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2007-07-20The SATA controller device ID is different according tosu henry
the onchip SATA type set in the system BIOS: Device Device ID SATA in IDE mode 0x4390 SATA in AHCI mode 0x4391 SATA in non-raid5 driver 0x4392 SATA in raid5 driver 0x4393 Although the device ID is different, they use the same AHCI driver .The attached file is the patch for adding these device IDs for ATI SB700. Signed-off-by: henry.su.ati@gmail.com Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20ahci: implement SCR_NOTIFICATION r/wTejun Heo
Make ahci_scr_read/write() handle SCR_NOTIFICATION if the controller supports it. Also, print "sntf" in the cap line if supported. While at it, convert eight space into a tab in ahci_print_info(). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20ahci: make NO_NCQ handling more consistentTejun Heo
ahci_save_initial_config() is responsible for reading, screening the host CAP register and storing the modified result into hpriv->cap for the rest of the driver. Move ATA_FLAG_NO_NCQ handling into ahci_save_initial_config(). It's more consistent this way and the rest of the driver can always refer to hpriv->cap to determine configured capability. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20libata: make ->scr_read/write callbacks return error codeTejun Heo
Convert ->scr_read/write callbacks to return error code to better indicate failure. This will help handling of SCR_NOTIFICATION. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20libata: implement AC_ERR_NCQTejun Heo
When an NCQ command fails, all commands in flight are aborted and the offending one is reported using log page 10h. Depending on controller characteristics and LLD implementation, all commands may appear as having a device error due to shared TF status making it hard to determine what's actually going on. This patch adds AC_ERR_NCQ, marks the command reported by log page 10h with it and print extra "<F>" after the error report for the command to help distinguishing the offending command. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20libata: improve EH report formattingTejun Heo
Requiring LLDs to format multiple error description messages properly doesn't work too well. Help LLDs a bit by making ata_ehi_push_desc() insert ", " on each invocation. __ata_ehi_push_desc() is the raw version without the automatic separator. While at it, make ehi_desc interface proper functions instead of macros. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20sata_sil24: separate out sil24_do_softreset()Tejun Heo
Separate out sil24_do_softreset() which takes @pmp as its last argument. This will be used to implement sil24_pmp_softreset(). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20sata_sil24: separate out sil24_exec_polled_cmd()Tejun Heo
Separate out sil24_exec_polled_cmd() from sil24_softreset(). This will be used to implement sil24_pmp_read/write(). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20sata_sil24: replace sil24_update_tf() with sil24_read_tf()Tejun Heo
Replace sil24_update_tf() to sil24_read_tf() which reads TF into passed int result TF argument and can read TFs of PMP links. This will be used by PMP support. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20ahci: separate out ahci_do_softreset()Tejun Heo
Separate out ahci_do_softreset() which takes @pmp as its last argument. This will be used to implement ahci_pmp_softreset(). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20ahci: separate out ahci_exec_polled_cmd()Tejun Heo
Separate out ahci_exec_polled_cmd() from ahci_softreset(). This will be used to implement ahci_pmp_read/write(). ahci_exec_polled_cmd() performs reset_engine before returning if the command fails (times out). This is to improve robustness. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20ahci: separate out ahci_kick_engine()Tejun Heo
Separate out stop_engine - CLO - start_engine sequence from ahci_softreset() and ahci_clo() into ahci_reset_engine() and use it in ahci_softreset() and ahci_post_internal_cmd(). The function will also be used to prepare for and clean up after PMP register access commands. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20ahci: use deadline instead of fixed timeout for 1st FIS for SRSTTejun Heo
Use deadline instead of fixed timeout for 1st FIS for SRST to improve robustness of SRST. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20libata: add @is_cmd to ata_tf_to_fis()Tejun Heo
Add @is_cmd to ata_tf_to_fis(). This controls bit 7 of the second byte which tells the device whether this H2D FIS is for a command or not. This cleans up ahci a bit and will be used by PMP. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20[libata] Fix reported task file values in sense dataPetr Vandrovec
