config RELAY bool "Kernel->user space relay support (formerly relayfs)" help diff --git a/kernel/module.c b/kernel/module.c index f016656..45e01cb 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -1086,22 +1086,35 @@ static int mod_sysfs_setup(struct module *mod, goto out; kobj_set_kset_s(&mod->mkobj, module_subsys); mod->mkobj.mod = mod; - err = kobject_register(&mod->mkobj.kobj); + + /* delay uevent until full sysfs population */ + kobject_init(&mod->mkobj.kobj); + err = kobject_add(&mod->mkobj.kobj); if (err) goto out; + mod->drivers_dir = kobject_add_dir(&mod->mkobj.kobj, "drivers"); + if (!mod->drivers_dir) + goto out_unreg; + err = module_param_sysfs_setup(mod, kparam, num_params); if (err) - goto out_unreg; + goto out_unreg_drivers; err = module_add_modinfo_attrs(mod); if (err) - goto out_unreg; + goto out_unreg_param; + kobject_uevent(&mod->mkobj.kobj, KOBJ_ADD); return 0; +out_unreg_drivers: + kobject_unregister(mod->drivers_dir); +out_unreg_param: + module_param_sysfs_remove(mod); out_unreg: - kobject_unregister(&mod->mkobj.kobj); + kobject_del(&mod->mkobj.kobj); + kobject_put(&mod->mkobj.kobj); out: return err; } @@ -1110,6 +1123,7 @@ static void mod_kobject_remove(struct module *mod) { module_remove_modinfo_attrs(mod); module_param_sysfs_remove(mod); + kobject_unregister(mod->drivers_dir); kobject_unregister(&mod->mkobj.kobj); } @@ -2275,11 +2289,14 @@ void print_modules(void) void module_add_driver(struct module *mod, struct device_driver *drv) { + int no_warn; + if (!mod || !drv) return; - /* Don't check return code; this call is idempotent */ - sysfs_create_link(&drv->kobj, &mod->mkobj.kobj, "module"); + /* Don't check return codes; these calls are idempotent */ + no_warn = sysfs_create_link(&drv->kobj, &mod->mkobj.kobj, "module"); + no_warn = sysfs_create_link(mod->drivers_dir, &drv->kobj, drv->name); } EXPORT_SYMBOL(module_add_driver); @@ -2288,6 +2305,8 @@ void module_remove_driver(struct device_driver *drv) if (!drv) return; sysfs_remove_link(&drv->kobj, "module"); + if (drv->owner && drv->owner->drivers_dir) + sysfs_remove_link(drv->owner->drivers_dir, drv->name); } EXPORT_SYMBOL(module_remove_driver); diff --git a/lib/kobject.c b/lib/kobject.c index 7dd5c0e..744a4b1 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -311,6 +311,56 @@ int kobject_rename(struct kobject * kobj, const char *new_name) } /** + * kobject_move - move object to another parent + * @kobj: object in question. + * @new_parent: object's new parent + */ + +int kobject_move(struct kobject *kobj, struct kobject *new_parent) +{ + int error; + struct kobject *old_parent; + const char *devpath = NULL; + char *devpath_string = NULL; + char *envp[2]; + + kobj = kobject_get(kobj); + if (!kobj) + return -EINVAL; + new_parent = kobject_get(new_parent); + if (!new_parent) { + error = -EINVAL; + goto out; + } + /* old object path */ + devpath = kobject_get_path(kobj, GFP_KERNEL); + if (!devpath) { + error = -ENOMEM; + goto out; + } + devpath_string = kmalloc(strlen(devpath) + 15, GFP_KERNEL); + if (!devpath_string) { + error = -ENOMEM; + goto out; + } + sprintf(devpath_string, "DEVPATH_OLD=%s", devpath); + envp[0] = devpath_string; + envp[1] = NULL; + error = sysfs_move_dir(kobj, new_parent); + if (error) + goto out; + old_parent = kobj->parent; + kobj->parent = new_parent; + kobject_put(old_parent); + kobject_uevent_env(kobj, KOBJ_MOVE, envp); +out: + kobject_put(kobj); + kfree(devpath_string); + kfree(devpath); + return error; +} + +/** * kobject_del - unlink kobject from hierarchy. * @kobj: object. */ diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c index 7f20e7b..a192276 100644 --- a/lib/kobject_uevent.c +++ b/lib/kobject_uevent.c @@ -50,18 +50,22 @@ static char *action_to_string(enum kobject_action action) return "offline"; case KOBJ_ONLINE: return "online"; + case KOBJ_MOVE: + return "move"; default: return NULL; } } /** - * kobject_uevent - notify userspace by ending an uevent + * kobject_uevent_env - send an uevent with environmental data * - * @action: action that is happening (usually KOBJ_ADD and KOBJ_REMOVE) + * @action: action that is happening (usually KOBJ_MOVE) * @kobj: struct kobject that the action is happening to + * @envp_ext: pointer to environmental data */ -void kobject_uevent(struct kobject *kobj, enum kobject_action action) +void kobject_uevent_env(struct kobject *kobj, enum kobject_action action, + char *envp_ext[]) { char **envp; char *buffer; @@ -76,6 +80,7 @@ void kobject_uevent(struct kobject *kobj, enum kobject_action action) char *seq_buff; int i = 0; int retval; + int j; pr_debug("%s\n", __FUNCTION__); @@ -134,7 +139,8 @@ void kobject_uevent(struct kobject *kobj, enum kobject_action action) scratch += sprintf (scratch, "DEVPATH=%s", devpath) + 1; envp [i++] = scratch; scratch += sprintf(scratch, "SUBSYSTEM=%s", subsystem) + 1; - + for (j = 0; envp_ext && envp_ext[j]; j++) + envp[i++] = envp_ext[j]; /* just reserve the space, overwrite it after kset call has returned */ envp[i++] = seq_buff = scratch; scratch += strlen("SEQNUM=18446744073709551616") + 1; @@ -200,6 +206,20 @@ exit: kfree(envp); return; } + +EXPORT_SYMBOL_GPL(kobject_uevent_env); + +/** + * kobject_uevent - notify userspace by ending an uevent + * + * @action: action that is happening (usually KOBJ_ADD and KOBJ_REMOVE) + * @kobj: struct kobject that the action is happening to + */ +void kobject_uevent(struct kobject *kobj, enum kobject_action action) +{ + kobject_uevent_env(kobj, action, NULL); +} + EXPORT_SYMBOL_GPL(kobject_uevent); /** diff --git a/lib/textsearch.c b/lib/textsearch.c index 2cb4a43..98bcadc 100644 --- a/lib/textsearch.c +++ b/lib/textsearch.c @@ -40,7 +40,7 @@ * configuration according to the specified parameters. * (3) User starts the search(es) by calling _find() or _next() to * fetch subsequent occurrences. A state variable is provided - * to the algorihtm to store persistant variables. + * to the algorihtm to store persistent variables. * (4) Core eventually resets the search offset and forwards the find() * request to the algorithm. * (5) Algorithm calls get_next_block() provided by the user continously diff --git a/net/wanrouter/af_wanpipe.c b/net/wanrouter/af_wanpipe.c index 6f39faa..c205973 100644 --- a/net/wanrouter/af_wanpipe.c +++ b/net/wanrouter/af_wanpipe.c @@ -13,7 +13,7 @@ * Due Credit: * Wanpipe socket layer is based on Packet and * the X25 socket layers. The above sockets were -* used for the specific use of Sangoma Technoloiges +* used for the specific use of Sangoma Technologies * API programs. * Packet socket Authors: Ross Biro, Fred N. van Kempen and * Alan Cox. @@ -23,7 +23,7 @@ * Apr 25, 2000 Nenad Corbic o Added the ability to send zero length packets. * Mar 13, 2000 Nenad Corbic o Added a tx buffer check via ioctl call. * Mar 06, 2000 Nenad Corbic o Fixed the corrupt sock lcn problem. -* Server and client applicaton can run +* Server and client application can run * simultaneously without conflicts. * Feb 29, 2000 Nenad Corbic o Added support for PVC protocols, such as * CHDLC, Frame Relay and HDLC API. diff --git a/net/wanrouter/wanmain.c b/net/wanrouter/wanmain.c index 9479659..316211d 100644 --- a/net/wanrouter/wanmain.c +++ b/net/wanrouter/wanmain.c @@ -3,7 +3,7 @@ * * This module is completely hardware-independent and provides * the following common services for the WAN Link Drivers: -* o WAN device managenment (registering, unregistering) +* o