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It was always set to ata_port_disable(). Removed the hook, and replaced
the very few ap->ops->port_disable() callsites with direct calls to
ata_port_disable().
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Combined from two Alan Cox patches:
1) libata: ACPI checks for 80wire cable
We can use the ACPI mode information with several drivers as a hint to
cable type. If the ACPI mode set by the BIOS is faster than UDMA33 then
we know the BIOS thinks there are 80wire cables. If it doesn't set such a
mode or it has no ACPI method then we get no further information and can
rely on existing approaches
Introduce the function headers needed. Null it out for non ACPI boxes
Signed-off-by: Alan Cox <alan@redhat.com>
2) libata: ACPI checks for 80wire cable
Provide actual methods for checking if the ACPI support thinks the cable
is 80wire, or doesn't know
Signed-off-by: Alan Cox <alan@redhat.com>
Combined into a single changeset and
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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* ->irq_ack() is redundant to what the irq handler already
performs... chk-status + irq-clear. Furthermore, it is only
called in one place, when screaming-irq-debugging is enabled,
so we don't want to bother with a hook just for that.
* ata_dummy_irq_on() is only ever used in drivers that have
no callpath reaching ->irq_on(). Remove .irq_on hook from
those drivers, and the now-unused ata_dummy_irq_on()
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Tell the compiler that [__]ata_ehi_push_desc() functions take printf
style format string and arguments.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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ata_wait_idle() identified controller by printing out the address of
the Status register. This is bogus because 1. it's iomapped address
2. some controllers don't have Status register and don't initialize
the field. Use ata_port_printk() instead.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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When we get an SDB FIS with the 'N' bit set, we should send
an event to user space to indicate that there has been a
media change. This will be done via the scsi device.
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Check to see if an ATAPI device supports Asynchronous Notification.
If so, enable it, if the host controller supports AN.
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Debugging a report of a problem with an ancient solid state disk showed
up some problems in the IORDY handling
1. We check the wrong bit to see if the device has IORDY
2. Even then some ancient creaking piles of crap don't support
SETXFER at all.
The cases it fixes are obscure and the risk of side effects is slight
but possible. This also moves us slightly closer to supporting original
MFM/RLL disks with libata.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Add link->pmp, ap->nr_pmp_links, ap->pmp_link[], and implement/update
link helpers.
printk helpers are updated such that port and link are identifed as
'ataP:' if no PMP is attached, while device is identified as
'ataP.DD:'. If PMP is attached, they become 'ataP:', 'ataP.LL:' and
'ataP.LL' - ie. link and device are identified their PMP number.
If PPM is attached (ap->nr_pmp_links != 0), ata_for_each_link()
iterates over PMP links, while __ata_for_each_link() iterates over the
host link + PMP links. If PMP is not attached (ap->nr_pmp_links ==
0), both iterate over only the host link.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Implement ata_link_abort().
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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HRST_TO_RESUME and SKIP_D2H_BSY are link attributes. Move them to
ata_link->flags. This will allow host and PMP links to have different
attributes. ata_port_info->link_flags is added and used by LLDs to
specify these flags during initialization.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Make the following functions deal with ata_link instead of ata_port.
* ata_set_mode()
* ata_eh_autopsy() and related functions
* ata_eh_report() and related functions
* suspend/resume related functions
* ata_eh_recover() and related functions
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Make reset methods and related functions deal with ata_link instead of
ata_port.
* ata_do_reset()
* ata_eh_reset()
* all prereset/reset/postreset methods and related functions
This patch introduces no behavior change.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Make the following PHY-related functions to deal with ata_link instead
of ata_port.
* sata_print_link_status()
* sata_down_spd_limit()
* ata_set_sata_spd_limit() and friends
* sata_link_debounce/resume()
* sata_scr_valid/read/write/write_flush()
* ata_link_on/offline()
This patch introduces no behavior change.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Multiple links and different number of devices per link should be
considered to iterate over links and devices. This patch implements
and uses link and device iterators - ata_port_for_each_link() and
ata_link_for_each_dev() - and ata_link_max_devices().
This change makes a lot of functions iterate over only possible
devices instead of from dev 0 to dev ATA_MAX_DEVICES. All such
changes have been examined and nothing should be broken.