ata_tf_read was setting HOB bit when lba48 command was submitted, but was not clearing it before reading "normal" data. As it is only place which sets HOB bit in control register, and register reads should not be affected by other bits, let's just clear it when we are done with reading upper bytes so non-48bit commands do not have to touch ctl at all. pata_scc suffered from same problem... Signed-off-by: Petr Vandrovec <petr@vandrovec.name> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20Correct comment in libata-sff.cDave Jones
The filename in the file header is incorrect. Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20pata_scc.c: small fixes (Workaround for errata A308)Akira Iguchi
This patch fixes some issues of the previous patch: - Use mode_filter() hook to limit ATAPI UDMA mode - "data loss" warning message - handling of udma_mask Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Signed-off-by: Akira Iguchi <akira2.iguchi@toshiba.co.jp> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20ahci.c: fix CONFIG_PM=n compilationAlexey Dobriyan
Commit df69c9c5438b4e396a64d42608b2a6c48a3e7475 moved only prototype of out of CONFIG_PM. Move function out as well. Box seems to boot fine. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20libata: add ST9160821AS 3.CLF to NONCQ blacklistTejun Heo
Yay, the first one from Seagate. 3.ALC firmware is okay. This was reported by Sam Freed on bugzilla bug 8759. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Sam Freed <sam@freed.net> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20pata_platform: Fix NULL pointer dereferenceMagnus Damm
pata_platform: Fix NULL pointer dereference pata_platform currently dereferences a NULL pointer in pata_platform_probe() if pdev->dev.platform_data is set to NULL. This breakage was most likely introduced by commit 5f45bc50976ee1f408f7171af155aec646655a37. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20[libata] sata_mv: minor cleanupsJeff Garzik
* trim trailing whitespace * document some flags, registers, and register bits * fix locking around EDMA on/off and configuration * continue replacing "constant OP var" with "var OP constant" * use new pci_try_set_mwi() Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-20[libata] sata_mv: Micro-optimization and cleanupsJeff Garzik
* Micro-optimization in the EDMA interrupt handling code * s/EDMA_ERR_CRBQ_PAR/EDMA_ERR_CRQB_PAR/ * Document EDMA Error Interrupt Cause register bits Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-07-19Merge branch 'kmem_death' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6 * 'kmem_death' of master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6: mm: Remove slab destructors from kmem_cache_create().
2007-07-19fallout from kbuild changesAl Viro
Change in 'kbuild: do section mismatch check on full vmlinux' should've been replicated in arch/um/Makefile. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20mm: Remove slab destructors from kmem_cache_create().Paul Mundt
Slab destructors were no longer supported after Christoph's c59def9f222d44bb7e2f0a559f2906191a0862d7 change. They've been BUGs for both slab and slub, and slob never supported them either. This rips out support for the dtor pointer from kmem_cache_create() completely and fixes up every single callsite in the kernel (there were about 224, not including the slab allocator definitions themselves, or the documentation references). Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2007-07-19Merge master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6: (23 commits) ide: add support for SCSI ioctls to ide-floppy ide: remove stale changelog from setup-pci.c ide: remove stale changelog/comments/TODO from ide.c ide-cris: handle PIO auto-tuning in tune_cris_ide() ide: add PIO masks ide: remove ide_find_best_pio_mode() ide: drop "PIO data" argument from ide_get_best_pio_mode() ide: ide_find_best_pio_mode() fixes (take 2) ide: add ide_pio_cycle_time() helper (take 2) sc1200: remove stale Power Management code ide: ide_start_power_step() fix WRT disabling DMA serverworks: fix DMA serverworks: always tune PIO ide: add ide_pci_device_t.host_flags (take 2) ide: add ide_dev_has_iordy() helper (take 4) ide: make ide_get_best_pio_mode() print info if overriding PIO mode siimage: PIO mode setup fixes (take 2) atiixp: PIO mode setup fixes ide: Stop mapping ROMs IDE: Remove references to dead ETRAX-related variables. ...
2007-07-19coda breakageAl Viro
a) switch by loff_t == __cmpdi2 use. Replaced with a couple of obvious ifs; update of ->f_pos in the first one makes sure that we do the right thing in all cases. b) block_signals() and unblock_signals() are globals on UML. Renamed coda ones; in principle UML probably ought to do rename as well, but that's another story. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-19missed cong_avoid() instanceAl Viro
Removal of rtt argument in ->cong_avoid() had missed tcp_htcp.c instance. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-20ide: add support for SCSI ioctls to ide-floppyBartlomiej Zolnierkiewicz