WAN device management (registering, unregistering) * o Network interface management * o Physical connection management (dial-up, incoming calls) * o Logical connection management (switched virtual circuits) diff --git a/sound/Kconfig b/sound/Kconfig index e0d791a..95949b6 100644 --- a/sound/Kconfig +++ b/sound/Kconfig @@ -64,11 +64,11 @@ source "sound/arm/Kconfig" source "sound/mips/Kconfig" -# the following will depenend on the order of config. +# the following will depend on the order of config. # here assuming USB is defined before ALSA source "sound/usb/Kconfig" -# the following will depenend on the order of config. +# the following will depend on the order of config. # here assuming PCMCIA is defined before ALSA source "sound/pcmcia/Kconfig" diff --git a/sound/core/init.c b/sound/core/init.c index 3058d62..6152a75 100644 --- a/sound/core/init.c +++ b/sound/core/init.c @@ -361,6 +361,8 @@ static int snd_card_do_free(struct snd_card *card) snd_printk(KERN_WARNING "unable to free card info\n"); /* Not fatal error */ } + if (card->dev) + device_unregister(card->dev); kfree(card); return 0; } @@ -495,6 +497,12 @@ int snd_card_register(struct snd_card *card) int err; snd_assert(card != NULL, return -EINVAL); + if (!card->dev) { + card->dev = device_create(sound_class, card->parent, 0, + "card%i", card->number); + if (IS_ERR(card->dev)) + card->dev = NULL; + } if ((err = snd_device_register_all(card)) < 0) return err; mutex_lock(&snd_card_mutex); diff --git a/sound/core/pcm.c b/sound/core/pcm.c index fbbbcd2..5ac6e19 100644 --- a/sound/core/pcm.c +++ b/sound/core/pcm.c @@ -910,7 +910,8 @@ void snd_pcm_detach_substream(struct snd_pcm_substream *substream) substream->pstr->substream_opened--; } -static ssize_t show_pcm_class(struct class_device *class_device, char *buf) +static ssize_t show_pcm_class(struct device *dev, + struct device_attribute *attr, char *buf) { struct snd_pcm *pcm; const char *str; @@ -921,7 +922,7 @@ static ssize_t show_pcm_class(struct class_device *class_device, char *buf) [SNDRV_PCM_CLASS_DIGITIZER] = "digitizer", }; - if (! (pcm = class_get_devdata(class_device)) || + if (! (pcm = dev_get_drvdata(dev)) || pcm->dev_class > SNDRV_PCM_CLASS_LAST) str = "none"; else @@ -929,7 +930,7 @@ static ssize_t show_pcm_class(struct class_device *class_device, char *buf) return snprintf(buf, PAGE_SIZE, "%s\n", str); } -static struct class_device_attribute pcm_attrs = +static struct device_attribute pcm_attrs = __ATTR(pcm_class, S_IRUGO, show_pcm_class, NULL); static int snd_pcm_dev_register(struct snd_device *device) diff --git a/sound/core/sound.c b/sound/core/sound.c index efa476c..2827420 100644 --- a/sound/core/sound.c +++ b/sound/core/sound.c @@ -61,9 +61,6 @@ EXPORT_SYMBOL(snd_ecards_limit); static struct snd_minor *snd_minors[SNDRV_OS_MINORS]; static DEFINE_MUTEX(sound_mutex); -extern struct class *sound_class; - - #ifdef CONFIG_KMOD /** @@ -268,11 +265,10 @@ int snd_register_device(int type, struct snd_card *card, int dev, snd_minors[minor] = preg; if (card) device = card->dev; - preg->class_dev = class_device_create(sound_class, NULL, - MKDEV(major, minor), - device, "%s", name); - if (preg->class_dev) - class_set_devdata(preg->class_dev, private_data); + preg->dev = device_create(sound_class, device, MKDEV(major, minor), + "%s", name); + if (preg->dev) + dev_set_drvdata(preg->dev, private_data); mutex_unlock(&sound_mutex); return 0; @@ -320,7 +316,7 @@ int snd_unregister_device(int type, struct snd_card *card, int dev) return -EINVAL; } - class_device_destroy(sound_class, MKDEV(major, minor)); + device_destroy(sound_class, MKDEV(major, minor)); kfree(snd_minors[minor]); snd_minors[minor] = NULL; @@ -331,15 +327,15 @@ int