While at it, add a separating comment before device helpers to
distinguish them better from link helpers and others.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Introduce ata_link. It abstracts PHY and sits between ata_port and
ata_device. This new level of abstraction is necessary to support
SATA Port Multiplier, which basically adds a bunch of links (PHYs) to
a ATA host port. Fields related to command execution, spd_limit and
EH are per-link and thus moved to ata_link.
This patch only defines the host link. Multiple link handling will be
added later. Also, a lot of ap->link derefences are added but many of
them will be removed as each part is converted to deal directly with
ata_link instead of ata_port.
This patch introduces no behavior change.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: James Bottomley <James.Bottomley@SteelEye.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (408 commits)
[POWERPC] Add memchr() to the bootwrapper
[POWERPC] Implement logging of unhandled signals
[POWERPC] Add legacy serial support for OPB with flattened device tree
[POWERPC] Use 1TB segments
[POWERPC] XilinxFB: Allow fixed framebuffer base address
[POWERPC] XilinxFB: Add support for custom screen resolution
[POWERPC] XilinxFB: Use pdata to pass around framebuffer parameters
[POWERPC] PCI: Add 64-bit physical address support to setup_indirect_pci
[POWERPC] 4xx: Kilauea defconfig file
[POWERPC] 4xx: Kilauea DTS
[POWERPC] 4xx: Add AMCC Kilauea eval board support to platforms/40x
[POWERPC] 4xx: Add AMCC 405EX support to cputable.c
[POWERPC] Adjust TASK_SIZE on ppc32 systems to 3GB that are capable
[POWERPC] Use PAGE_OFFSET to tell if an address is user/kernel in SW TLB handlers
[POWERPC] 85xx: Enable FP emulation in MPC8560 ADS defconfig
[POWERPC] 85xx: Killed <asm/mpc85xx.h>
[POWERPC] 85xx: Add cpm nodes for 8541/8555 CDS
[POWERPC] 85xx: Convert mpc8560ads to the new CPM binding.
[POWERPC] mpc8272ads: Remove muram from the CPM reg property.
[POWERPC] Make clockevents work on PPC601 processors
...
Fixed up conflict in Documentation/powerpc/booting-without-of.txt manually.
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Allow a fixed framebuffer address to be assigned to the framebuffer device
instead of allocating the framebuffer from the consistent memory pool.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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Some custom implementations of the xilinx fb can use resolutions other
than 640x480. This patch allows the resolution to be specified in the
device tree or the xilinx_platform_data structure.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (87 commits)
mlx4_core: Fix section mismatches
IPoIB: Allow setting policy to ignore multicast groups
IB/mthca: Mark error paths as unlikely() in post_srq_recv functions
IB/ipath: Minor fix to ordering of freeing and zeroing of tid pages.
IB/ipath: Remove redundant link state checks
IB/ipath: Fix IB_EVENT_PORT_ERR event
IB/ipath: Better handling of unexpected GPIO interrupts
IB/ipath: Maintain active time on all chips
IB/ipath: Fix QHT7040 serial number check
IB/ipath: Indicate a couple of chip bugs to userspace
IB/ipath: iba6110 rev4 no longer needs recv header overrun workaround
IB/ipath: Use counters in ipath_poll and cleanup interrupts in ipath_close
IB/ipath: Remove duplicate copy of LMC
IB/ipath: Add ability to set the LMC via the sysfs debugging interface
IB/ipath: Optimize completion queue entry insertion and polling
IB/ipath: Implement IB_EVENT_QP_LAST_WQE_REACHED
IB/ipath: Generate flush CQE when QP is in error state
IB/ipath: Remove redundant code
IB/ipath: Future proof eeprom checksum code (contents reading)
IB/ipath: UC RDMA WRITE with IMMEDIATE doesn't send the immediate
...
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (867 commits)
[SKY2]: status polling loop (post merge)
[NET]: Fix NAPI completion handling in some drivers.
