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Get rid of the transfer dquot operation - it is now always called from
the filesystem and if a filesystem really needs it's own (which none
currently does) it can just call into it's own routine directly.
Rename the now static low-level dquot_transfer helper to __dquot_transfer
and vfs_dq_transfer to dquot_transfer to have a consistent namespace,
and make the new dquot_transfer return a normal negative errno value
which all callers expect.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
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* 'for-linus' of git://gitorious.org/linux-omap-dss2/linux: (49 commits)
OMAP: DSS2: Taal: Fix TE when resuming
OMAP: DSS2: Taal: Fix ESD check
OMAP: DSS2: OMAPFB: Constify some function parameters
OMAP: DSS2: OMAPFB: install omapfb.h
OMAP: DSS2: DSI: add error prints
OMAP: DSS2: TPO-TD03MTEA1: fix function names
OMAP: DSS2: DSI: add dsi_vc_dcs_read_2() helper
OMAP: DSS2: OMAPFB: Remove FB_OMAP2_FORCE_AUTO_UPDATE
OMAP: DSS2: DSI: remove external TE support
OMAP: DSS2: move timing functions
OMAP: DSS2: move set/get_wss()
OMAP: DSS2: move enable/disable/suspend/resume
OMAP: DSS2: move update() and sync()
OMAP: DSS2: move set/get_update_mode()
OMAP: DSS2: move enable/get_te()
OMAP: DSS2: move get_recommended_bpp()
OMAP: DSS2: move get_resolution()
OMAP: DSS2: move enable/disable_channel to overlay manager
OMAP: DSS2: move wait_vsync()
OMAP: DSS2: move get/set_rotate()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (214 commits)
omap2: Initialize Menelaus and MMC for N8X0
AM3517 EVM: correct typo - tca6416 mispelt as tca6516
AM3517 EVM: Enable I2C support
AM35x: Enable OMAP_MUX in defconfig
AM35x: Add missing GPIO mux config for EHCI port
Zoom3: Defconfig update
omap: i2c: Fix muxing for command line enabled bus
OMAP4: clock: Remove clock hacks from timer-gp.c
OMAP4: clock: Add dummy clock nodes for interface clocks
OMAP4: clock: Rename leaf clock nodes to end with a _ick or _fck
OMAP2+ clock: revise omap2_clk_{disable,enable}()
OMAP2/3 clock: combine OMAP2 & 3 boot-time MPU rate change code
OMAP clockdomain: if no autodeps exist, don't try to add or remove them
OMAP hwmod: add hwmod class support
OMAP hwmod: convert header files with static allocations into C files
OMAP hwmod: convert hwmod to use hardware clock names rather than clkdev dev+con
OMAP clock: add omap_clk_get_by_name() for use by OMAP hwmod core code
OMAP3: clock: add capability to change rate of dpll4_m5_ck_3630
OMAP4 clock: drop the ALWAYS_ENABLED clock flag
OMAP clock: drop RATE_FIXED clock flag
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next-2.6:
sparc: Support show_unhandled_signals.
sparc: use __ratelimit
sunxvr500: Additional PCI id for sunxvr500 driver
sparc: use asm-generic/scatterlist.h
sparc64: If 'slot-names' property exist, create sysfs PCI slot information.
sparc: remove trailing space in messages
sparc: remove redundant return statements
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1341 commits)
virtio_net: remove forgotten assignment
be2net: fix tx completion polling
sis190: fix cable detect via link status poll
net: fix protocol sk_buff field
bridge: Fix build error when IGMP_SNOOPING is not enabled
bnx2x: Tx barriers and locks
scm: Only support SCM_RIGHTS on unix domain sockets.
vhost-net: restart tx poll on sk_sndbuf full
vhost: fix get_user_pages_fast error handling
vhost: initialize log eventfd context pointer
vhost: logging thinko fix
wireless: convert to use netdev_for_each_mc_addr
ethtool: do not set some flags, if others failed
ipoib: returned back addrlen check for mc addresses
netlink: Adding inode field to /proc/net/netlink
axnet_cs: add new id
bridge: Make IGMP snooping depend upon BRIDGE.
bridge: Add multicast count/interval sysfs entries
bridge: Add hash elasticity/max sysfs entries
bridge: Add multicast_snooping sysfs toggle
...
