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2012-03-21Disintegrate asm/system.h for Blackfin [ver #2]David Howells
Disintegrate asm/system.h for Blackfin. Signed-off-by: David Howells <dhowells@redhat.com> cc: uclinux-dist-devel@blackfin.uclinux.org Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-03-21Blackfin: wire up new process_vm syscallsMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-03-21blackfin: cleanup anomaly workaroundsBob Liu
cleanup ANOMALY_05000312 and ANOMALY_05000244 Signed-off-by: Robin Getz <robin.getz@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-03-21blackfin: thread_info: add suspend flagBob Liu
Add suspend flag to thread_info for suspend/resume. Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-03-21blackfin: kgdb: skip hardware watchpoint testBob Liu
blackfin doesn't support hardware watchpoint except for over JTAG emulator. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-03-21spi/bfin_spi: drop bits_per_word from client dataMike Frysinger
No other SPI controller has this field, and SPI clients should be setting this up in their own drivers. So drop it from the Blackfin controller to keep people from using it. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-03-21blackfin: restore L1 base address and lengthBarry Song
Restore L1 base address and length to 0 after free else the value will be wrong. Signed-off-by: Barry Song <barry.song@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-03-21blackfin: timer: refine bfin simple timer driverSteven Miao
Add ioctl cmd for gptimer test app and do some codecleanup(remove spaces). Signed-off-by: Steven Miao <realmz6@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-03-21bfin_sport: add support for ADC/DAC.Bob Liu
In order to support ADC/DAC demo, add NDSO_MODE mode to bfin_sport.c. After that userspace apps like ndso/awg can work fine. Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-01-12Merge branch 'linux-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci * 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci: (80 commits) x86/PCI: Expand the x86_msi_ops to have a restore MSIs. PCI: Increase resource array mask bit size in pcim_iomap_regions() PCI: DEVICE_COUNT_RESOURCE should be equal to PCI_NUM_RESOURCES PCI: pci_ids: add device ids for STA2X11 device (aka ConneXT) PNP: work around Dell 1536/1546 BIOS MMCONFIG bug that breaks USB x86/PCI: amd: factor out MMCONFIG discovery PCI: Enable ATS at the device state restore PCI: msi: fix imbalanced refcount of msi irq sysfs objects PCI: kconfig: English typo in pci/pcie/Kconfig PCI/PM/Runtime: make PCI traces quieter PCI: remove pci_create_bus() xtensa/PCI: convert to pci_scan_root_bus() for correct root bus resources x86/PCI: convert to pci_create_root_bus() and pci_scan_root_bus() x86/PCI: use pci_scan_bus() instead of pci_scan_bus_parented() x86/PCI: read Broadcom CNB20LE host bridge info before PCI scan sparc32, leon/PCI: convert to pci_scan_root_bus() for correct root bus resources sparc/PCI: convert to pci_create_root_bus() sh/PCI: convert to pci_scan_root_bus() for correct root bus resources powerpc/PCI: convert to pci_create_root_bus() powerpc/PCI: split PHB part out of pcibios_map_io_space() ... Fix up conflicts in drivers/pci/msi.c and include/linux/pci_regs.h due to the same patches being applied in other branches.
2012-01-09blackfin: serial: bfin-uart: remove unused fieldSonic Zhang
Remove unused field for hardware flow control. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-01-09blackfin: smp: cleanup smp codeBob Liu
move idle task point to percpu blackfin_cpudata and add smp_timer_broadcast interface. enable SUPPLE_1_WAKEUP and add BFIN_IPI_TIMER ipi support. Signed-off-by: Steven Miao <realmz6@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-01-06PCI: Pull PCI 'latency timer' setup up into the coreMyron Stowe
The 'latency timer' of PCI devices, both Type 0 and Type 1, is setup in architecture-specific code [see: 'pcibios_set_master()']. There are two approaches being taken by all the architectures - check if the 'latency timer' is currently set between 16 and 255 and if not bring it within bounds, or, do nothing (and then there is the gratuitously different PA-RISC implementation). There is nothing architecture-specific about PCI's 'latency timer' so this patch pulls its setup functionality up into the PCI core by creating a generic 'pcibios_set_master()' function using the '__weak' attribute which can be used by all architectures as a default which, if necessary, can then be over-ridden by architecture-specific code. No functional change. Signed-off-by: Myron Stowe <myron.stowe@redhat.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2011-11-21freezer: remove now unused TIF_FREEZETejun Heo
Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: linux-arch@vger.kernel.org
2011-11-14Blackfin: add serial TX IRQ in individual platform resourceSonic Zhang
The serial TX IRQ is not simply (RX IRQ + 1) on some Blackfin chips, so move the values to the platform resources. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2011-10-25Blackfin: merge asm/mutex.h into kbuild tooMike Frysinger
This header was being rewritten while the asm-generic kbuild support was in flight, so it missed out on the update. Punt the stub and use the kbuild now that everything has settled. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-10-25Blackfin: fix sparse warnings in copy_to/from_userMikhail Gruzdev
Fix argument types for copy_to_user. Fix following sparse warnings: arch/blackfin/include/asm/uaccess.h:198:14: warning: incorrect type in argument 2 (different address spaces) arch/blackfin/include/asm/uaccess.h:198:14: expected void const *s arch/blackfin/include/asm/uaccess.h:198:14: got void const [noderef] <asn:1>*from arch/blackfin/include/asm/uaccess.h:208:14: warning: incorrect type in argument 2 (different address spaces) arch/blackfin/include/asm/uaccess.h:208:14: expected void const *s arch/blackfin/include/asm/uaccess.h:208:14: got void const [noderef] <asn:1>*from Signed-off-by: Mikhail Gruzdev <michail.gruzdev@gmail.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-10-25Blackfin: SMP: convert to common asm-generic/atomic.hMike Frysinger
