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* [PATCH] libata: kill unnecessary sht->max_sectors initializationsTejun Heo2006-12-0343-49/+0
| | | | | | | sht->max_sectors is overrided unconditionally in ->slave_configure. There's no reason to set it to any value. Signed-off-by: Tejun Heo <htejun@gmail.com>
* [PATCH] libata: add missing sht->slave_destroyTejun Heo2006-12-034-0/+4
| | | | | | | Add missing sht->slave_destroy. Most drivers received this fix in didn't. Fix those four drives. Signed-off-by: Tejun Heo <htejun@gmail.com>
* [PATCH] libata: print cdb[0] in failed qc reportTejun Heo2006-12-021-2/+3
| | | | | | | Print cdb[0] in failed qc report. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] sata_nv: fix ATAPI in ADMA modeRobert Hancock2006-12-021-130/+188
| | | | | | | | | | | | | | | | The attached patch against 2.6.19-rc6-mm1 fixes some problems in sata_nv with ATAPI devices on controllers running in ADMA mode. Some of the logic in the nv_adma_bmdma_* functions was inverted causing a bunch of warnings and caused those functions not to work properly. Also, when an ATAPI device is connected, we need to use the legacy DMA engine. The code now disables the PCI configuration register bits for ADMA so that this works, and ensures that no ATAPI DMA commands go through until this is done. Fixes Bugzilla http://bugzilla.kernel.org/show_bug.cgi?id=7538 Signed-off-by: Robert Hancock <hancockr@shaw.ca> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] pata_marvell: merge Mandriva patchesAlan2006-12-021-3/+3
| | | | | | | | | Correct and complete the Marvell PATA cable detection logic. From: Arnaud Patard <apatard@mandriva.com> Signed-off-by: Arnaud Patard <apatard@mandriva.com> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] pata_hpt3x3: suspend/resume supportAlan2006-12-021-12/+34
| | | | | | | Again split the chipset init away and call it both on resume and on setup Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] pata : more drivers that need only standard suspend and resumeAlan2006-12-022-3/+11
| | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] hpt36x: Suspend/resume supportAlan2006-12-021-14/+35
| | | | | | | | Another chipset which needs some reconfiguration after a resume. All the chip setup is moved to a new function called in both setup and resume. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] pata_via suspend/resume supportAlan2006-12-021-18/+76
| | | | | | | | | | The major VIA issues were handled by the quirks update for resume quirks. The ATA driver also has to do some work however when resuming from RAM. Certain chips need the FIFO reconfiguring, and the 66MHz clock setup updating. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] pata_amd: suspend/resumeAlan2006-12-021-2/+23
| | | | | | | | Early AMD chips require FIFO and/or simplex flag clearing work on resume from RAM. Most devices need no help Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] pata_it821x: Suspend/Resume supportAlan2006-12-021-2/+14
| | | | | | | | If you are using the noraid option then after a suspend/resume sequence we need to reset the card back out of raid mode again. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] pata_serverworks suspend/resumeAlan2006-12-021-2/+30
| | | | | | | | The Serverworks chips need various fixups doing on a resume from RAM. Conveniently the needed functions were already split out ready for re-use Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] pata_cmd64x: suspend/resumeAlan2006-12-021-2/+20
| | | | | | | | On a resume of the CMD64x we must restore MRDMODE and latency if the BIOS didn't get them right originally. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] pata_cs5520: resume supportAlan2006-12-021-2/+22
| | | | | | | | | The CS5520 doesn't need much help to resume but we do need to restore pcicfg which may have been reset to the BIOS default which is sometimes incorrect. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] PATA libata: suspend/resume simple casesAlan2006-12-0215-47/+82
| | | | | | | | | This patch adds the suspend/resume callbacks for drivers which don't need any additional help (beyond the pci resume quirk patch I posted earlier anyway). Also bring version numbers back inline with master copies. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] pata_sil680 suspend/resumeAlan2006-12-021-27/+55
| | | | | | | | | The SI680 can come back from s2ram with the clocks disabled (crash time) or wrong (ugly as this can cause CRC errors, and in theory corruption). On a resume we must put the clock back. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] pata_rz1000: Force readahead off on resumeAlan2006-12-021-15/+33
| | | | | | | | | | | The RZ1000 is a generic device except that it has a readahead fifo flaw that corrupts. We force this off at init time but we want to be paranoid and force it off at resume as well. I don't know of any actual hardware that supports both RZ1000 and suspend to RAM but given its a disk muncher better safe than sorry. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] pata_ali: suspend/resume supportAlan2006-12-021-51/+84
