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* sata_fsl: Return non-zero on error in probe()Michal Sojka2009-01-16
| | | | | | | | | while I was looking over kernel sources I've found this small bug. Formerly, zero was returned even if an error happened. Signed-off-by: Michal Sojka <sojkam1@fel.cvut.cz> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* drivers/ata/pata_ali.c: s/isa_bridge/ali_isa_bridge/ to fix alpha buildAndrew Morton2009-01-16
| | | | | | | | | | drivers/ata/pata_ali.c:44: error: static declaration of 'isa_bridge' follows non-static declaration arch/alpha/include/asm/pci.h:274: error: previous declaration of 'isa_bridge' was here Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* libata: New driver for OCTEON SOC Compact Flash interface (v7).David Daney2009-01-16
| | | | | | | | | | | | Cavium OCTEON processor support was recently merged, so now we have this CF driver for your consideration. Most OCTEON variants have *no* DMA or interrupt support on the CF interface so for these, only PIO is supported. Although if DMA is available, we do take advantage of it. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* libata: Add another column to the ata_timing table.David Daney2009-01-16
| | | | | | | | | | The forthcoming OCTEON SOC Compact Flash driver needs an additional timing value that was not available in the ata_timing table. I add a new column for dmack_hold time. The values were obtained from the Compact Flash specification Rev 4.1. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* sata_via: Add VT8261 supportJosephChan@via.com.tw2009-01-16
| | | | | Signed-off-by: Joseph Chan <josephchan@via.com.tw> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* pata_atiixp: update port enabledness test handlingTejun Heo2009-01-16
| | | | | | | | | | Port enabledness test fits much better into init_one() instead of pre_reset(). The reason why these tests are in pre_reset() is purely historical at this point. Move it to init_one(). This will help further changes. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* [libata] get-identity ioctl: Fix use of invalid memory pointerJeff Garzik2009-01-16
| | | | | | | | | | | | for SAS drivers. Caught by Ke Wei (and team?) at Marvell. Also, move the ata_scsi_ioctl export to libata-scsi.c, as that seems to be the general trend. Acked-by: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* pata_it821x: Update RDC UDMA handlingAlan Cox2009-01-13
| | | | | | | | The UDMA affliction is apparently specific to revision 0x11. Keeps us in sync with drivers/ide current. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* ata: fix wrong WARN_ON_ONCEChristian Borntraeger2009-01-13
| | | | | | | | | | This patch fixes a wrong WARN_ON that was triggered by 32bit PIO support: WARNING: at drivers/ata/libata-sff.c:1017 ata_sff_hsm_move+0x45e/0x750() __atapi_pio_bytes simply doesnt know enough to decide if there is a bug. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* libata: only ports >= 0 need to synchronizeArjan van de Ven2009-01-10
| | | | | | | | | | In a discussio with Jeff Garzik, he mentioned that the serialization for the libata port probes only needs to be within the domain of a host. This means that for the first port of each host (with ID 0), we don't need to wait, so we can relax our serialization a little. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* libata: Add a per-host flag to opt-in into parallel port probesArjan van de Ven2009-01-10
| | | | | | | | | | | This patch adds a per host flag that allows drivers to opt in into having its busses scanned in parallel. Drivers that do not set this flag get their ports scanned in the "original" sequence. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'release' of ↵Linus Torvalds2009-01-09
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (94 commits) ACPICA: hide private headers ACPICA: create acpica/ directory ACPI: fix build warning ACPI : Use RSDT instead of XSDT by adding boot option of "acpi=rsdt" ACPI: Avoid array address overflow when _CST MWAIT hint bits are set fujitsu-laptop: Simplify SBLL/SBL2 backlight handling fujitsu-laptop: Add BL power, LED control and radio state information ACPICA: delete utcache.c ACPICA: delete acdisasm.h ACPICA: Update version to 20081204. ACPICA: FADT: Update error msgs for consistency ACPICA: FADT: set acpi_gbl_use_default_register_widths to TRUE by default ACPICA: FADT parsing changes and fixes ACPICA: Add ACPI_MUTEX_TYPE configuration option ACPICA: Fixes for various ACPI data tables ACPICA: Restructure includes into public/private ACPI: remove private acpica headers from driver files ACPI: reboot.c: use new acpi_reset interface ACPICA: New: acpi_reset interface - write to reset register ACPICA: Move all public H/W interfaces to new hwxface ...