Now that common code supports SMP systems, switch our SMP atomic logic over to it to avoid code duplication. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-07-26atomic: cleanup asm-generic atomic*.h inclusionArun Sharma
After changing all consumers of atomics to include <linux/atomic.h>, we ran into some compile time errors due to this dependency chain: linux/atomic.h -> asm/atomic.h -> asm-generic/atomic-long.h where atomic-long.h could use funcs defined later in linux/atomic.h without a prototype. This patches moves the code that includes asm-generic/atomic*.h to linux/atomic.h. Archs that need <asm-generic/atomic64.h> need to select CONFIG_GENERIC_ATOMIC64 from now on (some of them used to include it unconditionally). Compile tested on i386 and x86_64 with allnoconfig. Signed-off-by: Arun Sharma <asharma@fb.com> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Acked-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-26atomic: move atomic_add_unless to generic codeArun Sharma
This is in preparation for more generic atomic primitives based on __atomic_add_unless. Signed-off-by: Arun Sharma <asharma@fb.com> Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Acked-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-26atomic: use <linux/atomic.h>Arun Sharma
This allows us to move duplicated code in <asm/atomic.h> (atomic_inc_not_zero() for now) to <linux/atomic.h> Signed-off-by: Arun Sharma <asharma@fb.com> Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Cc: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-26ptrace: unify show_regs() prototypeMike Frysinger
[ poleg@redhat.com: no need to declare show_regs() in ptrace.h, sched.h does this ] Signed-off-by: Mike Frysinger <vapier@gentoo.org> Cc: Tejun Heo <tj@kernel.org> Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-23Blackfin: SMP: punt unused atomic_test_mask helperMike Frysinger
No one uses this func, so just punt it. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-07-23Blackfin: irqs: do not trace arch_local_{*,irq_*} functionsSteven Rostedt
Do not trace arch_local_save_flags(), arch_local_irq_*() and friends. Although they are marked inline, gcc may still make a function out of them and add it to the pool of functions that are traced by the function tracer. This can cause undesirable results (kernel panic, triple faults, etc). Add the notrace notation to prevent them from ever being traced. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-07-23Blackfin: bf538: pull gpio/port logic out of core hibernate pathsMike Frysinger
Re-architect how we save/restore the gpio/port logic that only pertains to bf538/bf539 parts by pulling it out of the core code paths and pushing it out to bf538-specific locations. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-07-23Blackfin: dpmc: optimize hibernate/resume pathMike Frysinger
The current save logic used in hibernation is to do a MMR load (base + offset) into a register, and then push that onto the stack. Then when restoring, pop off the stack into a register followed by a MMR store (base + offset). These use plenty of 32bit insns rather than 16bit, are pretty long winded, and full of pipeline bubbles. So, by taking advantage of MMRs that are contiguous, the multi-register push/pop insn, and register abuse, we can shrink this code considerably. When saving, the new logic does a lot of loads into the data and pointer registers before executing a single multi-register push insn. Then when restoring, we do a single multi-register pop insn followed by a lot of stores. Overall, this allows us to cut the insn count by ~30%, the code size by ~45%, and drastically reduce the register hazards that trigger bubbles in the pipeline. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-07-23Blackfin: dpmc: relocate hibernate helper macrosMike Frysinger
This defines only get used in the hibernate code, so remove them from the global dpmc header as no one else cares. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-07-23Blackfin: gpio/ints: generalize pint logicMike Frysinger
Have the logic that uses peripheral interrupt blocks key off of pint defines rather than CPU names so that things are generalized across families. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-07-23Blackfin: gpio: punt unused GPIO_# definesMike Frysinger
These defines don't accomplish much as GPIO_# is the same thing as #. Each CPU already provides helpful symbolic defines like GPIO_<PIN> which everyone uses, so just punt these # ones. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-07-23Blackfin: convert unicode space gremlinsMike Frysinger
Not sure how these guys slipped in, but they're annoying me. So bring these unicode space gremlins down to earth to normal ascii spaces. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-07-23Blackfin: gptimers: add enable/disable by timer idMike Frysinger
The API is geared around timer ids, except for the act of enabling and disabling timers. So add a small helper to fill out the gap. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-07-23Blackfin: gptimers: add group structure for hardware register layoutMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-07-23Blackfin: convert to asm-generic/mutex-dec.h for all systemsMike Frysinger
The Blackfin mutex.h is merely a copy of an older asm-generic/mutex-dec.h, so punt it and just use the common one directly. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-07-23Blackfin: optimize double fault boot checkingMike Frysinger
