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path: root/drivers/ide/ide-probe.c
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2010-09-13ide: Fix ordering of procfs registry.Wolfram Sang
We must ensure that ide_proc_port_register_devices() occurs on an interface before ide_proc_register_driver() executes for that interfaces drives. Therefore defer the registry of the driver device objects backed by ide_bus_type until after ide_proc_port_register_devices() has run and thus all of the drive->proc procfs directory pointers have been setup. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-28Revert "ide: skip probe if there are no devices on the port (v2)"David S. Miller
This reverts commit a20b2a44eca52818ef52a94959480b7e6ea2f528. As requested by David Fries. This makes CDROMs which are slave drives on a ribbon without a master disappear and causes other similar kinds of badness. Signed-off-by: David S. Miller <davem@davemloft.net>
2010-03-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-next-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-next-2.6: (49 commits) drivers/ide: Fix continuation line formats ide: fixed section mismatch warning in cmd640.c ide: ide_timing_compute() fixup ide: make ide_get_best_pio_mode() static via82cxxx: use ->pio_mode value to determine pair device speed tx493xide: use ->pio_mode value to determine pair device speed siimage: use ->pio_mode value to determine pair device speed palm_bk3710: use ->pio_mode value to determine pair device speed it821x: use ->pio_mode value to determine pair device speed cs5536: use ->pio_mode value to determine pair device speed cs5535: use ->pio_mode value to determine pair device speed cmd64x: fix handling of address setup timings amd74xx: use ->pio_mode value to determine pair device speed alim15x3: fix handling of UDMA enable bit alim15x3: fix handling of DMA timings alim15x3: fix handling of command timings alim15x3: fix handling of address setup timings ide-timings: use ->pio_mode value to determine fastest PIO speed ide: change ->set_dma_mode method parameters ide: change ->set_pio_mode method parameters ...
2010-02-26block: Consolidate phys_segment and hw_segment limitsMartin K. Petersen
Except for SCSI no device drivers distinguish between physical and hardware segment limits. Consolidate the two into a single segment limit. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2010-02-26block: Rename blk_queue_max_sectors to blk_queue_max_hw_sectorsMartin K. Petersen
The block layer calling convention is blk_queue_<limit name>. blk_queue_max_sectors predates this practice, leading to some confusion. Rename the function to appropriately reflect that its intended use is to set max_hw_sectors. Also introduce a temporary wrapper for backwards compability. This can be removed after the merge window is closed. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2010-01-19ide: add drive->pio_mode fieldBartlomiej Zolnierkiewicz
Add pio_mode field to ide_drive_t matching pio_mode field used in struct ata_device. The validity of the field is restricted to ->set_pio_mode method only currently in IDE subsystem. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-06Revert "ide: try to use PIO Mode 0 during probe if possible"David S. Miller