[TCP]: Limit processing lost_retrans loop to work-to-do cases
[TCP]: Fix lost_retrans loop vs fastpath problems
[TCP]: No need to re-count fackets_out/sacked_out at RTO
[TCP]: Extract tcp_match_queue_to_sack from sacktag code
[TCP]: Kill almost unused variable pcount from sacktag
[TCP]: Fix mark_head_lost to ignore R-bit when trying to mark L
[TCP]: Add bytes_acked (ABC) clearing to FRTO too
[IPv6]: Update setsockopt(IPV6_MULTICAST_IF) to support RFC 3493, try2
[NETFILTER]: x_tables: add missing ip6t_modulename aliases
[NETFILTER]: nf_conntrack_tcp: fix connection reopening
[QETH]: fix qeth_main.c
[NETLINK]: fib_frontend build fixes
[IPv6]: Export userland ND options through netlink (RDNSS support)
[9P]: build fix with !CONFIG_SYSCTL
[NET]: Fix dev_put() and dev_hold() comments
[NET]: make netlink user -> kernel interface synchronious
[NET]: unify netlink kernel socket recognition
[NET]: cleanup 3rd argument in netlink_sendskb
...
Fix up conflicts manually in Documentation/feature-removal-schedule.txt
and my new least favourite crap, the "mod_devicetable" support in the
files include/linux/mod_devicetable.h and scripts/mod/file2alias.c.
(The latter files seem to be explicitly _designed_ to get conflicts when
different subsystems work with them - that have an absolutely horrid
lack of subsystem separation!)
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (24 commits)
ide: use only ->set_pio_mode method for programming PIO modes (take 2)
sis5513: don't change UDMA settings when programming PIO
it8213/piix/slc90e66: don't change DMA settings when programming PIO
alim15x3: PIO mode setup fixes
siimage: fix ->set_pio_mode method to select PIO data transfer
cs5520: don't enable VDMA in ->speedproc
sc1200: remove redundant warning message from sc1200_tune_chipset()
ide-pmac: PIO mode setup fixes (take 3)
icside: fix ->speedproc to return on unsupported modes (take 5)
sgiioc4: use ide_tune_dma()
amd74xx/via82cxxx: use ide_tune_dma()
ide: add ide_set{_max}_pio() (take 4)
ide: Kconfig face-lift
ide: move ide_rate_filter() calls to the upper layer (take 2)
sis5513: add ->udma_filter method for chipset_family >= ATA_133
ide: mode limiting fixes for user requested speed changes
ide: add missing ide_rate_filter() calls to ->speedproc()-s
ide: call udma_filter() before resorting to the UltraDMA mask
ide: make jmicron match vendor and device class
pdc202xx_new: switch to using pci_get_slot() (take 2)
...
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* 'for-linus' of git://git.o-hand.com/linux-rpurdie-backlight:
backlight: Convert corgi backlight driver into a more generic driver
backlight: Add Samsung LTV350QV LCD driver
backlight: Fix cr_bllcd allocations and error paths
backlight/leds: Make two structs static
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6
* 'dmi-const' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6:
drivers/firmware: const-ify DMI API and internals
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* 'block-2.6.24' of git://git.kernel.dk/data/git/linux-2.6-block: (37 commits)
[BLOCK] Fix failing compile with BLK_DEV_IO_TRACE=n
compat_ioctl: move floppy handlers to block/compat_ioctl.c
compat_ioctl: move cdrom handlers to block/compat_ioctl.c
compat_ioctl: move BLKPG handling to block/compat_ioctl.c
compat_ioctl: move hdio calls to block/compat_ioctl.c
compat_ioctl: handle blk_trace ioctls
compat_ioctl: add compat_blkdev_driver_ioctl()
compat_ioctl: move common block ioctls to compat_blkdev_ioctl
Sysace: Don't enable IRQ until after interrupt handler is registered
Sysace: sparse fixes
Sysace: Minor coding convention fixup
drivers/block/umem: use DRIVER_NAME where appropriate
drivers/block/umem: trim trailing whitespace
drivers/block/umem: minor cleanups
drivers/block/umem: use dev_printk()
drivers/block/umem: move private include away from include/linux
Sysace: Labels in C code should not be indented.
