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2006-03-12[PATCH] libata: fix class handling in ata_bus_probe()Tejun Heo
ata_bus_probe() didn't set classes[] properly for port disabled case of ->phy_reset() compatibility path. This patch moves classes[] initialization and normalization out of ->probe_reset block such that it applies to both ->probe_reset and ->phy_reset paths. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-11[PATCH] ahci: enable prefetching for PACKET commandsTejun Heo
Turn on AHCI_CMD_PREFETCH for PACKET commands. This hints the controller that it can prefetch the CDB and the PRD entries. This patch is originally from Jeff Garzik. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-11libata: turn on ATAPI by defaultJeff Garzik
2006-03-11[PATCH] sata_sil24: lengthen softreset timeoutTejun Heo
sil24 softreset timeout was > 100ms (100 loops with msleep(1)), which turned out to be too short for some devices (ASI ARAID99 2000). This patch converts sil24 softreset waiting loop to use proper timeout condition and lengthen the timeout to ATA_TMOUT_BOOT secs and check interval to 100ms. Chisato Yamauchi discovered the problem and supplied initial patch. Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Chisato Yamauchi <cyamauch@plamo.linet.gr.jp> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-11[PATCH] sata_sil24: exit early from softreset if SStatus reports no deviceTejun Heo
sata_sil24 softreset routine used to check sata_dev_present() after SRST is complete in the hope that SRST may do some good even when SStatus reports no device. This is okay as long as SRST timeout is short (> 100ms in the current code) but it seems that not all SATA devices are happy with short SRST timeout. This patch makes softreset exit early without performing actual SRST if SStatus reports no device in preparation for lengthening SRST timeout. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-11Merge branch 'upstream-fixes'Jeff Garzik
2006-03-11[PATCH] ahci: fix NULL pointer dereference detected by CoverityTejun Heo
Fix NULL pointer dereference detected by the Coverity checker. Kill dev -> pdev -> dev conversion while at it. Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Adrian Bunk <bunk@stusta.de> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-11[PATCH] libata: fix missing classes[] initialization in ata_bus_probe()Tejun Heo
ata_bus_probe() didn't initialize classes[] properly with ATA_DEV_UNKNOWN. As ->probe_reset() is allowed to leave @classes alone when no device is present, this results in garbage class values. ATM, the only affected driver is ata_piix. Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-11[PATCH] libata: kill unused xfer_mode functionsTejun Heo
Preceding xfer_mask changes make the following functions unused. ata_pio_modes(), base_from_shift(), ata_pr_blacklisted(), fgb() Kill them. Also, as xfer_mode_str[] is now only used by ata_mode_string(), move it into the function. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-11[PATCH] libata: reimplement ata_set_mode() using xfer_mask helpersTejun Heo
Use xfer_mask helpers to determine transfer mode. This rewrite also makes transfer mode determination done before any actual configuration. This patch doesn't result in any functional changes. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-11[PATCH] libata: use xfer_mask helpers in ata_dev_set_mode()Tejun Heo
Rewrite hardcoded xfer_mode string determination in ata_dev_set_mode() using xfer_mask helpers. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-11[PATCH] libata: use ata_id_xfermask() in ata_dev_configure()Tejun Heo
Replace quick & dirty max transfer mode determination in ata_dev_configure() with ata_id_xfermask(). While at it, rename xfer_modes variable to xfer_mask and make it unsigned int for consistency. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-11[PATCH] libata: add xfer_mask handling functionsTejun Heo
Add ata_pack_xfermask(), ata_xfer_mask2mode(), ata_xfer_mode2mask(), ata_xfer_mode2shift() and ata_id_xfermask(). These functions will be used by following patches to simplify xfer_mask handling. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-11[PATCH] libata: improve xfer mask constants and update ata_mode_string()Tejun Heo
Add ATA_BITS_*, ATA_MASK_* macros and reorder xfer_mask fields such that higher transfer mode is placed at higher order bit. As thie reordering breaks ata_mode_string(), this patch also rewrites ata_mode_string(). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-11[PATCH] libata: rename ATA_FLAG_FLUSH_PIO_TASK to ATA_FLAG_FLUSH_PORT_TASKTejun Heo
Rename ATA_FLAG_FLUSH_PIO_TASK to ATA_FLAG_FLUSH_PORT_TASK. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-11[PATCH] libata: kill unused pio_task and packet_taskTejun Heo
