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Using default methods caused the chip's DMA PRD count registers, inadvertently
starting DMA! While fixing it, also do:
- get rid of the 'ide_' prefixes in several functions for which the prefix in
the method's name has been 'ide_' ectomized already;
- align the code hooking the IDE DMA methods in init_hwif_trm290()...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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commit 528a572daea90aa41db92683e5a8756acef514c4 ("ide: add ->chipset field
to ide_pci_device_t") broke hwif->chipset setup (it is now set to ide_cmd646
for CMD648 instead of CMD646). It seems that the breakage happend while
I was moving patches around (cmd64x_chipsets[] entries for CMD646 and CMD648
are identical except for 'name' field). Fix it and bump driver version.
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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After looking into the HPT370 manual (now that I have it) and re-checking all
the timing tables, here's what I have discovered:
- at 33 MHz clock, PIO mode 0 timings turned to be overclocked, and all other
PIO modes underclocked;
- at 50 MHz clock, PIO modes 0 to 2 turned to be overclocked;
- at 66 MHz clock, PIO mode 0 was overclocked too.
Finally, the taskfile timing (matching PIO mode 0) turned to be overclocked at
all clock frequencies (and in all manuals)...
The new timings have been tested on HPT370 chip (at 33 MHz PCI clock) and on
HPT371N chip (at both 50 and 66 MHz DPLL clock).
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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In case of Promise TX4 the first PCI device is located at slot 1
and the second one is at slot 2 so the offset used by pci_get_slot()
should be "+1" and not "+2".
Thanks goes out to Markus Dietz for bugreport and testing this patch.
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Port of Jeff's libata commit 54174db300ee1bac632d62e4ac37fe02e47d1f18
("[libata] ata_piix: add HP compaq laptop to short cable list").
Cc: Jeff Garzik <jeff@garzik.org>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Port of Alan's patch for pata_ali.c.
Cc: Alan Cox <alan@redhat.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Add pci_enable_device() to aec62xx probe function
before doing any I/O.
Original probe function tries to read from device's
PCI region 4 before calling ide_setup_pci_device().
Since the device is not enabled at this point,
on machines that have no firmware PCI initialization
(e.g. ASUS WL-700gE router), corresponding PCI BAR
is 0 and the following inb() causes a kernel oops.
Signed-off-by: Aleksandar Radovanovic <biblbroks@sezampro.yu>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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The intent behind siimage_reset() was probably to hard reset the interface and
the SATA PHY but as the code writes to two reserved bits instead, it obviously
has been ineffective from the start. So, just remove it.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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With newer kernels HDD in my old laptop is limited to UDMA 33.
With this patch I get UDMA 100 again.
Signed-off-by: Gabriel Craciunescu <nix.or.die@googlemail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Fix ide-cris, cs5530, sc1200 and sis5513 host drivers to just return instead
of OOPS-ing for unsupported modes in ->set_dma_mode methods.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Make sure to not clear the other IDE channel's interrupt when clearing an IDE
interrupt via the MRDMODE register.
Thanks to Bart for finding a coding mistake.
Bart:
This fixes regression from commit 66602c83dcb6a5d82772d88ae7a32cd4a1213528
("cmd64x: use interrupt status from MRDMODE register (take 2)").
Extra thanks to Martin for reporting and bisecting the issue.
From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Tested-by: Martin Rogge <marogge@onlinehome.de>
Tested-by: Milan Kocian <milon@wq.cz>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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In piix.c (and in ata_piix.c) are already included some patches to skip the
cable check on some laptops and to enable UDMA > 33 modes, but I've noticed
than theese doesn't work on my Acer Aspire 5602WLMi (maybe exist more
versions of this laptop). With this simple patch I can set transfer mode
to UDMA100.
From: "sebdeg@ngi.it" <sebdeg@ngi.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* We shouldn't bother with dev->current_state, the PCI API functions we
call manage this for us (and do a far better job at it too).
