summaryrefslogtreecommitdiff
path: root/drivers/ata/pata_mpiix.c
AgeCommit message (Collapse)AuthorFilesLines
2007-05-12libata: reimplement suspend/resume support using sdev->manage_start_stopTejun Heo1-4/+0
Reimplement suspend/resume support using sdev->manage_start_stop. * Device suspend/resume is now SCSI layer's responsibility and the code is simplified a lot. * DPM is dropped. This also simplifies code a lot. Suspend/resume status is port-wide now. * ata_scsi_device_suspend/resume() and ata_dev_ready() removed. * Resume now has to wait for disk to spin up before proceeding. I couldn't find easy way out as libata is in EH waiting for the disk to be ready and sd is waiting for EH to complete to issue START_STOP. * sdev->manage_start_stop is set to 1 in ata_scsi_slave_config(). This fixes spindown on shutdown and suspend-to-disk. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-05-01libata: add deadline support to prereset and reset methodsTejun Heo1-2/+3
Add @deadline to prereset and reset methods and make them honor it. ata_wait_ready() which directly takes @deadline is implemented to be used as the wait function. This patch is in preparation for EH timing improvements. * ata_wait_ready() never does busy sleep. It's only used from EH and no wait in EH is that urgent. This function also prints 'be patient' message automatically after 5 secs of waiting if more than 3 secs is remaining till deadline. * ata_bus_post_reset() now fails with error code if any of its wait fails. This is important because earlier reset tries will have shorter timeout than the spec requires. If a device fails to respond before the short timeout, reset should be retried with longer timeout rather than silently ignoring the device. There are three behavior differences. 1. Timeout is applied to both devices at once, not separately. This is more consistent with what the spec says. 2. When a device passes devchk but fails to become ready before deadline. Previouly, post_reset would just succeed and let device classification remove the device. New code fails the reset thus causing reset retry. After a few times, EH will give up disabling the port. 3. When slave device passes devchk but fails to become accessible (TF-wise) after reset. Original code disables dev1 after 30s timeout and continues as if the device doesn't exist, while the patched code fails reset. When this happens, new code fails reset on whole port rather than proceeding with only the primary device. If the failing device is suffering transient problems, new code retries reset which is a better behavior. If the failing device is actually broken, the net effect is identical to it, but not to the other device sharing the channel. In the previous code, reset would have succeeded after 30s thus detecting the working one. In the new code, reset fails and whole port gets disabled. IMO, it's a pathological case anyway (broken device sharing bus with working one) and doesn't really matter. * ata_bus_softreset() is changed to return error code from ata_bus_post_reset(). It used to return 0 unconditionally. * Spin up waiting is to be removed and not converted to honor deadline. * To be on the safe side, deadline is set to 40s for the time being. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-04-28libata: convert the remaining PATA drivers to new init modelTejun Heo1-19/+17
Convert pdc_adma, pata_cs5520, pata_isapnp, pata_ixp4xx_cf, pata_legacy, pata_mpc52xx, pata_mpiix, pata_pcmcia, pata_pdc2027x, pata_platform, pata_qdi, pata_scc and pata_winbond to new init model. * init_one()'s now follow more consistent init order * cs5520 now registers one host with two ports, not two hosts. If any of the two ports are disabled, it's made dummy as other drivers do. Tested pdc_adma and pata_legacy. Both are as broken as before. The rest are compile tested only. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-04-28[libata] Update several PATA drivers for new ->cable_detect hookJeff Garzik1-2/+2
All patches authored and signed-off-by Alan Cox, sent on Mar 7, 2007. I merely combined them all into a single patch. Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-03libata: add missing CONFIG_PM in LLDsTejun Heo1-0/+4
Add missing #ifdef CONFIG_PM conditionals around all PM related parts in libata LLDs. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-14[PATCH] Scheduled removal of SA_xxx interrupt flags fixupsThomas Gleixner1-1/+1