Trivial conflicts in Documentation/feature-removal-schedule.txt
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TE was not initialized properly on power on, which broke TE when resuming
from suspend.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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This is no longer needed. I missed to remove this in
567ec874d15b478c8eda7e9a5d2dcb05f13f1fb5 ("net: convert multiple
drivers to use netdev_for_each_mc_addr, part6")
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In tx/mcc polling, napi_complete() is being incorrectly called
before reaping tx completions. This can cause tx compl processing
to be scheduled on another cpu concurrently which can result in a panic.
This if fixed by calling napi complete() after tx/mcc compl processing
but before re-enabling interrupts (via a cq notify).
Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some sis190 devices don't report LinkChange, so do polling for
link status.
Fixes http://bugzilla.kernel.org/show_bug.cgi?id=11926
Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Conflicts:
arch/arm/plat-omap/Kconfig
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci
* 'davinci-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci: (40 commits)
DaVinci DM365: Adding support for SPI EEPROM
DaVinci DM365: Adding DM365 SPI support
DaVinci DM355: Modifications to DM355 SPI support
DaVinci: SPI: Adding header file for SPI support.
davinci: dm646x: CDCE clocks: davinci_clk converted to clk_lookup
davinci: clkdev cleanup: remove clk_lookup wrapper, use clkdev_add_table()
DaVinci: DM365: Voice codec support for the DM365 SoC
davinci: clock: let clk->set_rate function sleep
Add SDA and SCL pin numbers to i2c platform data
davinci: da8xx/omap-l1xx: Add EDMA platform data for da850/omap-l138
davinci: build list of unused EDMA events dynamically
davinci: Fix edma_alloc_channel api for EDMA_CHANNEL_ANY case
davinci: Keep count of channel controllers on a platform
davinci: Correct return value of edma_alloc_channel api
davinci: add CDCE949 support on DM6467 EVM
davinci: add support for CDCE949 clock synthesizer
davinci: da850/omap-l138 EVM: register for suspend support
davinci: da850/omap-l138: add support for SoC suspend
davinci: add power management support
DaVinci: DM365: Changing default queue for DM365.
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: (38 commits)
sata_via: Delay on vt6420 when starting ATAPI DMA write
ata: Detect Delkin Devices compact flash
pata_efar: Enable parallel scanning
pata_atiixp: enable parallel scan
[libata] pata_atiixp: add locking for parallel scanning
[libata] pata_efar: add locking for parallel scanning
libata: Pass host flags into the pci helper
[libata] pata_marvell: CONFIG_AHCI is really CONFIG_SATA_AHCI
libata: Allow pata_legacy to be built on non-ISA but PCI systems
pata_pdc202xx_old: fix UDMA mode for PDC2026x chipsets
pata_pdc202xx_old: fix UDMA mode for Promise UDMA33 cards
[libata] pata_at91: fix backslash-continued string
pata_via: store UDMA masks in via_isa_bridges table
pata_via: fix address setup timings underlocking
pata_serverworks: fix error message
pata_serverworks: fix PIO setup for the second channel
pata_efar: fix secondary port support
pata_cypress: fix PIO timings underclocking
pata_cs5535: use correct values for PIO1 and PIO2 data timings
pata_cmd64x: remove unused definitions
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When writing a disc on certain lite-on dvd-writers (also rebadged
as optiarc/LG/...) connected to a vt6420, the ATAPI CDB ends
up in the datastream and on the disc, causing silent corruption.
Delaying between sending the CDB and starting DMA seems to
prevent this.
I do not know if there are burners that do not suffer from
this, but the patch should be safe for those as well.
There are many reports of this issue, but AFAICT no solution was
found before. For example:
http://lkml.indiana.edu/hypermail/linux/kernel/0802.3/0561.html
Signed-off-by: Bart Hartgers <bart.hartgers@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Again originally proposed by Bartlomiej but this does it by using the
generic helper logic instead.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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This was originally proposed by Bartlomiej but as a device specific
expansion of the init_one function rather than making the helper more
generic.
Enable the parallel scan via the generic flags.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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This is similar change as commit 60c3be3 for ata_piix host driver
and while pata_atiixp doesn't enable parallel scan yet the race
could probably also be triggered by requesting re-scanning of both
ports at the same time using SCSI sysfs interface.