Kill unused pio_task and packet_task. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-11[PATCH] libata: convert pio_task and packet_task to port_taskTejun Heo
Make pio_task and atapi_packet_task use port_task. atapi_packet_task() is moved upward such that it's right after ata_pio_task(). This position is more natural and makes adding prototype for ata_qc_issue_prot() unnecessary. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-11[PATCH] libata: implement port_taskTejun Heo
Implement port_task. LLDD's can schedule a function to be executed with context after specified delay. libata core takes care of synchronization against EH. This is generalized form of pio_task and packet_task which are tied to PIO hsm implementation. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-11Merge branch 'master'Jeff Garzik
2006-03-06Allocate 96 bytes for SCSI sense data replyLinus Torvalds
The SCSI layer uses SCSI_SENSE_BUFFERSIZE (96) for the sense buffer size, even though some other code uses "sizeof(struct request_sense)" (which is 64 bytes). Allocate the buffer using the bigger of the two for safety. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-05[PATCH] sata_sil24: fix mwdma_mask settingTejun Heo
mwdma_mask was not copied from port_info to probe_ent. Fix it. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-05[PATCH] libata: revalidate after transfer mode configurationTejun Heo
Revalidate device after transfer mode configuration. This also makes dev->id up-to-date. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-05[PATCH] libata: implement ata_dev_revalidate()Tejun Heo
ata_dev_revalidate() re-reads IDENTIFY PAGE of the given device and makes sure it's the same device as the configured one. Once it's verified that it's the same device, @dev is configured according to newly read IDENTIFY PAGE. Note that revalidation currently doesn't invoke transfer mode reconfiguration. Criteria for 'same device' * same class (of course) * same model string * same serial string * if ATA, same n_sectors (to catch geometry parameter changes) Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-05[PATCH] libata: add @print_info argument to ata_dev_configure()Tejun Heo
Add @print_info argument to ata_dev_configure(). Details of configured device is printed only when @pinfo_info is non-zero. This patch also reorganizes device info printing for LBA case to simplify code (necessary as @print_info adds extra nesting around it). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-05[PATCH] libata: re-initialize parameters before configuringTejun Heo
In ata_dev_configure(), reinitialize parameters before configuring. This change is for revalidation and hotplug. As ata_dev_configure() can be entered multiple times, parameters need to be reinitialized. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-05[PATCH] sata_sil: cosmetic flag/constant changesTejun Heo
Collect common host flags into SIL_DFL_HOST_FLAGS and add comments to constants. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-05[PATCH] sata_sil: replace register address constants with sil_port[] entryTejun Heo
Kill SIL_FIFO_* and SIL_IDE2_BMDMA and replace them with proper sil_port[] entry. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-05[PATCH] sata_sil: use kzallocTejun Heo
Use kzalloc instead of kmalloc/memset. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-05[PATCH] sata_sil: replace sil_3112_m15w board id with sil_3112Tejun Heo
All 3112's have m15w. Replace sil_3112_m15w with sil_3112 and flag sil_3112 with SIL_FLAG_MOD15WRITE. Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Carlos Pardo <Carlos.Pardo@siliconimage.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-05[PATCH] ata_piix: rename PIIX_FLAG_IGN_PRESENT to PIIX_FLAG_IGNORE_PCSTejun Heo
Rename PIIX_FLAG_IGN_PRESENT to PIIX_FLAG_IGNORE_PCS as Jeff requested. Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Jeff Garzik <jgarzik@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-04[PATCH] sata_promise: Support FastTrak TX4300/TX4310Daniel Drake
This patch adds support for the Promise FastTrak TX4300/TX4310 4-port PCI SATA controllers based on the PDC40719 chip. Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-03[PATCH] libata: reorganize ata_bus_probe()Tejun Heo
Now that reset and configure are converted such that they don't modify or disable libata core data structures, reorganize ata_bus_probe() to reflect this change. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-03[PATCH] libata: fold ata_dev_config() into ata_dev_configure()Tejun Heo
ata_dev_config() needs to be done everytime a device is configured. Fold it into ata_dev_configure(). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-03[PATCH] libata: separate out ata_dev_configure()Tejun Heo