The obsolete SA_xxx interrupt flags have been used despite the scheduled removal. Fixup the remaining users. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Roman Zippel <zippel@linux-m68k.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Jeff Garzik <jeff@garzik.org> Cc: Wim Van Sebroeck <wim@iguana.be> Cc: Roland Dreier <rolandd@cisco.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: James Bottomley <James.Bottomley@steeleye.com> Cc: Greg KH <greg@kroah.com> Cc: Dave Airlie <airlied@linux.ie> Cc: James Simmons <jsimmons@infradead.org> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-10(2.6.20) pata_mpiix: probing cleanup (resend)Sergei Shtylyov1-7/+6
MPIIX has only single channel IDE which can be configured for either primary or secondary legacy I/O ports and IRQ. So, get rid of the unneeded second probe entry in mpiix_init_one() and of the invalid (but unused anyway) enable bits in mpiix_pre_reset(). Warning: this cleanup has only been compile-tested... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-10(2.6.20) pata_mpiix: fix PIO setup issuesSergei Shtylyov1-9/+10
Fix clearing/setting the wrong TIME/IE/PPE bits for a slave drive caused by a wrong shift count. Fix the PIO mode 1 being overclocked by wrongly selecting the fast timing bank. Also, fix/rephrase some comments while at it. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-10libata: add another IRQ calls (libata drivers)Akira Iguchi1-0/+2
This patch is against each libata driver. Two IRQ calls are added in ata_port_operations. - irq_on() is used to enable interrupts. - irq_ack() is used to acknowledge a device interrupt. In most drivers, ata_irq_on() and ata_irq_ack() are used for irq_on and irq_ack respectively. In some drivers (ex: ahci, sata_sil24) which cannot use them as is, ata_dummy_irq_on() and ata_dummy_irq_ack() are used. 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>
2007-02-10libata: convert to iomapTejun Heo1-30/+31
Convert libata core layer and LLDs to use iomap. * managed iomap is used. Pointer to pcim_iomap_table() is cached at host->iomap and used through out LLDs. This basically replaces host->mmio_base. * if possible, pcim_iomap_regions() is used Most iomap operation conversions are taken from Jeff Garzik <jgarzik@pobox.com>'s iomap branch. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-10libata: update libata LLDs to use devresTejun Heo1-21/+1
Update libata LLDs to use devres. Core layer is already converted to support managed LLDs. This patch simplifies initialization and fixes many resource related bugs in init failure and detach path. For example, all converted drivers now handle ata_device_add() failure gracefully without excessive resource rollback code. As most resources are released automatically on driver detach, many drivers don't need or can do with much simpler ->{port|host}_stop(). In general, stop callbacks are need iff port or host needs to be given commands to shut it down. Note that freezing is enough in many cases and ports are automatically frozen before being detached. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-12-03[PATCH] libata: kill unnecessary sht->max_sectors initializationsTejun Heo1-1/+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>
2006-12-02[PATCH] PATA libata: suspend/resume simple casesAlan1-2/+6
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>
2006-11-29[PATCH] libata: add missing sht->slave_destroyTejun Heo1-0/+1
Many LLDs are missing sht->slave_destroy. The method is mandatory to support device warm unplugging (echo 1 > /sys/.../delete). Without it, libata might access released scsi device. Signed-off-by: Tejun Heo <htejun@gmail.com>
2006-09-29[libata] PCI ID table cleanup in various driversJeff Garzik1-6/+3
* Use PCI_VDEVICE() macro * const-ify pci_device_id table * standardize list terminator as "{ }" * convert spaces to tab in pci_driver struct (Alan-ism) * various minor whitespace cleanups Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-09-26[PATCH] libata-eh: Remove layering violation and duplication when handling ↵Alan Cox1-7/+4
absent ports This removes the layering violation where drivers have to fiddle directly with EH flags. Instead we now recognize -ENOENT means "no port" and do the handling in the core code. This also removes an instance of a call to disable the port, and an identical printk from each driver doing this. Even better - future rule changes will be in one place only. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2006-08-30[libata] Add a bunch of PATA drivers.Jeff Garzik1-0/+313
The vast majority of drivers and changes are from Alan Cox. Albert Lee contributed and maintains pata_pdc2027x. Adrian Bunk, Andrew Morton, and Tejun Heo contributed various minor fixes and updates. Signed-off-by: Jeff Garzik <jeff@garzik.org>