| | | | | | | | | Various chipset functions must be reprogrammed on a resume from RAM, without this things like ATAPI DMA stop working on resume with some chipset variants. Split the chipset programming and init time method selection into two functions. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] pata_jmicron: fix JMB368 support, add suspend/resume handlingAlan2006-12-021-6/+28
| | | | | | | | | This (and the pci resume quirk code) get the JMicron controllers to resume properly. Without this patch the drive mapping changes when you suspend/resume which is not good at all.... Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] pata_cs5530: suspend/resume supportAlan2006-12-021-37/+62
| | | | | | | | | The 5530 needs various set up performing both at init time and resume time. To keep the code clean the common setup code is moved into a new function and called from both handlers. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] pata_hpt366 enablebitsAlan2006-12-021-1/+9
| | | | | | | More enablebits Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] sata_promise fixes and updatesMikael Pettersson2006-12-021-11/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch updates the sata_promise driver as follows: - Correct typo in definition of PDC_TBG_MODE: it's at 0x41C not 0x41 in first-generation chips. This error caused PCI access alignment exceptions on SPARC64, and on all platforms it disabled the expected initialisation of TBG mode. - Add flags field to struct pdc_host_priv. Define PDC_FLAG_GEN_II and use it to distinguish first- and second-generation chips. - Prevent the FLASH_CTL FIFO_SHD bit from being set to 1 on second- generation chips. This matches Promises' ulsata2 driver. - Prevent TBG mode and SLEW rate initialisation in second-generation chips. These two registers have moved, TBG mode has been redefined, and Promise's ulsata2 driver no longer attempts to initialise them. - Correct PCI device table so devices 0x3570, 0x3571, and 0x3d73 are marked as 2057x (2nd gen) not 2037x (1st gen). - Correct PCI device table so device 0x3d17 is marked as 40518 (2nd gen 4 ports) not 20319 (1st gen 4 ports). - Correct pdc_ata_init_one() to treat 20771 as a second-generation chip. Tested on 0x3d75 (2nd gen), 0x3d73 (2nd gen), and 0x3373 (1st gen) chips. The information comes from the newly uploaded Promise SATA HW specs, Promise's ultra and ulsata2 drivers, and debugging on 3d75/3d73/3373 chips. hp->hotplug_offset could now be removed and its value recomputed in pdc_host_init() using hp->flags, but that would be a cleanup not a functional change, so I'm ignoring it for now. Signed-off-by: Mikael Pettersson <mikpe@it.uu.se> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [libata] sata_promise: fix TBG mode register offsetJeff Garzik2006-12-021-3/+2
| | | | | | | | Fixes crashes on sparc, and may correct weird behavior reported on occasions, because we were never programming this register correctly (or at all). Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] libata: improve SCSI sense data generationTejun Heo2006-12-021-23/+23
| | | | | | | | | Update ata_gen_ata_sense() to use desc format sense data to report the first failed block. The first failed block is read from result_tf using ata_tf_read_block() which can handle all three address formats. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] libata: implement ata_tf_read_block()Tejun Heo2006-12-022-0/+44
| | | | | | | Implement ata_tf_read_block(). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] libata: cosmetic changes to sense generation functionsTejun Heo2006-12-021-11/+11
| | | | | | | | | | | | | * s/ata_gen_ata_desc_sense/ata_gen_passthru_sense/ * s/ata_gen_fixed_sense/ata_gen_ata_sense/ * make both functions static * neither function has locking requirement, change it to None. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] libata: fix passthru sense data headerTejun Heo2006-12-021-6/+3
| | | | | | | | | sb[7] should contain the length of whole information sense data descriptor while desc[1] should contain the number of following bytes in the descriptor. ie. 14 for sb[7] but 12 for desc[1]. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] libata: sync result_tf.flags w/ command tf.flagsTejun Heo2006-12-021-3/+11
| | | | | | | | | | | | | | libata didn't initialize result_tf.flags which indicates transfer type (RW/FUA) and address type (CHS/LBA/LBA48). ata_gen_fixed_sense() assumed result_tf.flags equals command tf.flags and failed to report the first failed block to SCSI layer because zero tf flags indicates CHS and bad block reporting for CHS is not implemented. Implement fill_result_tf() which sets result_tf.flags to command tf.flags and use it to fill result_tf. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] libata: trivial updates to ata_sg_init_one()Tejun Heo2006-12-021-5/+1