This reverts commit 6029336426a2b43e4bc6f4a84be8789a047d139e. Ok, we really do need to revert this, even with Bart's sis5513.c fix in there. The problem is that several driver's ->set_pio_mode() method depends upon the drive->media type being set properly. Most of them use this to enable prefetching, which can only be done for disk media. But the commit being reverted here calls ->set_pio_mode() before it's setup. Actually it considers everything disk because that is the default media type set by ide_port_init_devices_data(). The set of drivers that depend upon the media type in their ->set_pio_method() are: drivers/ide/alim15x3.c drivers/ide/it8172.c drivers/ide/it8213.c drivers/ide/pdc202xx_old.c drivers/ide/piix.c drivers/ide/qd65xx.c drivers/ide/sis5513.c drivers/ide/slc90e66.c And it is possible that we could fix this by guarding the prefetching and other media dependent setting changes with a test on IDE_PFLAG_PROBING in hwif->port_flags, that's simply too risky for 2.6.32-rcX and -stable. Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-07Revert "Revert "ide: try to use PIO Mode 0 during probe if possible""Bartlomiej Zolnierkiewicz
This reverts commit 24df31acaff8465d797f0006437b45ad0f2a5cb1. The root cause of reported system hangs was (now fixed) sis5513 bug and not "ide: try to use PIO Mode 0 during probe if possible" change (commit 6029336426a2b43e4bc6f4a84be8789a047d139e) so the revert was incorrect (it simply replaced one regression with the other one). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-10-04Revert "ide: try to use PIO Mode 0 during probe if possible"David S. Miller
This reverts commit 6029336426a2b43e4bc6f4a84be8789a047d139e. Based upon a report by David Fries, wherein his system hangs on bootup with sis5513 controller, right after the CDROM is registered by ide-cd.c and the TOC is first read. Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-21trivial: remove unnecessary semicolonsJoe Perches
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-08-07ide: allow ide_dev_read_id() to be called from the IRQ contextBartlomiej Zolnierkiewicz
* Un-static __ide_wait_stat(). * Allow ide_dev_read_id() helper to be called from the IRQ context by adding irq_ctx flag and using mdelay()/__ide_wait_stat() when needed. * Switch ide_driveid_update() to set irq_ctx flag. This change is needed for the consecutive patch which fixes races in handling of user-space SET XFER commands but for improved bisectability and clarity it is better to do it in a separate patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-06-24ide: fix handling of unexpected IRQs vs request_irq()Bartlomiej Zolnierkiewicz
Add ide_host_enable_irqs() helper and use it in ide_host_register() before registering ports. Then remove no longer needed IRQ unmasking from in init_irq(). This should fix the problem with "screaming" shared IRQ on the first port (after request_irq() call while we have the unexpected IRQ pending on the second port) which was uncovered by my rework of the serialized interfaces support. Reported-by: Frans Pop <elendil@planet.nl> Tested-by: Frans Pop <elendil@planet.nl> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-06-20Merge branch 'for-2.6.31' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6 * 'for-2.6.31' of git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (34 commits) ide-cd: prevent null pointer deref via cdrom_newpc_intr ide: BUG() on unknown requests ide: filter out invalid DMA xfer mode changes in HDIO_DRIVE_CMD ioctl handler ide: do not access ide_drive_t 'drive_data' field directly sl82c105: implement test_irq() method siimage: implement test_irq() method pdc202xx_old: implement test_irq() method (take 2) cmd64x: implement test_irq() method cmd640: implement test_irq() method ide: move ack_intr() method into 'struct ide_port_ops' (take 2) ide: move IRQ clearing from ack_intr() method to clear_irq() method (take 2) siimage: use ide_dma_test_irq() (take 2) cmd64x: implement clear_irq() method (take 2) ide: call clear_irq() method in ide_timer_expiry() sgiioc4: coding style cleanup ide: don't enable IORDY at a probe time ide: IORDY handling fixes ata: add ata_id_pio_need_iordy() helper (v2) ide-tape: fix build issue ide: unify interrupt reason checking ...