[Ported to current tree without other patch dependancies by Alan Cox]
Original is
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This one is
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Add clearing of UDMA enable bit also for PIO modes and then add
extra locking for parallel scanning.
This is similar change as commit 60c3be3 for ata_piix host driver
and while pata_efar doesn't enable parallel scan yet the race could
probably also be triggered by requesting re-scanning of both ports
at the same time using SCSI sysfs interface.
[Ported to current kernel without other patch dependancies by
Alan Cox]
Original is
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This one is
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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This allows parallel scan and the like to be set without having to stop
using the existing full helper functions. This patch merely adds the argument
and fixes up the callers. It doesn't undo the special cases already in the
tree or add any new parallel callers.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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The marvell driver comtains a fallback to ahci for the sata ports
which is incorrectly checked as CONFIG_AHCI while the only AHCI config
item is actually called SATA_AHCI (which also sounds sensible
considering it's a fallback for the sata ports).
Signed-off-by: Christoph Egger <siccegge@stud.informatik.uni-erlangen.de>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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This is needed for some unsupported hardware setups on strange 64bit
mainboards where crazy stuff has been done like putting flash ata adapters
on the LPC bus, or where the real hardware is hidden/confused.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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PDC2026x chipsets need the same treatment as PDC20246 one.
This is completely untested but will hopefully fix UDMA issues
that people have been reporting against pata_pdc202xx_old for
the last couple of years.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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On Monday 04 January 2010 02:30:24 pm Russell King wrote:
> Found the problem - getting rid of the read of the alt status register
> after the command has been written fixes the UDMA CRC errors on write:
>
> @@ -676,7 +676,8 @@ void ata_sff_exec_command(struct ata_port *ap, const struct
> ata_taskfile *tf)
> DPRINTK("ata%u: cmd 0x%X\n", ap->print_id, tf->command);
>
> iowrite8(tf->command, ap->ioaddr.command_addr);
> - ata_sff_pause(ap);
> + ndelay(400);
> +// ata_sff_pause(ap);
> }
> EXPORT_SYMBOL_GPL(ata_sff_exec_command);
>
>
> This rather makes sense. The PDC20247 handles the UDMA part of the
> protocol. It has no way to tell the PDC20246 to wait while it suspends
> UDMA, so that a normal register access can take place - the 246 ploughs
> on with the register access without any regard to the state of the 247.
>
> If the drive immediately starts the UDMA protocol after a write to the
> command register (as it probably will for the DMA WRITE command), then
> we'll be accessing the taskfile in the middle of the UDMA setup, which
> can't be good. It's certainly a violation of the ATA specs.
Fix it by adding custom ->sff_exec_command method for UDMA33 chipsets.
Debugged-by: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Noticed and rough patch by Joe Perches.
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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* store UDMA masks in via_isa_bridges[] and while at it make "flags"
field to be u8 instead of u16
* convert the driver to use UDMA masks from via_isa_bridges[]
* remove no longer needed VIA_UDMA* defines
Make some minor documentation and CodingStyle fixes while at it.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Correct via_do_set_mode() documentation while at it.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Timing registers should be programmed with the desired number of clocks
minus one clock.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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There shouldn't be any problems with it as IDE cs5535 host driver
has been using those values for years and they match values given
in the (publicly available) datasheet.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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s/ARTIM2/ARTTIM23/ in cmd648_bmdma_stop() while at it
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Clear the primary channel pending interrupt bit
instead of the reserved one.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Account for the requirements of the DMA mode currently used
by the pair device.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Fix incorrect handling of recovery clocks value == 16 resulting
in overclocked recovery timings & potentially underclocked active
timings.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Use standard cycle timing for CFA PIO5 and PIO6 modes.
Based on commit 74638c8 for IDE subsystem.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Before only the timings for master were set. Datasheet can be found
here: ftp://ftp.vtbridge.org/Docs/Storage/DS_VT6421A_100_CCPL.PDF
Surprisingly, a slave drive works without this patch. According to the
datasheet, the controller by default derives the DMA mode from the
Set Features command issued to a drive. Not sure about the PIO
timings, though. The real problem is that the timings for the master
effectively are the ones tuned for the slave. If these support
different UDMA-settings, there is trouble, especially when the slave
supports a higher UDMA than the master.