| | | | | | | | There's no need to memset &qc->sgent manually, sg_init_one() clears sgent inside it. Also, kill not-so-necessary sg local variable. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] libata: improve failed qc reportingTejun Heo2006-12-021-5/+27
| | | | | | | | | | | | Improve failed qc reporting. The original message didn't include the actual command nor full error status and it was necessary to temporarily patch the code to find out exactly which command is causing problem. This patch makes EH report full command and result TFs along with data direction and length. This change will make bug reports more useful. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] ata_piix: strip now unneded MAP related stuffTejun Heo2006-12-021-29/+10
| | | | | | | | | | | | Now that PCS isn't used for device detection anymore... * esb_sata is identical to ich5_sata * no reason to know present_shift * no reason to store map_db in host private area The MAP table itself is left because it can be used for SCR access. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] ata_piix: apply device detection via polling IDENTIFYTejun Heo2006-12-021-98/+6
| | | | | | | | | | | | | | | | | | | | PATA PIIX uses reset signature + TF r/w test for device presence detection, which doesn't always work. It sometimes reports phantom device which results in IDENTIFY timeouts. SATA PIIX uses some combination of PCS + reset signature + TF r/w test for device presence detection. No combination satifies all and for some controllers, there doesn't seem to be any combination which works reliably. This patch makes both PATA and SATA piix's use reset signature + TF r/w + polling IDENTIFY for device detection. This is what the old libata (before irq-pio and new EH) did and what IDE does. This patch also removes now obsolete PIIX_FLAG_IGNORE_PCS, force_pcs and related code. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] libata: implement presence detection via polling IDENTIFYTejun Heo2006-12-024-7/+40
| | | | | | | | | | | | | | | | | | | On some controllers (ICHs in piix mode), there is *NO* reliable way to determine device presence other than issuing IDENTIFY and see how the transaction proceeds by watching the TF status register. libata acted this way before irq-pio and phantom devices caused very little problem but now that IDENTIFY is performed using IRQ drive PIO, such phantom devices now result in multiple 30sec timeouts during boot. This patch implements ATA_FLAG_DETECT_POLLING. If a LLD sets this flag, libata core issues the initial IDENTIFY in polling mode and if the initial data transfer fails w/ HSM violation, the port is considered to be empty thus replicating the old libata and IDE behavior. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] libata: convert @post_reset to @flags in ata_dev_read_id()Tejun Heo2006-12-023-14/+23
| | | | | | | | | Make ata_dev_read_id() take @flags instead of @post_reset. Currently there is only one flag defined - ATA_READID_POSTRESET, which is equivalent to @post_reset. This is preparation for polling presence detection. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] ata_piix: clean up port flagsTejun Heo2006-12-021-17/+14
| | | | | | | * move common flags into PIIX_PATA_FLAGS and PIIX_SATA_FLAGS * kill unnecessary ATA_FLAG_SRST Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] libata: use FLUSH_EXT only when driver is larger than LBA28 limitTejun Heo2006-12-023-3/+7
| | | | | | | | | | | | | | | | | | | | | | | | | Many drives support LBA48 even when its capacity is smaller than 1<<28, as LBA48 is required for many functionalities. FLUSH_EXT is mandatory for drives w/ LBA48 support. Interestingly, at least one of such drives (ST960812A) has problems dealing with FLUSH_EXT. It eventually completes the command but takes around 7 seconds to finish in many cases thus drastically slowing down IO transactions. This seems to be a firmware bug which sneaked into production probably because no other ATA driver including linux IDE issues FLUSH_EXT to drives which report support for LBA48 & FLUSH_EXT but is smaller than 1<<28 blocks. This patch adds ATA_DFLAG_FLUSH_EXT which is set iff the drive supports LBA48 & FLUSH_EXT and is larger than LBA28 limit. Both cache flush paths are updated to issue FLUSH_EXT only when the flag is set. Note that the changed behavior is more inline with the rest of libata. libata prefers shorter commands whenever possible. Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Danny Kukawka <dkukawka@novell.com> Cc: Stefan Seyfried <seife@novell.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] ahci: honor PORTS_IMPL on ICH8sTejun Heo2006-12-021-28/+67