This moves the double fault data used at boot time into a single struct which can then easily be addressed with indexed loads rather than having to explicitly load multiple addresses. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-07-23Blackfin: convert to kbuild asm-generic supportMike Frysinger
No need for one line header stubs. Just declare it in Kbuild. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-05-28Blackfin: gptimers: add structure for hardware register layoutMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-05-28Blackfin: wire up new sendmmsg syscallMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-05-28Blackfin: bfin_serial.h: turn default port wrappers into stubsMike Frysinger
Any consumer that needs to access the MMRs has to provide these helpers, so make the default into useless stubs. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-05-28Merge branch 'setns'Linus Torvalds
* setns: ns: Wire up the setns system call Done as a merge to make it easier to fix up conflicts in arm due to addition of sendmmsg system call
2011-05-28ns: Wire up the setns system callEric W. Biederman
32bit and 64bit on x86 are tested and working. The rest I have looked at closely and I can't find any problems. setns is an easy system call to wire up. It just takes two ints so I don't expect any weird architecture porting problems. While doing this I have noticed that we have some architectures that are very slow to get new system calls. cris seems to be the slowest where the last system calls wired up were preadv and pwritev. avr32 is weird in that recvmmsg was wired up but never declared in unistd.h. frv is behind with perf_event_open being the last syscall wired up. On h8300 the last system call wired up was epoll_wait. On m32r the last system call wired up was fallocate. mn10300 has recvmmsg as the last system call wired up. The rest seem to at least have syncfs wired up which was new in the 2.6.39. v2: Most of the architecture support added by Daniel Lezcano <dlezcano@fr.ibm.com> v3: ported to v2.6.36-rc4 by: Eric W. Biederman <ebiederm@xmission.com> v4: Moved wiring up of the system call to another patch v5: ported to v2.6.39-rc6 v6: rebased onto parisc-next and net-next to avoid syscall conflicts. v7: ported to Linus's latest post 2.6.39 tree. >  arch/blackfin/include/asm/unistd.h     |    3 ++- >  arch/blackfin/mach-common/entry.S      |    1 + Acked-by: Mike Frysinger <vapier@gentoo.org> Oh - ia64 wiring looks good. Acked-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-27kgdbts: unify/generalize gdb breakpoint adjustmentMike Frysinger
The Blackfin arch, like the x86 arch, needs to adjust the PC manually after a breakpoint is hit as normally this is handled by the remote gdb. However, rather than starting another arch ifdef mess, create a common GDB_ADJUSTS_BREAK_OFFSET define for any arch to opt-in via their kgdb.h. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Jason Wessel <jason.wessel@windriver.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Acked-by: Paul Mundt <lethal@linux-sh.org> Acked-by: Dongdong Deng <dongdong.deng@windriver.com> Cc: Sergei Shtylyov <sshtylyov@mvista.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-27Blackfin: convert to asm-generic ptrace.hMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Jason Wessel <jason.wessel@windriver.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: Sergei Shtylyov <sshtylyov@mvista.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-25Blackfin: boards: update ASoC resources after machine driver overhaulScott Jiang
Now that the Blackfin machine drivers have been updated to the multicomponent support, update the resources to match. The pin settings are now a board issue and removed from the driver. Signed-off-by: Scott Jiang <scott.jiang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-05-25Blackfin: fix addr type with bfin_write_{or,and} helpersMike Frysinger
Since the bfin_write() func needs proper type information in order to expand into the right bfin_writeX() variant, preserve the addr's type when setting up the local __addr. Otherwise the helpers will detect the variant based upon sizeof(void) which is almost never right. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-05-25Blackfin: fix indentation with bfin_read() helperMike Frysinger
Use tabs instead of spaces to indent. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-05-25Blackfin: initial perf_event supportMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-05-25Blackfin: bf537: demux port H mask A and emac rx intsMike Frysinger
The BF537 SIC combines the gpio port H mask A interrupts with the emac rx interrupt, so we need to demux this in software. It also combines the gpio port H mask B and the emac tx interrupts, and the watchdog and port F mask B interrupts, but since we don't support mask B yet, just add the defines for now. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-05-25Blackfin: move bf537-specific irq code out of common codeMike Frysinger
The SIC interrupt line muxing that the bf537 does is specific to this CPU (thankfully), so rip it out of the common code and move it to a bf537-specific file. This tidies up the common code significantly. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-05-25Blackfin: move internal irq prototypes out of global namespaceMike Frysinger
These are only used in a few internal Blackfin places, so move the irq prototypes out of the global header and into the internal irq one. No functional changes other than shuffling locales. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-05-25Blackfin: delete duplicated user single step prototypesMike Frysinger
These are in linux/ptrace.h, so no need for us to duplicate them. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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