snd_unregister_device(int type, struct snd_card *card, int dev) EXPORT_SYMBOL(snd_unregister_device); int snd_add_device_sysfs_file(int type, struct snd_card *card, int dev, - const struct class_device_attribute *attr) + struct device_attribute *attr) { int minor, ret = -EINVAL; - struct class_device *cdev; + struct device *d; mutex_lock(&sound_mutex); minor = find_snd_minor(type, card, dev); - if (minor >= 0 && (cdev = snd_minors[minor]->class_dev) != NULL) - ret = class_device_create_file(cdev, attr); + if (minor >= 0 && (d = snd_minors[minor]->dev) != NULL) + ret = device_create_file(d, attr); mutex_unlock(&sound_mutex); return ret; diff --git a/sound/oss/cs46xx.c b/sound/oss/cs46xx.c index 6e3c41f..b1c5d82 100644 --- a/sound/oss/cs46xx.c +++ b/sound/oss/cs46xx.c @@ -779,7 +779,7 @@ static unsigned int cs_set_adc_rate(struct cs_state *state, unsigned int rate) rate = 48000 / 9; /* - * We can not capture at at rate greater than the Input Rate (48000). + * We cannot capture at at rate greater than the Input Rate (48000). * Return an error if an attempt is made to stray outside that limit. */ if (rate > 48000) @@ -4754,8 +4754,8 @@ static int cs_hardware_init(struct cs_card *card) mdelay(5 * cs_laptop_wait); /* Shouldnt be needed ?? */ /* -* If we are resuming under 2.2.x then we can not schedule a timeout. -* so, just spin the CPU. +* If we are resuming under 2.2.x then we cannot schedule a timeout, +* so just spin the CPU. */ if (card->pm.flags & CS46XX_PM_IDLE) { /* diff --git a/sound/oss/soundcard.c b/sound/oss/soundcard.c index 2344d09..75c5e74 100644 --- a/sound/oss/soundcard.c +++ b/sound/oss/soundcard.c @@ -557,17 +557,17 @@ static int __init oss_init(void) sound_dmap_flag = (dmabuf > 0 ? 1 : 0); for (i = 0; i < sizeof (dev_list) / sizeof *dev_list; i++) { - class_device_create(sound_class, NULL, - MKDEV(SOUND_MAJOR, dev_list[i].minor), - NULL, "%s", dev_list[i].name); + device_create(sound_class, NULL, + MKDEV(SOUND_MAJOR, dev_list[i].minor), + "%s", dev_list[i].name); if (!dev_list[i].num) continue; for (j = 1; j < *dev_list[i].num; j++) - class_device_create(sound_class, NULL, - MKDEV(SOUND_MAJOR, dev_list[i].minor + (j*0x10)), - NULL, "%s%d", dev_list[i].name, j); + device_create(sound_class, NULL, + MKDEV(SOUND_MAJOR, dev_list[i].minor + (j*0x10)), + "%s%d", dev_list[i].name, j); } if (sound_nblocks >= 1024) @@ -581,11 +581,11 @@ static void __exit oss_cleanup(void) int i, j; for (i = 0; i < sizeof (dev_list) / sizeof *dev_list; i++) { - class_device_destroy(sound_class, MKDEV(SOUND_MAJOR, dev_list[i].minor)); + device_destroy(sound_class, MKDEV(SOUND_MAJOR, dev_list[i].minor)); if (!dev_list[i].num) continue; for (j = 1; j < *dev_list[i].num; j++) - class_device_destroy(sound_class, MKDEV(SOUND_MAJOR, dev_list[i].minor + (j*0x10))); + device_destroy(sound_class, MKDEV(SOUND_MAJOR, dev_list[i].minor + (j*0x10))); } unregister_sound_special(1); diff --git a/sound/sound_core.c b/sound/sound_core.c index 5322c50..8f1ced4 100644 --- a/sound/sound_core.c +++ b/sound/sound_core.c @@ -170,8 +170,8 @@ static int sound_insert_unit(struct sound_unit **list, const struct file_operati else sprintf(s->name, "sound/%s%d", name, r / SOUND_STEP); - class_device_create(sound_class, NULL, MKDEV(SOUND_MAJOR, s->unit_minor), - dev, s->name+6); + device_create(sound_class, dev, MKDEV(SOUND_MAJOR, s->unit_minor), + s->name+6); return r; fail: @@ -193,7 +193,7 @@ static void sound_remove_unit(struct sound_unit **list, int unit) p = __sound_remove_unit(list, unit); spin_unlock(&sound_loader_lock); if (p) { - class_device_destroy(sound_class, MKDEV(SOUND_MAJOR, p->unit_minor)); + device_destroy(sound_class, MKDEV(SOUND_MAJOR, p->unit_minor)); kfree(p); } } |