| | | | | | | | | | | | | | | | Some ICH8s use non-linear port mapping. ahci driver didn't use to honor PORTS_IMPL and this made ports after hole nonfunctional. This patch makes ahci mark those ports as dummy and properly initialize all the implemented ports after the dummies. As it's unknown whether other AHCIs implement PORTS_IMPL register properly, new board id board_ahci_pi is added and selectively applied to ICH8s. All other AHCIs continue to use linear mapping regardless of PORTS_IMPL value. Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Robin H. Johnson <robbat2@gentoo.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [libata] ARM: add ixp4xx PATA driverAlessandro Zummo2006-12-024-0/+295
| | | | | Signed-off-by: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] sata_sis: slave support on SiS965Uwe Koziolek2006-12-021-5/+12
| | | | | | | | | | | | SiS965 and SiS180 chips must support slave mode, SiS965L and SiS964 chips must not support slave mode. SCR_STATUS for SATA ports in powerdown state fixed. Now returning 0x0113 instead of 0x0117. Avoids problem on detecting sata_sis controller. Signed-off-by: Uwe Koziolek <uwe.koziolek@gmx.net> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] ahci: preserve PORTS_IMPL over host resetsTejun Heo2006-12-021-3/+20
| | | | | | | | | | Instead of writing 0xf blindly, preserve the content of write-once PORTS_IMPL register over host resets. This patch is taken from Jeff Garzik's AHCI init update patch. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] pdc202xx_old: Fix name clashes with PA-RISCAlan Cox2006-12-021-29/+29
| | | | | | | | | | pdc_* functions are part of the global namespace for the PDC on PA-RISC systems and this means our choice of pdc_ causes collisions between the PDC globals and our static functions. Rename them to pdc202xx where they are for both 2024x and 2026x. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [libata] ahci: Match PCI class code for AHCIJeff Garzik2006-12-021-0/+4
| | | | Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] libata: move dev->max_sectors configuration into ata_dev_configure()Tejun Heo2006-12-022-16/+8
| | | | | | | | | | | Move dev->max_sectors configuration from ata_scsi_dev_config() to ata_dev_configure(). * more consistent. * allows LLDs to peek at the default dev->max_sectors value. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] libata: implement ATA_EHI_SETMODE and ATA_EHI_POST_SETMODETejun Heo2006-12-023-2/+16
| | | | | | | | | | | | | | | | | | | | | | libata EH used to perform ata_set_mode() iff the EH session performed reset as indicated by ATA_EHI_DID_RESET. This is incorrect because ->dev_config() called by revalidation is allowed to modify transfer mode which ata_set_mode() should take care of. This patch implements the following two flags. * ATA_EHI_SETMODE: set during EH to schedule ata_set_mode(). Both new device attachment and revalidation set this flag. * ATA_EHI_POST_SETMODE: set while the device is revalidated after ata_set_mode(). Post-setmode revalidation is different from initial configuaration and EH revalidation in that ->dev_config() is not allowed tune transfer mode. LLD can use this flag to determine whether it's allowed to tune transfer mode. Note that POST_SETMODE ->dev_config() is guaranteed to be preceded by non-POST_SETMODE ->dev_config(). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] libata: implement ATA_EHI_PRINTINFOTejun Heo2006-12-025-11/+20
| | | | | | | | | | | | | Implement ehi flag ATA_EHI_PRINTINFO. This flag is set when device configuration needs to print out device info. This used to be handled by @print_info argument to ata_dev_configure() but LLDs also need to know about it in ->dev_config() callback. This patch replaces @print_info w/ ATA_EHI_PRINTINFO and make sata_sil print workaround messages only on the initial configuration. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] ahci: update ahci-vt8251 reset sequenceTejun Heo2006-12-021-2/+76
| | | | | | | | | | | | | | | | | ahci-vt8251 * requires hardreset after PHY status change * doesn't clear BSY on signature FIS after hardreset * needs SError cleared for the port to operate after hardreset This patch implements ahci_vt8251_hardreset() and sets ATA_FLAG_HRST_TO_RESUME to handle the above behaviors. This fixes EH including hotplug on vt8251. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] libata: separate out and export sata_port_hardreset()Tejun Heo2006-12-022-10/+44
| | | | | | | | Separate out sata_port_hardreset() from sata_std_hardreset(). This will be used by LLD hardreset implementation and later by PMP. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] ahci: kill AHCI_FLAG_RESET_NEEDS_CLOTejun Heo2006-12-021-17/+4
| | | | | | | | | Now that ahci_softreset() is fixed to automatically perform CLO if BSY/DRQ is set on entry, AHCI_FLAG_RESET_NEEDS_CLO is redundant. Kill it. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] sata_sil24: add PMP related constantsTejun Heo2006-12-021-0/+5
| | | | | | | Add PMP related constants. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] sata_sil24: rename PMP related constantsTejun Heo2006-12-021-6/+7
| | | | | | | Rename PMP related constants for consistency. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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