Sysace: Add of_platform_bus binding
Sysace: Move IRQ handler registration to occur after FSM is initialized
Sysace: minor rework and cleanup changes
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (310 commits)
V4L/DVB (6316): Change list_for_each+list_entry to list_for_each_entry
V4L/DVB (6315): pvrusb2: Change list_for_each+list_entry to list_for_each_entry
V4L/DVB (6314): saa7134: Replace list_for_each+list_entry with list_for_each_entry
V4L/DVB (6313): ivtv: Replace list_for_each+list_entry with list_for_each_entry
V4L/DVB (6312): cx88: Replace list_for_each+list_entry with list_for_each_entry
V4L/DVB (6311): dvb: Replace list_for_each+list_entry with list_for_each_entry
V4L/DVB (6308): V4L: zc0301, remove bad usage of ERESTARTSYS
V4L/DVB (6307): V4L: w9968cf, remove bad usage of ERESTARTSYS
V4L/DVB (6306): Few clenups for saa7134 resume code
V4L/DVB (6305): V4L: videobuf-core.c avoid NULL dereferences in videobuf-core
V4L/DVB (6301): pvrusb: Update DEBUGIFC sysfs to kernel 2.6.13+
V4L/DVB (6300): CodingStyle cleanup
V4L/DVB (6299): dvb: Add dependencies for VIDEOBUF_DVB
V4L/DVB (6297): cx23885: remove wrong Kconfig selection of VIDEOBUF
V4L/DVB (6296): dib0700: add support for AverMedia DVB-T Express card
V4L/DVB (6295): saa7134: add autodetection for KWorld ATSC-115
V4L/DVB (6293): V4L: convert struct class_device to struct device
V4L/DVB (6292): videobuf_core init always require callback implementation
V4L/DVB (6291): Fix: avoid oops on some SMP machines
V4L/DVB (6290): remove videobuf_set_pci_ops
...
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git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: (67 commits)
mmc: don't use weight32()
pxamci: support arbitrary block size
sdio: make the IRQ thread more resilient in the presence of bad states
sdio: fix IRQ diagnostic message
sdhci: remove old dma module params
sdhci: add SDHCI_QUIRK_BROKEN_DMA quirk
sdhci: remove DMA capability check from controller's PCI Class reg
sdhci: fix a typo
mmc: Disabler for Ricoh MMC controller
sdio: adaptive interrupt polling
mmc: pxamci: add SDIO card interrupt reporting capability
mmc: pxamci: set proper buswidth capabilities according to PXA flavor
mmc: pxamci: set proper block capabilities according to PXA flavor
mmc: pxamci: better pending IRQ determination
arm: i.MX/MX1 SDHC implements SD cards read-only switch read-back
mmc: add led trigger
mmc_spi host driver
MMC core learns about SPI
MMC/SD card driver learns SPI
MMC headers learn about SPI
...
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This addition of lost_retrans_low to tcp_sock might be
unnecessary, it's not clear how often lost_retrans worker is
executed when there wasn't work to do.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* Add IDE_HFLAG_ABUSE_{PREFETCH,FAST_DEVSEL,DMA_MODES} flags
and set them in ht6560, cmd640, cmd64x and sc1200 host drivers.
* Add set_pio_mode_abuse() for checking if host driver has a non-standard
->tuneproc() implementation and use it in do_special().
* Add ide_set_pio() for setting PIO mode (it uses hwif->pio_mask to find
the maximum PIO mode supported by the host), also add ide_set_max_pio()
wrapper for ide_set_pio() to use for auto-tuning. Convert users of
->tuneproc to use ide_set{_max}_pio() where possible. This leaves only
do_special(), set_using_pio(), ide_hwif_restore() and ide_set_pio() as
a direct users of ->tuneproc.
* Remove no longer needed ide_get_best_pio_mode() calls and printk-s
reporting PIO mode selected from ->tuneproc implementations.
* Rename ->tuneproc hook to ->set_pio_mode and make 'pio' argument const.
* Remove stale comment from ide_config_drive_speed().
v2:
* Fix "ata_" prefix (Noticed by Jeff).
v3:
* Minor cleanups/fixups per Sergei's suggestions.
v4:
* Fix compile problem in drivers/ide/pci/cmd640.c
(Noticed by Andrew Morton).
* Improve some ->set_pio_mode comments.
Reviewed-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Move ide_rate_filter() calls from host drivers to IDE core.
* Make ide_rate_filter() static.
* Make 'speed' argument of ->speedproc const.
v2:
* Fix it8213_tune_chipset() comment.
There should be no functionality changes caused by this patch.
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Add an extra argument to ide_max_dma_mode() for passing requested transfer
mode. Use it as an upper limit when finding the best DMA for device/host.