Now that ide-floppy supports SG_IO we can add support for SCSI ioctls (except deprecated SCSI_IOCTL_SEND_COMMAND and legacy CDROM_SEND_PACKET ones - we can add them later iff really needed). While at it remove handling of CDROMEJECT and CDROMCLOSETRAY ioctls from generic_ide_ioctl(): - This prevents ide-{disk,tape,scsi} device drivers from obtaining REQ_TYPE_BLOCK_PC type requests which are currently unsupported by these drivers and which are potentially harmful (as reported by Andrew). - There is no functionality loss since aforementioned ioctls will now be handled by idefloppy_ioctl()->scsi_cmd_ioctl() (for devices using ide-floppy driver) and by idecd_ioctl->cdrom_ioctl()->scsi_cmd_ioctl() (for devices using ide-cd driver). Cc: Jens Axboe <jens.axboe@oracle.com> Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: Jeff Garzik <jeff@garzik.org> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: remove stale changelog from setup-pci.cBartlomiej Zolnierkiewicz
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: remove stale changelog/comments/TODO from ide.cBartlomiej Zolnierkiewicz
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide-cris: handle PIO auto-tuning in tune_cris_ide()Bartlomiej Zolnierkiewicz
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: add PIO masksBartlomiej Zolnierkiewicz
* Add ATA_PIO[0-6] defines to <linux/ata.h>. * Add ->pio_mask field to ide_pci_device_t and ide_hwif_t. * Add PIO masks to host drivers. <linux/ata.h> change ACK-ed by Jeff Garzik <jeff@garzik.org>. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: remove ide_find_best_pio_mode()Bartlomiej Zolnierkiewicz
* Add ->host_flags to ide_hwif_t to store ide_pci_device_t.host_flags, assign it in setup-pci.c:ide_pci_setup_ports(). * Add IDE_HFLAG_PIO_NO_{BLACKLIST,DOWNGRADE} to ide_pci_device_t.host_flags and teach ide_get_best_pio_mode() about them. Also remove needless !drive->id check while at it (drive->id is always present). * Convert amd74xx, via82cxxx and ide-timing.h to use ide_get_best_pio_mode() and then remove no longer needed ide_find_best_pio_mode(). There should be no functionality changes caused by this patch. Acked-by: Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: drop "PIO data" argument from ide_get_best_pio_mode()Bartlomiej Zolnierkiewicz
* Drop no longer needed "PIO data" argument from ide_get_best_pio_mode() and convert all users accordingly. * Remove no longer needed ide_pio_data_t. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: ide_find_best_pio_mode() fixes (take 2)Bartlomiej Zolnierkiewicz
* Check IORDY bit for PIO modes > 2. * Some devices claim maximum PIO mode > 2 in id->tPIO, they were punished too severly for this by being limited to PIO_SLOW. Limit them to PIO2 instead. v2: * Fix PIO number being returned incorrectly instead of PIO mode (Noticed by Sergei). Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: add ide_pio_cycle_time() helper (take 2)Bartlomiej Zolnierkiewicz
* Add ide_pio_cycle_time() helper. * Use it in ali14xx/ht6560b/qd65xx/cmd64{0,x}/sl82c105 and pmac host drivers (previously cycle time given by the device was only used for "pio" == 255). * Remove no longer needed ide_pio_data_t.cycle_time field. v2: * Fix "ata_" prefix (Noticed by Jeff). Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20sc1200: remove stale Power Management codeBartlomiej Zolnierkiewicz
* Nowadays core IDE code handles restoring of PIO and DMA modes (ide-io.c:ide_start_power_step() etc) so remove open-coded version from sc1200_resume(). There should be no change in behavior because settings done by sc1200_resume() were always overridden by generic_ide_resume() and ide_{start,stop}_power_step(). * Bump driver version. Cc: Mark Lord <mlord@pobox.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: ide_start_power_step() fix WRT disabling DMABartlomiej Zolnierkiewicz
* Do the same thing as probe_hwif() and always disable DMA so chipset DMA enabled bit gets cleared (if the drive doesn't support DMA ide_set_dma() won't try to tune it anyway). * Add TODO comment about respecting ->using_dma setting. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20serverworks: fix DMABartlomiej Zolnierkiewicz
The driver used to depend on BIOS settings for deciding whether it is OK to use DMA. However it seems that BIOS doesn't always handle all cases correctly so just let IDE core to decide about this. It should be a safe thing to do now, after the driver went through heavy bugfixing. Thanks for bugreport and testing the patch goes out to Sven Niedner. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20serverworks: always tune PIOBartlomiej Zolnierkiewicz
* Always set ->autotune so PIO gets correctly auto-tuned (previously ->autotune was only set when ->dma_base wasn't available, however ->ide_dma_check()/->speedproc() was always trying to tune PIO when tuning DMA). * Move code responsible for programming chipset for PIO mode from svwks_tune_chipset() to svwks_tune_pio(). Don't tune PIO when tuning DMA (this is no longer needed since ->autotune is always set now). * Handle PIO modes early in svwks_tune_chipset() so DMA configuration registers don't get cleared when programming PIO mode. * Bump driver version. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: add ide_pci_device_t.host_flags (take 2)Bartlomiej Zolnierkiewicz