* Remove pci_set_power_state(dev, PCI_D0) call in resume, as
pci_enable_device() does the same thing.
* Check pci_enable_device() return value. If it failed, fail
the entire resume and avoid programming timings into the [potentially
dead/asleep] chip.
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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It turns out that const and __{dev}initdata cannot be mixed currently
and that generic IDE PCI host driver is also affected by the same issue:
On Thursday 25 October 2007, Ralf Baechle wrote:
> CC drivers/ide/pci/generic.o
> drivers/ide/pci/generic.c:52: error: __setup_str_ide_generic_all_on causes a
> +section type conflict
[ Also reported by Martijn Uffing <mp3project@sarijopen.student.utwente.nl>. ]
This patch workarounds the problem in a bit hackish way but without
removing const from generic_chipsets[] (it adds const to __setup() so
__setup_str_ide_generic_all becomes const).
Now all __{dev}initdata data in generic IDE PCI host driver are read-only
so it builds again (driver's .init.data section gets marked as READONLY).
Cc: Martijn Uffing <mp3project@sarijopen.student.utwente.nl>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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On Saturday 20 October 2007, Avuton Olrich wrote:
> My randconfig script the attached config caught an error on:
> drivers/ide/pci/cy82c693.c:439: error: primary causes a section type conflict
>
> My git tree: c00046c279a2521075250fad682ca0acc10d4fd7
>
> Bisected to:
> 8562043606430185cad26d085d46adcc7ad67fd1 is first bad commit
> commit 8562043606430185cad26d085d46adcc7ad67fd1
> Author: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
> Date: Sat Oct 20 00:32:34 2007 +0200
>
> ide: constify struct ide_port_info
>
> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
It turns out that const and __{dev}initdata cannot be mixed currently
and that hpt366 host driver is also affected by the same issue:
> drivers/ide/pci/hpt366.c:1428: error: hpt366_chipsets causes a section type
> conflict
This patch workarounds the problem by making static struct hpt_info instances
const. Now all __devinitdata data in hpt366 host driver are read-only so it
builds again (driver's .init.data section gets marked as READONLY).
While at it:
* Bump driver version.
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: "Avuton Olrich" <avuton@gmail.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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On Saturday 20 October 2007, Avuton Olrich wrote:
> My randconfig script the attached config caught an error on:
> drivers/ide/pci/cy82c693.c:439: error: primary causes a section type conflict
>
> My git tree: c00046c279a2521075250fad682ca0acc10d4fd7
>
> Bisected to:
> 8562043606430185cad26d085d46adcc7ad67fd1 is first bad commit
> commit 8562043606430185cad26d085d46adcc7ad67fd1
> Author: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
> Date: Sat Oct 20 00:32:34 2007 +0200
>
> ide: constify struct ide_port_info
>
> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
It turns out that const and __{dev}initdata cannot be mixed currently.
This patch workarounds the problem by removing __devinitdata tag from 'primary'
variable (which makes 'primary' to be moved from .init.data to .bss section).
Now all __devinitdata data in cy82c693 host driver are read-only so it builds
again (driver's .init.data section gets marked as READONLY).
While at it:
* Move 'primary' variable to its only user, init_iops_cy82c693().
* Bump driver version.
Cc: "Avuton Olrich" <avuton@gmail.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial: (74 commits)
fix do_sys_open() prototype
sysfs: trivial: fix sysfs_create_file kerneldoc spelling mistake
Documentation: Fix typo in SubmitChecklist.
Typo: depricated -> deprecated
Add missing profile=kvm option to Documentation/kernel-parameters.txt
fix typo about TBI in e1000 comment
proc.txt: Add /proc/stat field
small documentation fixes
Fix compiler warning in smount example program from sharedsubtree.txt
docs/sysfs: add missing word to sysfs attribute explanation
documentation/ext3: grammar fixes
Documentation/java.txt: typo and grammar fixes
Documentation/filesystems/vfs.txt: typo fix
include/asm-*/system.h: remove unused set_rmb(), set_wmb() macros
trivial copy_data_pages() tidy up
Fix typo in arch/x86/kernel/tsc_32.c
file link fix for Pegasus USB net driver help
remove unused return within void return function
Typo fixes retrun -> return
x86 hpet.h: remove broken links
...