Separate out ata_dev_configure() from ata_dev_identify() such that ata_dev_configure() only configures @dev according to passed in @id. The function now does not disable device on failure, it just returns appropirate error code. As this change leaves ata_dev_identify() with only reading ID, calling configure and disabling devices according to the results, this patch also kills ata_dev_identify() and inlines the logic into ata_bus_probe(). Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-03[PATCH] libata: convert dev->id to pointerTejun Heo
Convert dev->id from array to pointer. This is to accomodate revalidation. During revalidation, both old and new IDENTIFY pages should be accessible and single ->id array doesn't cut it. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-03[PATCH] ata_piix: reimplement piix_sata_probe()Tejun Heo
Reimplement piix_sata_probe() such that it turns on PCS enable bits on all avaliable ports and check present bits after a while to determine device presence. This should help broken BIOSes. After device presence detection is complete, PCS enable bits of unoccupied bits are turned off unless the controller supports AHCI (ICH6/7 docs mandate all enables bits are always set on AHCI capable controllers). Note that PCS present bits are ignored on 6300ESB as described in the datasheet. This should fix device detection problems reported with the controller. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-03[PATCH] ata_piix: implement proper port mapTejun Heo
Replace combined mode handling via PIIX_COMB/COMB_PATA_P0 with proper port map. PIIX now prints port configuration during initialization. ATA_FLAG_SLAVE_POSS is now turned on for SATA ports only when the slave device is actually avaliable. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-03[PATCH] ata_piix: add a couple of flagsTejun Heo
Add PIIX_FLAG_IGN_PRESENT and SCR flags. Thi patch doesn't cause any functional change. To be used by later init/scr updates. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-03[PATCH] ata_piix: finer-grained port_infoTejun Heo
Make port_info finer-grained. This patch doesn't cause any functional change. Later init reimplementation will make use of it. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-01[PATCH] sata_sil: remove unneeded ATA_FLAG_SRST from 3512 port infoTejun Heo
Now unneeded ATA_FLAG_SRST sneaked into sil_3512 port info while merging upstream-fixes. Kill it. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-01[PATCH] libata: kill illegal kfree(id)Tejun Heo
Kill kfree(id) in failure path of ata_dev_read_id(). id is not dynamically allocated yet. Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-01[PATCH] sata_sil24: add a new PCI ID for SiI 3124Tejun Heo
Add a new PCI ID for SiI 3124. Reported by Silicon Image. Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Carlos Pardo <Carlos.Pardo@siliconimage.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-03-01Merge branch 'master'Jeff Garzik
2006-03-01Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds
2006-02-28[SCSI] aha152x: fix variable use before initialisation and other bugsJürgen E. Fischer
- change interface of the reset functions from Scsi_Cmnd to Scsi_Host. - add functions with the original interface and rename the new functions to reflect the new interface. - call these from the pcmcia driver, thereby avoiding the need to construct a (broken) Scsi_Cmnd from a Scsi_Host. - just run the bh if the interrupt is from the controller and if so ensure that it's only called once per interrupt. Signed-off-by: Juergen E. Fischer <fischer@linux-buechse.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28[SCSI] Fix uninitialised width and speed in sym2Matthew Wilcox
sym2 boards without NVRAM currently negotiate narrow due to this missed initialisation Signed-off-by: Matthew Wilcox <matthew@wil.cx> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-28[SCSI] Delete duplicate driver template.Ralf Baechle
Stuborn as compilers are they don't like duplicate definitions. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-27[SCSI] scsi: scsi command retries off by one fixBrian King
Fix up an off by one error in calculating retries for scsi commands. This bug was discovered when an SG_IO request was sent to scsi core with retries = 0, causing the overall timeout check to go off in scsi_softirq_done. Signed-off-by: Brian King <brking@us.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-27[SCSI] megaraid_sas: fix physical disk handlingChristoph Hellwig
This patch hides the devices completely from the midlayer instead. It requires the patch to handle the slave_configure failure I posted earlier. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2006-02-27[libata] Disable FUAJeff Garzik
Until problems are sorted.
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