Anyhow, using the same mechanism for both master and slave seems like
a good idea.
Signed-off-by: Bart Hartgers <bart.hartgers@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Make some variables in ahci and a function in pata_pcmcia static, as found
using sparse.
Signed-off-by: Robert Hancock <hancockrwd@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Traditional IDE interface sucks in that it doesn't have a reliable IRQ
pending bit, so if the controller raises IRQ while the driver is
expecting it not to, the IRQ won't be cleared and eventually the IRQ
line will be killed by interrupt subsystem. Some controllers have
non-standard mechanism to indicate IRQ pending so that this condition
can be detected and worked around.
This patch adds an optional operation ->sff_irq_check() which will be
called for each port from the ata_sff_interrupt() if an unexpected
interrupt is received. If the operation returns %true,
->sff_check_status() and ->sff_irq_clear() will be cleared for the
port. Note that this doesn't mark the interrupt as handled so it
won't prevent IRQ subsystem from killing the IRQ if this mechanism
fails to clear the spurious IRQ.
This patch also implements ->sff_irq_check() for ata_piix. Note that
this adds slight overhead to shared IRQ operation as IRQs which are
destined for other controllers will trigger extra register accesses to
check whether IDE interrupt is pending but this solves rare screaming
IRQ cases and for some curious reason also helps weird BIOS related
glitch on Samsung n130 as reported in bko#14314.
http://bugzilla.kernel.org/show_bug.cgi?id=14314
* piix_base_ops dropped as suggested by Sergei.
* Spurious IRQ detection doesn't kick in anymore if polling qc is in
progress. This provides less protection but some controllers have
possible data corruption issues if the wrong register is accessed
while a command is in progress.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Johannes Stezenbach <js@sig21.net>
Reported-by: Hans Werner <hwerner4@gmx.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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host->ports[i] is never NULL if i < host->n_ports and non-NULL return
from ata_qc_from_tag() guarantees that the returned qc is active.
Drop unnecessary tests.
Superflous () dropped as suggested by Sergei.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Tested on AMD internal reference board.
Signed-off-by: Shane Huang <shane.huang@amd.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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HPT36x chips just don't have DPLL.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Describe UDMA timing bits 18-20 and 21 separately; add a note to bit
31 about it being meaningful for PIO only. Reformat the whole comment,
while at it...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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There's no need to clear the fast interrupt bit in hpt366_set_mode()
since we're doing it in hpt366_init_chipset() already.
While at it, rename 'addr1' local variable to 'addr' and
exclude 'ap->port_no' from its calculation as HPT36x are
single-channel-per-function chips.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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As these drivers' set_piomode() and set_dmamode() methods are almost
identical, factor out the common hpt{37x|3x2n}_set_mode() function
to be called by both of them, the same as in 'pata_hpt366' driver.
This results in ~5% decrease in the 'pata_hpt37x' driver binary
size and in ~4% decrease in the 'pata_hpt3x2n' driver binary size
(as measured on x86-32).
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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The UltraDMA Tss timing must be stretched with ATA clock of 66 MHz, but the
driver only does this when PCI clock is 66 MHz, whereas it always programs
DPLL clock (which is used as the ATA clock) to 66 MHz.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: <stable@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Use ATA_DMA_* constants instead of the bare numbers for the BMIDE registers.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (62 commits)
Input: atkbd - release previously reserved keycodes 248 - 254
Input: add KEY_WPS_BUTTON definition
Input: ads7846 - add regulator support
Input: winbond-cir - fix suspend/resume
Input: gamecon - use pr_err() and friends
Input: gamecon - constify some of the setup structures
Input: gamecon - simplify pad type handling
Input: gamecon - simplify coordinate calculation for PSX
Input: gamecon - fix some formatting issues
Input: gamecon - add rumble support for N64 pads
Input: wacom - add device type to device name string
Input: s3c24xx_ts - report touch only when stylus is down
Input: s3c24xx_ts - re-enable IRQ on resume
Input: wacom - constify product features data
Input: wacom - use per-device instance of wacom_features
Input: sh_keysc - enable building on SH-Mobile ARM
Input: wacom - get features from driver info
Input: rotary-encoder - set gpio direction for each requested gpio
Input: sh_keysc - update the driver with mode 6
Input: sh_keysc - switch to using bitmaps
...
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