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Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Take ide_lock for prefetch disable/enable in do_special(),
then cleanup cmd640 and ht6560b host drivers.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Stop abusing ide_lock lock (switch to a private locking).
Fixes same issue as fixed by Alan Cox in atiixp host driver with
commit 6c5f8cc33eb2e10b6ab788bbe259fc142a068627.
cmd640 is a bit special cause we still need to leave ide_lock for
->set_pio_mode with 'pio' argument == 8/9 (prefetch disable/enable).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Stop abusing ide_lock lock (switch to a private locking).
Fixes same issue as fixed by Alan Cox in atiixp host driver with
commit 6c5f8cc33eb2e10b6ab788bbe259fc142a068627.
* Bump driver version.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Stop abusing ide_lock lock (switch to a private locking).
Fixes same issue as fixed by Alan Cox in atiixp host driver with
commit 6c5f8cc33eb2e10b6ab788bbe259fc142a068627.
* Bump driver version.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Rename struct ide_pci_device_s to struct ide_port_info.
* Remove ide_pci_device_t typedef.
While at it:
* Fix __ide_pci_register_driver() comment.
* Fix aec62xx_init_one() comment.
* Remove unused 'cds' field from ide_hwgroup_t.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Keep local ide_pci_device_t copy in via_init_one().
* Adjust ide_pci_device_t copy according to id->driver_data in via_init_one()
and remove no longer needed second via82cxxx_chipsets[] entry.
* via82cxxx_chipsets[] -> via82cxxx_chipset.
* Remove IDE_HFLAGS_VIA define.
* Bump driver version.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Add ide_device_add() helper and convert host drivers to use it
instead of open-coded variants.
* Make ide_pci_setup_ports() and do_ide_setup_pci_device()
take 'u8 *idx' argument instead of 'ata_index_t *index'.
* Remove no longer needed ata_index_t.
* Unexport probe_hwif_init() and make it static.
* Unexport ide_proc_register_port().
There should be no functionality changes caused by this patch
(sgiioc4.c: ide_proc_register_port() requires hwif->present
to be set and it won't be set if probe_hwif_init() fails).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Add ->fixup method to ide_hwif_t.
* Set hwif->fixup in ide_pci_setup_ports() to d->fixup.
* Use hwif->fixup in probe_hwif().
* Use probe_hwif_init() instead of probe_hwif_init_with_fixup() in
ide_setup_pci_device().
* Add 'fixup' argument to ide_register_hw() and use it to set hwif->fixup,
update all ide_register_hw() users accordingly.
* Convert ide-cs/delkin_cb host drivers to use ide_register_hw().
* Restore hwif->fixup in ide_hwif_restore().
* Remove ide_register_hw_with_fixup(), probe_hwif_init_with_fixup()
and 'fixup' argument from probe_hwif().
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Split off sil_sata_udma_filter() from sil_udma_filter()
and rename sil_udma_filter() to sil_pata_udma_filter().
* Rename siimage_busproc() to sil_sata_busproc().
* Rename siimage_reset_poll() to sil_sata_reset_poll()
and in init_hwif_siimage() set ->reset_poll method only
for SATA controllers.
* Rename siimage_pre_reset() to sil_sata_pre_reset(),
in init_hwif_siimage() set ->pre_reset method only for
SATA controllers and remove redundant is_sata() call.
* Add CONFIG_BLK_DEV_IDE_SATA #ifdef/#endif to pdev_is_sata()
so compiler will know to throw out unused SATA code for
CONFIG_BLK_DEV_IDE_SATA=n case (830 bytes saved on x86-32).