| * Merge branch 'linus' into releaseLen Brown2009-01-09
| |\
| * | ACPI: remove private acpica headers from driver filesLin Ming2008-12-31
| | | | | | | | | | | | | | | | | | | | | External driver files should not include any private acpica headers. Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | | libata: use WARN_ON_ONCE on hot pathsTejun Heo2009-01-09
| |/ |/| | | | | | | | | | | | | | | Convert WARN_ON() on command issue/completion paths to WARN_ON_ONCE() so that libata doesn't spam the machine even when one of those conditions triggers repeatedly. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | libata: clean up the SFF code for coding styleAlan Cox2009-01-08
| | | | | | | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | libata: Add 32bit PIO supportAlan Cox2009-01-08
| | | | | | | | | | | | | | | | | | This matters for some controllers and in one or two cases almost doubles PIO performance. Add a bmdma32 operations set we can inherit and activate it for some controllers Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | [libata] ahci: Withdraw IGN_SERR_INTERNAL for SB800 SATAShane Huang2009-01-08
| | | | | | | | | | | | | | | | | | | | | | There is an issue in ATI SB600/SB700 SATA that PxSERR.E should not be set on some conditions, which will lead to many SATA ODD error messages. commit 55a61604cd1354e1783364e1c901034f2f474b7d is the workaround. Since SB800 fixed this HW issue, IGN_SERR_INTERNAL should be withdrawn for SB800. Signed-off-by: Shane Huang <shane.huang@amd.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | pata_hpt366: reimplement mode programmingTejun Heo2009-01-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reimplement mode programming logic of pata_hpt366 such that it's identical to that of IDE hpt366 driver. The differences were... * pata_hpt366 used 0xCFFF8FFFF to mask pio modes and 0x3FFFFFFF dma modes. IDE hpt366 uses 0xC1F8FFFF for PIO, 0x303800FF for MWDMA and 0x30070000 for UDMA. * pata_hpt366 doesn't set 0x08000000 for PIO unless it's already set and always turns it on for MWDMA/UDMA. IDE hpt366 doesn't bother with the bit. It always uses what was there. * IDE hpt366 always clears 0xC0000000. pata_hpt366 doesn't. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | [libata] pata_hpt3x3: correct _freeze() function declarationJeff Garzik2009-01-08
| | | | | | | | Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | libata: Add special ata_pio_need_iordy() handling for Compact Flash.David Daney2009-01-08
| | | | | | | | | | | | | | | | According to the Compact Flash specification r4.1, PIO modes 5 and 6 do not use iordy. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | pata_platform: __pata_platform_remove() shouldn't be in discard sectionSonic Zhang2009-01-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | -- UPD include/linux/compile.h `___pata_platform_remove' referenced in section `__ksymtab_gpl' of drivers/built-in.o: defined in discarded section `.devexit.text' of drivers/built-in.o make: *** [.tmp_vmlinux1] Error 1 -- __pata_platform_remove() should not be in discarded section __pata_platform_remove(struct device *dev) is invoked in both pata_platform.c and pata_of_platform.c by reomve function defined in discarded section ".devexit.text". An exported function should not be put into discarded section. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | sata_sil24: remove unused sil24_port_multiplierGrant Grundler2009-01-08
| | | | | | | | | | | | | | | | AFAICT, struct sil24_port_multiplier isn't used anywhere. Remove it. Signed-off-by: Grant Grundler <grundler@google.com> Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | [libata] ahci: Add SATA GEN3 related messagesShane Huang2009-01-08
| | | | | | | | | | | | | | | | The present AHCI driver seems to support SATA GEN 3 speed, but the related messages should be modified. Signed-off-by: Shane Huang <shane.huang@amd.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | ata_piix: save, use saved and restore IOCFGTejun Heo2009-01-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Certain ACPI implementations mess up IOCFG on _STM making libata detect cable type incorrectly after a suspend/resume cycle. This patch makes ata_piix save IOCFG on attach, use the saved value for things which aren't dynamic and restore it on detach so that the next driver also gets the BIOS initialized value. This patch contains the following changes. * makes ich_pata_cable_detect() use saved_iocfg. * make piix_iocfg_bit18_quirk() take @host and use saved_iocfg. * hpriv allocation moved upwards to save iocfg before doing anything else. This fixes bz#11879. Andreas Mohr reported and diagnosed the problem. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Andreas Mohr <andi@lisas.de> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | pata_ali: Fix and workaround for FIFO DMA bugAlan Cox2009-01-08
| | | | | | | | | | | | | | | | In very obscure cases this can cause problems. We need to help the hardware out a bit to avoid DMA problems on a reset. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | pata_ali: force initialise a few bitsAlan Cox2009-01-08
| | | | | | | | | | | | | | We can't assume some of the setup here on non x86 boxes. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | pata_hpt3x3: Workarounds for chipsetAlan Cox2009-01-08