* Rename ide_max_dma_mode() to ide_find_dma_mode() and at the same time add
ide_max_dma_mode() wrapper which passes XFER_UDMA_6 as a requested mode to
ide_find_dma_mode(). Also add inline ide_find_dma_mode() version for
CONFIG_BLK_DEV_IDEDMA=n case.
* Pass requested transfer mode from ide_find_dma_mode() to ide_get_mode_mask()
to avoid false warning from eighty_ninty_three().
* Use ide_find_dma_mode() to limit the user requested transfer mode in
ide_rate_filter(). Also limit the requested mode by host max PIO mode.
Above changes make ide_rate_filter() to:
* Clip desired transfer mode down if it is invalid (values 0x0F, 0x13-0x19
and 0x25-0x39, values > 0x46 were already clipped down, same for values
0x25-0x39 but iff UDMA was not supported by the host).
* Clip desired transfer mode down if it is currently unsupported by IDE core
(PIO6 and MWDMA3-4, the latter were already clipped down but iff UDMA was
not supported by the host).
* Clip desired transfer mode down according to the host capabilities
(UDMA modes were already clipped down but MWDMA/SWDMA/PIO weren't,
also ->atapi_dma flag was not respected).
* Clip desired transfer mode down according to the device capabilities
(except PIO modes for now which require mode work) - shouldn't be a
problem since ide_set_xfer_rate() is called _after_ device has accepted
given transfer mode.
and also result in a number of host driver specific bugfixes:
* icside
- clip unsupported PIO5 mode down
- fix unsupported/invalid modes being set in drive->current_speed
* ide-cris
- clip unsupported PIO5 and SWDMA0-2 modes down
- clip DMA modes down for ATAPI devices
- fix BUG() on unsupported/invalid modes
* au1xxx-ide
- clip unsupported PIO5, SWDMA0-2 and MWDMA0-2
(if BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA=n) modes down
* aec62xx
- clip unsupported PIO5 and SWDMA0-2 modes down
- clip DMA modes down for ATAPI devices
- fix 0x00 being programmed as PIO timing for unsupported/invalid modes
- fix unsupported/invalid modes being set on the device
* alim15x3
- clip DMA modes down for ATAPI devices (chipset revision == 0x20 only)
- fix theoretical OOPS for 0x0F mode
- fix unsupported/invalid modes being set on the device
* amd74xx
- clip unsupported SWDMA0-2 (on COBRA_7401 revs <= 7) modes down
- fix random PIO timings being set for unsupported/invalid modes
- fix unsupported/invalid modes being set on the device
* atiixp
- clip unsupported PIO5 and SWDMA0-2 modes down
- fix cached MWDMA mode being cleared for unsupported/invalid modes
- fix PIO{0,2} timings being programmed for unsupported/invalid modes
- fix theoretical OOPS for PIO5-6 and 0x0F modes
- fix unsupported/invalid modes being set on the device
* cmd64x
- clip unsupported SWDMA0-2 modes down
* cs5530
- clip unsupported PIO5 and SWDMA0-2 modes down
- fix unsupported/invalid modes being set on the device
- fix BUG() on unsupported/invalid modes
(which happened if the device accepted the setting)
* cs5535
- clip unsupported PIO5 and SWDMA0-2 modes down
- fix unsupported/invalid modes being set on the device
- fix theoretical OOPS for PIO5-6 and 0x0F modes
* hpt34x
- clip DMA modes down for ATAPI devices
- fix invalid timings being programmed for unsupported/invalid modes
- fix unsupported/invalid modes being set on the device
* hpt366
- clip unsupported PIO5 and SWDMA0-2 modes down
- fix PIO0 timings being programmed for unsupported/invalid modes
- fix DMA timings being cleared for MWDMA3-4 and 0x25-0x39 modes
- fix unsupported/invalid modes being set on the device
* it8213
- clip unsupported PIO5, SWDMA0-1 and MWDMA0 modes down
* it821x
- clip unsupported PIO5 and SWDMA0-2 modes down
- clip DMA modes down for ATAPI devices
(chipset in smart mode and revision 0x10 in pass-through mode)
* jmicron
- clip unsupported SWDMA0-2 modes down
- fix unsupported/invalid modes being set on the device
* pdc202xx_new
- clip unsupported PIO5 and SWDMA0-2 modes down
- fix unsupported/invalid modes being set on the device
* pdc202xx_old
- clip unsupported PIO5 mode down
- fix incorrect timings being set for unsupported/invalid modes