* Bump driver version.
Some minor cleanups while at it:
* Convert sil_{pata,sata}_udma_filter() to use ATA_UDMA* defines.
* In siimage_mmio_ide_dma_test_irq() move 'base' variable
under 'if (SATA_ERROR_REG)' block.
* Simplify sil_sata_reset_poll() a bit.
* Cache is_sata() result in init_hwif_siimage()
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Remove aec62xx_dma_lost_irq() (generic ide_dma_lost_irq() will be used now).
* Bump driver version.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Make a local copy of ali15x3_chipset in alim15x3_init_one() and set
->host_flags / ->udma_mask according to the controller capabilities.
* Cleanup init_hwif_common_ali15x3().
* Bump driver version.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Setup CD_ROM DMA and PIO FIFO settings in init_chipset_ali15x3() instead
of ata66_ali15x3(). The latter is called from init_hwif_common_ali15x3()
only if DMA base exists (which insists m5529_revision > 0x20).
This changes makes CD_ROM DMA / PIO FIFO bits being set only once
and also when "idex=ata66" kernel parameter is used.
* While at it move also chip_is_1543c_e setup from ata66_ali15x3() to
init_chipset_ali15x3() and check if isa_dev exists before accessing it.
* Bump driver version.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Add IDE_HFLAG_{IO_32BIT,UNMASK_IRQS} host flag to tell ide_pci_setup_ports()
to set drive->{io_32bit,unmask} for both drives on the interface. Convert
amd74xx, sl82c105 and via82cxxx host drivers to use these new host flags.
While at it:
* Add IDE_HFLAGS_AMD define (amd74xx host driver).
* Add IDE_HFLAGS_VIA define (via82cxxx host driver).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Add IDE_HFLAG_RQSIZE_256 host flag to tell ide_pci_setup_ports() to set
hwif->rqsize to 256 sectors. Convert pdc202xx_old host driver to use it.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Add IDE_HFLAG_FORCE_LEGACY_IRQS host flag to tell ide_pci_setup_ports()
to always set hwif->irq to legacy IRQ 14/15 and convert generic IDE PCI
and via82cxxx host drivers to use it.
While at it:
* Add IDE_HFLAGS_UMC define (generic IDE PCI host driver).
* Remove no longer needed init_hwif_generic() (generic IDE PCI host driver).
* Set d->udma_mask instead of hwif->ultra_mask (via82cxxx host driver).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Add ->chipset field to ide_pci_device_t and use it in ide_hwif_configure()
to set hwif->chipset. Convert cmd64x, cy82c693, rz1000 and trm290 host
drivers to use this new ability.
While at it define hwif_chipset_t as u8 to save some space in hw_regs_t,
ide_hwif_t and ide_pci_device_t instances.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Setting hwif->serialized makes sense only if the mate interface exists.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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hwif->chipset should be set to ide_cmd646 also when DMA base is invalid.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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This patch adds a missing "else" that was missing in
commit c77a89cd98d99819f23a4a08e5e17ee1f13f6e4d.
Spotted by the Coverity checker.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>,
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Fix the various misspellings of "system", controller", "interrupt" and
"[un]necessary".
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
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Majority of host drivers using IDE PCI layer set drive->autotune, the only
exceptions are:
generic.c
ns87415.c
rz1000.c
trm290.c
* no ->set_pio_mode method
it821x.c:
* if memory allocation fails drive->autotune won't be set
(but there also won't be ->set_pio_mode method in such case)
piix.c:
* MPIIX controller (no ->init_hwif method so also no ->set_pio_mode method)
However if there is no ->set_pio_mode method there are no changes in behavior
w.r.t. PIO tuning so always set drive->autotune in ide_pci_setup_ports().
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Since cs5520 uses VDMA best PIO mode was tuned anyway by ide_dma_check()
but only if DMA was successfully initialized.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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