| | | | | | | | | | | | | | | | | | Correct the DMA bit flags (UDMA and MWDMA were swapped) Add workarounds so that we clear ERR and INTR bits before issuing a DMA Add workarounds so that we stop a live DMA before touching the CTL register Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | fastboot: Make libata initialization even more asyncArjan van de Ven2009-01-07
| | | | | | | | | | | | | | | | | | | | | | | | As suggested by Linus: Don't do the libata init in 2 separate steps with a global sync inbetween, but do it as one async step, with a local sync before registering the device. This cuts the boottime on my machine with 2 sata controllers down significantly, and it seems to work. Would be nice if the libata folks take a good look at this patch though.. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
* | fastboot: make the libata port scan asynchronousArjan van de Ven2009-01-07
| | | | | | | | | | | | | | | | This patch makes the libata port scanning asynchronous (per device). There is a synchronization point before doing the actual disk scan so that device ordering is not affected. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
* | libata: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers2009-01-06
| | | | | | | | | | | | | | Cc: Jeff Garzik <jgarzik@redhat.com> Cc: Tejun Heo <tj@kernel.org> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6Linus Torvalds2008-12-30
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (104 commits) [SCSI] fcoe: fix configuration problems [SCSI] cxgb3i: fix select/depend problem [SCSI] fcoe: fix incorrect use of struct module [SCSI] cxgb3i: remove use of skb->sp [SCSI] cxgb3i: Add cxgb3i iSCSI driver. [SCSI] zfcp: Remove unnecessary warning message [SCSI] zfcp: Add support for unchained FSF requests [SCSI] zfcp: Remove busid macro [SCSI] zfcp: remove DID_DID flag [SCSI] zfcp: Simplify mask lookups for incoming RSCNs [SCSI] zfcp: Remove initial device data from zfcp_data [SCSI] zfcp: fix compile warning [SCSI] zfcp: Remove adapter list [SCSI] zfcp: Simplify SBAL allocation to fix sparse warnings [SCSI] zfcp: register with SCSI layer on ccw registration [SCSI] zfcp: Fix message line break [SCSI] qla2xxx: changes in multiq code [SCSI] eata: fix the data buffer accessors conversion regression [SCSI] ibmvfc: Improve async event handling [SCSI] lpfc : correct printk types on PPC compiles ...
| * | [SCSI] add residual argument to scsi_execute and scsi_execute_reqFUJITA Tomonori2008-12-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | scsi_execute() and scsi_execute_req() discard the residual length information. Some callers need it. This adds residual argument (optional) to scsi_execute and scsi_execute_req. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* | | sata_sil: add Large Block Transfer supportRobert Hancock2008-12-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This implements support for the Large Block Transfer feature found in Silicon Image 311x controllers. This allows transferring bigger contiguous chunks of data from system memory and avoids the 64KB boundary restriction of standard SFF controllers. This is based on a patch from Jeff Garzik (from the sii-lbt branch of libata-dev) but includes a few bug fixes: Since the bmdma2 register does not implement the status bits, the original bmdma register must be used except where the bmdma2 register is required. As well the DMA boundary should be 31-bit instead of 32-bit since the top bit of the length field is still required for the PRD end-of-table flag. Signed-off-by: Robert Hancock <hancockr@shaw.ca> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | | [libata] ata_piix: cleanup dmi strings checkingJiri Slaby2008-12-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit ATA: piix, fix pointer deref on suspend fixed a possible oops in an ugly manner. Use newly introduced dmi_match() to make the code pretty again. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Alexandru Romanescu <a_romanescu@yahoo.co.uk> Cc: Tejun Heo <tj@kernel.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | | libata: blacklist NCQ on OCZ CORE 2 SSD (resend)Lubomir Bulej2008-12-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The patchlet below blacklists NCQ on OCZ CORE v2 SSD drive(s). Even though the drive advertises NCQ support with queue depth 1, it responds with all-zeroes FIS to NCQ commands which triggers ata error handling several times before the kernel decides to disable NCQ on the drive. Signed-off-by: Lubomir Bulej <lubomir.bulej@dsrg.mff.cuni.cz> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | | [libata] Update kernel-doc comments to match source codeQinghuang Feng2008-12-28
| | | | | | | | | | | | Signed-off-by: Qinghuang Feng <qhfeng.kernel@gmail.com>
* | | libata: perform port detach in EHTejun Heo2008-12-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ata_port_detach() first made sure EH saw ATA_PFLAG_UNLOADING and then assumed EH context belongs to it and performed detach operation itself. However, UNLOADING doesn't disable all of EH and this could lead to problems including triggering WARN_ON()'s in EH path. This patch makes port detach behave more like other EH actions such that ata_port_detach() requests EH to detach and waits for completion. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | | libata: when restoring SControl during detach do the PMP links firstTejun Heo2008-12-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | When restoring SControl during detach, PMP links should be handled first as changing SControl of the host link can affect SCR access of PMP links. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | | libata: beef up iteratorsTejun Heo2008-12-28