- fix unsupported/invalid modes being set on the device
* piix
- clip unsupported PIO5, SWDMA0-1 and MWDMA0 modes down
* sc1200
- clip unsupported PIO5 and SWDMA0-2 modes down
- fix unsupported/invalid modes being set on the device
- fix BUG() on unsupported/invalid modes
(which happened if the device accepted the setting)
* scc_pata
- clip unsupported PIO5, SWDMA0-2 and MWDMA0-2 modes down
* serverworks
- clip unsupported PIO5 and SWDMA0-2 modes down
- fix DMA/UDMA timings/settings being cleared for unsupported/invalid modes
- fix unsupported/invalid modes being set on the device
* siimage
- clip unsupported PIO5 and SWDMA0-2 modes down
- clip DMA modes down for ATAPI devices (SATA chipsets)
* sis5513
- clip unsupported PIO5 mode down
- fix BUG() on unsupported/invalid modes
* sl82c105
- clip unsupported SWDMA0-2 modes down
* slc90e66
- clip unsupported PIO5, SWDMA0-1 and MWDMA0 modes down
* tc86c001
- clip unsupported PIO5 and SWDMA0-2 modes down
- fix PIO0 timings being programmed for PIO5/0x0F/SWDMA0-2/0x13-0x19 modes
- fix invalid 0x00 DMA timing being programmed for MWDMA3-4/0x25-0x39 modes
- fix unsupported/invalid modes being set on the device
* triflex
- clip unsupported PIO5 mode down
* via82cxxx
- fix random PIO timings being set for unsupported/invalid modes
- fix unsupported/invalid modes being set on the device
* pmac
- clip unsupported PIO5 and SWDMA0-2 modes down
* cmd640/ht6560b
- clip DMA modes down (if CONFIG_BLK_DEV_IDEDMA=y)
- fix PIO5 being clipped to PIO4 (if CONFIG_BLK_DEV_IDEDMA=n)
* opti621
- clip DMA modes down (if CONFIG_BLK_DEV_IDEDMA=y)
- clip unsupported PIO4 to PIO3 (if CONFIG_BLK_DEV_IDEDMA=n)
While at it:
* Use ide_rate_filter() in cs5520.c::cs5520_tune_chipset().
* Remove no longer needed checks from hpt366.c::hpt3{6,7}x_tune_chipset().
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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ACPI spec defines the sequence of IDE power on/off:
Powering down:
Call _GTM.
Power down drive (calls _PS3 method and turns off power planes).
Powering up:
Power up drive (calls _PS0 method if present and turns on power planes).
Call _STM passing info from _GTM (possibly modified), with ID data from
each drive.
Initialize the channel.
May modify the results of _GTF.
For each drive:
Call _GTF.
Execute task file (possibly modified).
This patch adds the missed _PS0/_PS3 methods call.
Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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The Marvell bridge chips used on HighPoint SATA cards do not seem to support
the MWDMA modes (at least that could be seen in their so-called drivers :-),
so the driver needs to account for this -- to achieve this:
- add mdma_filter() method from the original patch by Bartlomiej Zolnierkiewicz
with his consent;
- install the method for all chips to only return empty mask if a SATA drive
is detected on HPT372{AN]/374 chips...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Convert the corgi backlight driver to a more generic version
so it can be reused by other code rather than being Zaurus/PXA
specific.
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
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I get a compilation error in sglist-arch branch
with BLK_DEV_IO_TRACE=n:
CC block/compat_ioctl.o
/usr0/export/dev/bharrosh/git/pub/linux-2.6-block/block/compat_ioctl.c: In
function ?compat_blk_trace_setup?:
/usr0/export/dev/bharrosh/git/pub/linux-2.6-block/block/compat_ioctl.c:568:
error: expected expression before ?do?
make[2]: *** [block/compat_ioctl.o] Error 1
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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As discussed before, this patch provides userland with a way to access
relevant options in Router Advertisements, after they are processed
and validated by the kernel. Extra options are processed in a generic
way; this patch only exports RDNSS options described in RFC5006, but
support to control which options are exported could be easily added.