* Rename ide_pci_device_t.flags to ide_pci_device_t.host_flags and IDEPCI_FLAG_ISA_PORTS flag to IDE_HFLAG_ISA_PORTS. * Add IDE_HFLAG_SINGLE flag for single channel devices. * Convert core code and all IDE PCI drivers to use IDE_HFLAG_SINGLE and remove no longer needed ide_pci_device_t.channels field. v2: * Fix issues noticed by Sergei: - correct code alignment in scc_pata.c - s/IDE_HFLAG_SINGLE/~IDE_HFLAG_SINGLE/ in serverworks.c Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: add ide_dev_has_iordy() helper (take 4)Bartlomiej Zolnierkiewicz
* Add ide_dev_has_iordy() helper and use it sl82c105 host driver. * Remove no longer needed ide_pio_data_t.use_iordy field. v2/v3: * Fix issues noticed by Sergei: - correct patch description - fix comment in ide_get_best_pio_mode() v4: * Fix "ata_" prefix (Noticed by Jeff). Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: make ide_get_best_pio_mode() print info if overriding PIO modeBartlomiej Zolnierkiewicz
* Print info about overriding PIO mode in ide_get_best_pio_mode(). * Remove info about overriding PIO mode from cmd64{0,x} host drivers. * Remove no longer needed ide_pio_data_t.overridden field. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20siimage: PIO mode setup fixes (take 2)Bartlomiej Zolnierkiewicz
* Add sil_tuneproc() wrapper for siimage_tuneproc() which also sets PIO mode on the device. * Add missing ide_get_best_pio_mode() call to sil_tuneproc() so "pio" == 255 (autotune) is handled correctly (previously PIO0 was used) and "pio" values > 4 && < 255 are filtered to PIO4 (instead of PIO0). * Add code limiting maximum PIO mode according to the pair device capabilities to sil_tuneproc(). * Convert users of config_siimage_chipset_for_pio() to use sil_tune_pio() and sil_tuneproc(). This fixes PIO fallback in siimage_config_drive_for_dma() to use max PIO mode available instead of PIO4 (config_siimage_chipset_for_pio() used wrong arguments for ide_get_best_pio_mode() and as a results always tried to set PIO4). * Remove no longer needed siimage_taskfile_timing() and config_siimage_chipset_for_pio(). * Enable ->autotune unconditionally and remove PIO tuning for UDMA/MDMA modes from siimage_speedproc() * Bump driver version. v2: * Fix issues noticed by Sergei: - correct pair device check - trim only taskfile PIO to the slowest of the master/slave - enable ->autotune unconditionally and remove PIO tuning for UDMA/MDMA modes from siimage_speedproc() - add TODO item for IORDY bugs - minor cleanups Reviewed-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20atiixp: PIO mode setup fixesBartlomiej Zolnierkiewicz
* Split off exisiting atiixp_tuneproc() into atiixp_tune_pio() and then add setting device PIO mode to atiixp_tuneproc(). * Add missing ide_get_best_pio_mode() call to atiixp_tuneproc() so "pio" == 255 (autotune) is handled correctly and "pio" values > 4 && < 255 are filtered to PIO4 (previously "pio" == 5 could result in wrong timings being used and "pio" values > 4 && < 255 in an OOPS). * Handle PIO modes early in atiixp_speedproc() so save_mdma_mode[] doesn't get cleared. * In atiixp_dma_check(): - fix max_mode argument for ide_get_best_pio_mode() - don't call atiixp_dma_2_pio() so PIO1 doesn't get remapped to PIO0 - use atiixp_tuneproc() instead of atiixp_speedproc() * Bump driver version. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20ide: Stop mapping ROMsAlan Cox
Various old IDE drivers go mapping ROM devices for no apparent reason and without using the ROM mapping API we now have. They don't actually use the ROM they map and the new libata drivers are happy without it being mapped so rather than port them lets just junk it for the next -rc1. Signed-off-by: Alan Cox <alan@redhat.com> Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: Andrew Morton <akpm@osdl.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20IDE: Remove references to dead ETRAX-related variables.Robert P. J. Day
The two CONFIG variables CONFIG_ETRAX_IDE_CSE1_16_RESET CONFIG_ETRAX_IDE_CSP0_8_RESET appear to have been dead since way back in 2.5.xx days: http://www.linuxhq.com/kernel/v2.5/75/arch/cris/drivers/Kconfig Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Cc: Michael Starvik <starvik@axis.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20PCMCIA: Add another MemoryCard to ide-cs/pata_pcmciaMarcin Juszkiewicz
One card submitted by user. Signed-off-by: Marcin Juszkiewicz <openembedded@hrw.one.pl> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-07-20scc_pata.c: Workaround for errata A308 (take 2)Kou Ishizaki
Workaround for errata A308: turn down the UDMA mode and retry the DMA command when the data lost condition is detected. take2: udma_filter() hook is used to limit ATAPI UDMA mode. Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp> Signed-off-by: Akira Iguchi <akira2.iguchi@toshiba.co.jp> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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