- 07 1月, 2009 37 次提交
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由 Shane McDonald 提交于
Support for the IT8172 IDE controller was removed from the kernel sometime after 2.6.18. Support for the only boards that used the IT8172 was removed from the kernel after 2.6.18, as they had never compiled since 2.6.0. However, there are a couple of platforms that use this chip: the PMC-Sierra Xiao Hu thin-client computer, which is no longer in production, and the Linksys NSS4000 Network Attached Storage box, which is based on the Xiao Hu board. I am attempting to add support for the Xiao Hu to the kernel, and this IT8172 IDE controller is the first bit of code in this effort. This patch resurrects the IT8172 IDE controller code. I began with the 2.6.18 version of the it8172.c file, and have moved it forward so that it works with the latest version of the kernel. I have run this driver on a PMC-Sierra Xiao Hu board with the 2.6.28 kernel, and I have had no problems with it in my configuration. The attached patch applies cleanly against 2.6.28. Signed-off-by: NShane McDonald <mcdonald.shane@gmail.com> Acked-by: NSergei Shtylyov <sshtylyov@ru.mvista.com> Cc: alan@lxorguk.ukuu.org.uk [bart: s/HWIF(drive)/drive->hwif/] Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Allows UDMA > 33 on ACER TM290 and ACER Aspire 1694WLMi. Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Reported-by: NBruno Prémont <bonbons@linux-vserver.org> Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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This makes ide_port_scan()'s behavior match ide_host_register()'s one and fixes OOPS in elv_may_queue() during port re-scan. Reported-and-tested-by: NBruno Prémont <bonbons@linux-vserver.org> Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* ->cur_dev should now be always valid if ->handler is set so remove redundant checks from ide_intr() and ide_timer_expiry(). * Apply CodingStyle fixups in ide_timer_expiry() while at it. There should be no functional changes caused by this patch. Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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There should be no functional changes caused by this patch. Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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There should be no functional changes caused by this patch. Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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If ->handler is set while it shouldn't be it indicates deep problems so BUG_ON()-ning and preventing further damage is much more appropriate than merely printing an error message. Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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由 Borislav Petkov 提交于
... and remove no longer needed cdrom_start_packet_command and cdrom_transfer_packet_command. Tested lightly with ide-cd and ide-floppy. Signed-off-by: NBorislav Petkov <petkovbb@gmail.com> Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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由 Borislav Petkov 提交于
as it is done for all other IDE ATAPI devices. There should be no functionality change resulting from this patch. Signed-off-by: NBorislav Petkov <petkovbb@gmail.com> Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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由 Borislav Petkov 提交于
... instead of assuming it is set for accelerated DRQ type devices. Signed-off-by: NBorislav Petkov <petkovbb@gmail.com> Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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由 Mario Schwalbe 提交于
According the documentation, id[ATA_ID_DWORD_IO] is non-zero if the drive supports dword IO, while the code disables support by setting IDE_DFLAG_NO_IO_32BIT. In addition, this word has been reused by the ATA8 specification. This patch fixes both cases. Signed-off-by: NMario Schwalbe <schwalbe@inf.tu-dresden.de> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> [bart: remove id[ATA_ID_DWORD_IO] check altogether per Sergei's suggestion] Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Add ide_port_for_each_dev() / ide_host_for_each_port() iterators and update IDE code to use them. While at it: - s/unit/i/ variable in ide_port_wait_ready(), ide_probe_port(), ide_port_tune_devices(), ide_port_init_devices_data(), do_reset1(), ide_acpi_set_state() and scc_dma_end() - s/d/i/ variable in ide_proc_port_register_devices() There should be no functional changes caused by this patch. Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Allocate device structures dynamically instead of having them embedded in ide_hwif_t: * Remove needless zeroing of port structure from ide_init_port_data(). * Add ide_hwif_t.devices[MAX_DRIVES] (table of pointers to the devices). * Add ide_port_{alloc,free}_devices() helpers and use them respectively in ide_{host,free}_alloc(). * Convert all users of ->drives[] to use ->devices[] instead. While at it: * Use drive->dn for the slave device check in scc_pata.c. As a nice side-effect this patch cuts ~1kB (x86-32) from the resulting code size: text data bss dec hex filename 53963 1244 237 55444 d894 drivers/ide/ide-core.o.before 52981 1244 237 54462 d4be drivers/ide/ide-core.o.after Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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kzalloc() -> kzalloc_node() in ide_host_alloc(). Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Because presence of the peer device was not checked in it821x_set_pio_mode() PIO0 mode was used for taskfile PIO in single device configurations. Acked-by: NSergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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There should be no functional changes caused by this patch. Acked-by: NSergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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There should be no functional changes caused by this patch. Acked-by: NSergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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There should be no functional changes caused by this patch. Acked-by: NSergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Remove (now superfluous) ->error method from struct ide_driver. * Unexport __ide_error() and make it static. Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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While at it: - s/struct ide_driver_s/struct ide_driver/ - use to_ide_driver() macro in ide-proc.c Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Just use u8 instead, also s/__u8/u8/ in ide-cd.h while at it. Acked-by: NSergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Remove needless parens while at it. Acked-by: NSergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Move IDE_DEFAULT_MAX_FAILURES to <linux/ide.h>. * Move ide_cfg_mtx, ide_hwif_to_major[], ide_port_init_devices_data(), ide_init_port_data(), ide_init_port_hw() and ide_unregister() to ide-probe.c from ide.c. * Make ide_unregister(), ide_init_port_data(), ide_init_port_hw() and ide_cfg_mtx static. While at it: * Remove stale ide_init_port_data() documentation and ide_lock extern. Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Merge ide_hwgroup_t with ide_hwif_t. * Cleanup init_irq() accordingly, then remove no longer needed ide_remove_port_from_hwgroup() and ide_ports[]. * Remove now unused HWGROUP() macro. While at it: * ide_dump_ata_error() fixups v2: * Fix ->quirk_list check in do_ide_request() (s/hwif->cur_dev/prev_port->cur_dev). Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Add ->host_busy field to struct ide_host and use it's first bit together with lock bitops to provide new ports serialization method. * Convert core IDE code to use new ide_[un]lock_host() helpers. This removes the need for taking hwgroup->lock if host is already busy on serialized hosts and makes it possible to merge ide_hwgroup_t into ide_hwif_t (done in the later patch). * Remove no longer needed ide_hwgroup_t.busy and ide_[un]lock_hwgroup(). * Update do_ide_request() documentation. v2: * ide_release_lock() should be called inside IDE_HFLAG_SERIALIZE check. * Add ide_hwif_t.busy flag and ide_[un]lock_port() for serializing devices on a port. Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Add 'int port_count' field to ide_hwgroup_t to keep the track of the number of ports in the hwgroup. Then update init_irq() and ide_remove_port_from_hwgroup() to use it. * Remove no longer needed hwgroup->hwif, {drive,hwif}->next, ide_add_drive_to_hwgroup() and ide_remove_drive_from_hwgroup() (hwgroup->drive now only denotes the currently active device in the hwgroup). * Update locking documentation in <linux/ide.h>. While at it: * Rename ->drive field in ide_hwgroup_t to ->cur_dev. * Use __func__ in ide_timer_expiry(). Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Use hwif instead of hwgroup as {request,free}_irq()'s cookie, teach ide_intr() to return early for non-active serialized ports, modify unexpected_intr() accordingly and then use per-port IRQ handlers instead of per-hwgroup ones. Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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* Pass 'ide_hwif_t *' instead of 'ide_hwgroup_t *' to unexpected_intr(). * Cache pointer to the port currently being serviced in ->cur_port and use it instead of hwif->hwgroup on serialized hosts. Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Fix do_ide_request() to operate on previous device / port instead of the current one. The original code was wrong since at least Feb 2002 (2.4.0 timeframe). Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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commit 295f0004 ("ide: don't execute the next queued command from the hard-IRQ context") overlooked that ide_do_drive_cmd() (used for REQUEST SENSE command handling) may still invoke do_ide_request() (->request_fn) in the hard-IRQ context through blk_start_queueing(). This resulted in a LOCKDEP warning after commit b599bc7a1199419e122cb2e9ec6b0fa2cfbbc17b ("ide: use per-device request queue locks (v2)"). Since calling blk_start_queuing() in ide_do_drive_cmd() doesn't make much sense as the port is already marked as busy (so the execution of the new command will be deferred anyway) then just remove it fixing LOCKDEP warning and saving some CPU cycles at the same time. Reported-and-tested-by: NLarry Finger <Larry.Finger@lwfinger.net> Reported-by: NGrissiom <chaos.proton@gmail.com> Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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- 06 1月, 2009 3 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm由 Linus Torvalds 提交于
* git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm: dm snapshot: extend exception store functions dm snapshot: split out exception store implementations dm snapshot: rename struct exception_store dm snapshot: separate out exception store interface dm mpath: move trigger_event to system workqueue dm: add name and uuid to sysfs dm table: rework reference counting dm: support barriers on simple devices dm request: extend target interface dm request: add caches dm ioctl: allow dm_copy_name_and_uuid to return only one field dm log: ensure log bitmap fits on log device dm log: move region_size validation dm log: avoid reinitialising io_req on every operation dm: consolidate target deregistration error handling dm raid1: fix error count dm log: fix dm_io_client leak on error paths dm snapshot: change yield to msleep dm table: drop reference at unbind
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由 Jonathan Brassow 提交于
Supply dm_add_exception as a callback to the read_metadata function. Add a status function ready for a later patch and name the functions consistently. Signed-off-by: NJonathan Brassow <jbrassow@redhat.com> Signed-off-by: NAlasdair G Kergon <agk@redhat.com>
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由 Alasdair G Kergon 提交于
Move the existing snapshot exception store implementations out into separate files. Later patches will place these behind a new interface in preparation for alternative implementations. Signed-off-by: NAlasdair G Kergon <agk@redhat.com>
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