A new rtnetlink message type is defined, to transport Neighbor
Discovery options, along with optional context information. At the
moment only the address of the router sending an RDNSS option is
included, but additional attributes may be later defined, if needed by
new use cases.
Signed-off-by: Pierre Ynard <linkfanel@yahoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Trivial fix: Swap comments for dev_put() and dev_hold() to get them
at the right place.
Typo introduced by 4fa57c9ea9f36f9ca852f3a88ca5d2f1aebbc960.
Signed-of-by: Benjamin Thery <benjamin.thery@bull.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch make processing netlink user -> kernel messages synchronious.
This change was inspired by the talk with Alexey Kuznetsov about current
netlink messages processing. He says that he was badly wrong when introduced
asynchronious user -> kernel communication.
The call netlink_unicast is the only path to send message to the kernel
netlink socket. But, unfortunately, it is also used to send data to the
user.
Before this change the user message has been attached to the socket queue
and sk->sk_data_ready was called. The process has been blocked until all
pending messages were processed. The bad thing is that this processing
may occur in the arbitrary process context.
This patch changes nlk->data_ready callback to get 1 skb and force packet
processing right in the netlink_unicast.
Kernel -> user path in netlink_unicast remains untouched.
EINTR processing for in netlink_run_queue was changed. It forces rtnl_lock
drop, but the process remains in the cycle until the message will be fully
processed. So, there is no need to use this kludges now.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
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netlink_sendskb does not use third argument. Clean it and save a couple of
bytes.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds rest of the miscellaneous code required to support the
5761.
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch removes the duplicate ipv6_{auth,esp,comp}_hdr structures since
they're identical to the IPv4 versions. Duplicating them would only create
problems for ourselves later when we need to add things like extended
sequence numbers.
I've also added transport header type conversion headers for these types
which are now used by the transforms.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch changes the return type of crypto_*_reqsize from int to
unsigned int which matches what the underlying type is (and should
be).
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Since not everyone needs a queue pointer and those who need it can
always get it from the context anyway the queue pointer in the
common alg object is redundant.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds support for having multiple parameters to
a template, separated by a comma. It also adds support
for integer parameters in addition to the current algorithm
parameter type.
This will be used by the authenc template which will have
four parameters: the authentication algorithm, the encryption
algorithm, the authentication size and the encryption key
length.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch adds crypto_aead which is the interface for AEAD
(Authenticated Encryption with Associated Data) algorithms.
AEAD algorithms perform authentication and encryption in one
step. Traditionally users (such as IPsec) would use two
different crypto algorithms to perform these. With AEAD
this comes down to one algorithm and one operation.
Of course if traditional algorithms were used we'd still
be doing two operations underneath. However, real AEAD
algorithms may allow the underlying operations to be
optimised as well.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This function allocates the zeroed chunk of memory and
call seq_open(). The __seq_open_private() helper returns
the allocated memory to make it possible for the caller
to initialize it.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit da3dedd9 ("[NET]: Make NAPI polling independent of struct
net_device objects.") changed the interface to NAPI polling. Fix up
the ibm_emac driver so that it works with this new interface. This is
actually a nice cleanup because ibm_emac is one of the drivers that
wants to have multiple NAPI structures for a single net_device.
Tested with the internal MAC of a PowerPC 440SPe SoC with an AMCC
'Yucca' evaluation board.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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With the net namespaces many code leaved the __init section,
thus making the kernel occupy more memory than it did before.
Since we have a config option that prohibits the namespace
creation, the functions that initialize/finalize some netns
stuff are simply not needed and can be freed after the boot.
Currently, this is almost not noticeable, since few calls
are no longer in __init, but when the namespaces will be
merged it will be possible to free more code. I propose to
use the __net_init, __net_exit and __net_initdata "attributes"
for functions/variables that are not used if the CONFIG_NET_NS
is not set to save more space in memory.
The exiting functions cannot just reside in the __exit section,
as noticed by David, since the init section will have
references on it and the compilation will fail due to modpost
checks. These references can exist, since the init namespace
never dies and the exit callbacks are never called. So I
introduce the __exit_refok attribute just like it is already
done with the __init_refok.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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