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There currently are the following looping constructs. * __ata_port_for_each_link() for all available links * ata_port_for_each_link() for edge links * ata_link_for_each_dev() for all devices * ata_link_for_each_dev_reverse() for all devices in reverse order Now there's a need for looping construct which is similar to __ata_port_for_each_link() but iterates over PMP links before the host link. Instead of adding another one with long name, do the following cleanup. * Implement and export ata_link_next() and ata_dev_next() which take @mode parameter and can be used to build custom loop. * Implement ata_for_each_link() and ata_for_each_dev() which take looping mode explicitly. The following iteration modes are implemented. * ATA_LITER_EDGE : loop over edge links * ATA_LITER_HOST_FIRST : loop over all links, host link first * ATA_LITER_PMP_FIRST : loop over all links, PMP links first * ATA_DITER_ENABLED : loop over enabled devices * ATA_DITER_ENABLED_REVERSE : loop over enabled devices in reverse order * ATA_DITER_ALL : loop over all devices * ATA_DITER_ALL_REVERSE : loop over all devices in reverse order This change removes exlicit device enabledness checks from many loops and makes it clear which ones are iterated over in which direction. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* / powerpc/mpc5200: Add MDMA/UDMA support to MPC5200 ATA driverTim Yamin2008-12-21
|/ | | | | | | | | | | | This patch adds MDMA/UDMA support using BestComm for DMA on the MPC5200 platform. Based heavily on previous work by Freescale (Bernard Kuhn, John Rigby) and Domen Puncer. With this patch, a SanDisk Extreme IV CF card gets read speeds of approximately 26.70 MB/sec. Signed-off-by: Tim Yamin <plasm@roo.me.uk> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
* pata_hpt366: no ATAPI DMATejun Heo2008-12-16
| | | | | | | | IDE hpt366 driver doesn't allow DMA for ATAPI devices and MWDMA2 on ATAPI device locks up pata_hpt366. Follow the suit. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* pata_hpt366: fix cable detection,Tejun Heo2008-12-16
| | | | | | | | | | | pata_hpt366 is strange in that its two channels occupy two PCI functions and both are primary channels and bit1 of PCI configuration register 0x5A indicates cable for both channels. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* libata: fix Seagate NCQ+FLUSH blacklistTejun Heo2008-12-16
| | | | | | | | Due to miscommunication, P/N was mistaken as firmware revision strings. Update it. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* ata: Fix experimental tagsAlan Cox2008-12-09
| | | | | | Various tags are now way out of date Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* pata_ninja32: update ID tableAlan Cox2008-12-09
| | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* pata_sis: Remove bogus cable matchAlan Cox2008-12-09
| | | | | | | | | | | | | | Some systems report SIS 5513 as both vendor/id and subvendor/id string. In that case we can't distinguish the system by the id svid/sdid and in fact the entry here breaks some boxes. At some point we need to find another way to detect the Targa Visionary 1000, until then this trades a hang for some users with lower performance for others. Closes: #12092 Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* ATA: piix, fix pointer deref on suspendJiri Slaby2008-12-09
| | | | | | | | | | | | | | | | | | | | | | | | | Hi, I've found this issue in the mmotm 2008-12-02-17-08. -- Commit ata_piix: add borked Tecra M4 to broken suspend list introduced DMI variables checking, but they can be null, so that we possibly dereference null. Check if they are null and avoid checks in that case. Solves: BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 IP: [<ffffffff8043da97>] piix_pci_device_suspend+0x117/0x230 Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Jeff Garzik <jgarzik@redhat.com> Cc: Alexandru Romanescu <a_romanescu@yahoo.co.uk> Cc: Tejun Heo <tj@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* pata_hpt366: fix clock detectionTejun Heo2008-12-09
| | | | | | | | pata_hpt366 had its clock detection wrong and detected 25Mhz as 40Mhz and vice-versa. Fix it. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* libata: blacklist Seagate drives which time out FLUSH_CACHE when used with NCQTejun Heo2008-12-01
| | | | | | | | | | | | | | | Some recent Seagate harddrives have firmware bug which causes FLUSH CACHE to timeout under certain circumstances if NCQ is being used. This can be worked around by disabling NCQ and fixed by updating the firmware. Implement ATA_HORKAGE_FIRMWARE_UPDATE and blacklist these devices. The wiki page has been updated to contain information on this issue. http://ata.wiki.kernel.org/index.php/Known_issues Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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