2009-06-15ide: remove driver_data direct access of struct deviceGreg Kroah-Hartman
In the near future, the driver core is going to not allow direct access to the driver_data pointer in struct device. Instead, the functions dev_get_drvdata() and dev_set_drvdata() should be used. These functions have been around since the beginning, so are backwards compatible with all older kernel versions. Cc: linux-ide@vger.kernel.org Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-06-15ide: move ack_intr() method into 'struct ide_port_ops' (take 2)Sergei Shtylyov
Move the ack_intr() method into 'struct ide_port_ops', also renaming it to test_irq() while at it... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-06-15ide: don't enable IORDY at a probe timeBartlomiej Zolnierkiewicz
* Add 'unsigned long port_flags' field to ide_hwif_t. * Add IDE_PFLAG_PROBING port flag and keep it set during probing. * Fix ide_pio_need_iordy() to not enable IORDY at a probe time (IORDY may lead to controller lock up on certain controllers if the port is not occupied). Loosely based on the recent libata's fix by Tejun, thanks to Alan for the hint that IDE may also need it. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-06-10ide: fix PowerMac bootup oopsHugh Dickins
PowerMac bootup with CONFIG_IDE=y oopses in ide_pio_cycle_time(): because "ide: try to use PIO Mode 0 during probe if possible" causes pmac_ide_set_pio_mode() to be called before drive->id has been set. Bart points out other places which now need drive->id set earlier, so follow his advice to allocate it in ide_port_alloc_devices() (using kzalloc_node, without error message, as when allocating drive) and memset it for reuse in ide_port_init_devices_data(). Fixed in passing: ide_host_alloc() was missing ide_port_free_devices() from an error path. Signed-off-by: Hugh Dickins <hugh.dickins@tiscali.co.uk> Cc: Joao Ramos <joao.ramos@inov.pt> Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-06-08ide: skip probe if there are no devices on the port (v2)Bartlomiej Zolnierkiewicz
In ide_probe_port() skip probe if ide_port_wait_ready() returns -ENODEV and print error message instead of debug one if it returns -EBUSY. v2: Fix the default 'rc' value. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-06-07ide: respect quirk_drives[] list on all controllersBartlomiej Zolnierkiewicz
* Add ide_check_nien_quirk_list() helper to the core code and then use it in ide_port_tune_devices(). * Remove no longer needed ->quirkproc methods from hpt366.c and pdc202xx_{new,old}.c. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-05-22Merge branch 'for-linus' into for-nextBartlomiej Zolnierkiewicz
2009-05-22ide: report timeouts in ide_busy_sleep()Bartlomiej Zolnierkiewicz
* change 'hwif' argument to 'drive' * report an error on timeout Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-05-17ide: remove hw_regs_t typedefBartlomiej Zolnierkiewicz
Remove hw_regs_t typedef and rename struct hw_regs_s to struct ide_hw. There should be no functional changes caused by this patch. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-05-17ide: pass number of ports to ide_host_{alloc,add}() (v2)Bartlomiej Zolnierkiewicz
Pass number of ports to ide_host_{alloc,add}() and then update all users accordingly. v2: - drop no longer needed NULL initializers in buddha.c, cmd640.c and gayle.c (noticed by Sergei) There should be no functional changes caused by this patch. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-05-17ide: remove chipset field from hw_regs_tBartlomiej Zolnierkiewicz
* Convert host drivers that still use hw_regs_t's chipset field to use the one in struct ide_port_info instead. * Move special handling of ide_pci chipset type from ide_hw_configure() to ide_init_port(). * Remove chipset field from hw_regs_t. While at it: - remove stale comment in delkin_cb.c There should be no functional changes caused by this patch. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-05-17ide: replace special_t typedef by IDE_SFLAG_* flagsBartlomiej Zolnierkiewicz
Replace: - special_t typedef by IDE_SFLAG_* flags - 'special_t special' ide_drive_t's field by 'u8 special_flags' one There should be no functional changes caused by this patch. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-05-17ide: try to use PIO Mode 0 during probe if possibleJoao Ramos
Initially set PIO Mode 0 for all host drivers that have a 'set_pio_mode' method before the IDE core figures out the most suited PIO mode for the attached device. Signed-off-by: Joao Ramos <joao.ramos@inov.pt> Cc: Sergei Shtylyov <sshtylyov@ru.montavista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08ide: refactor tf_read() methodSergei Shtylyov
Simplify tf_read() method, making it deal only with 'struct ide_taskfile' and the validity flags that the upper layer passes, and factoring out the code that deals with the high order bytes into ide_tf_readback() to be called from the only two functions interested, ide_complete_cmd() and ide_dump_sector(). This should stop the needless code duplication in this method and so make it about twice smaller than it was; along with simplifying the setup for the method call, this should save both time and space... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08ide: refactor tf_load() methodSergei Shtylyov
Simplify tf_load() method, making it deal only with 'struct ide_taskfile' and the validity flags that the upper layer passes, and moving the code that deals with the high order bytes into the only function interested, do_rw_taskfile(). This should stop the needless code duplication in this method and so make it about twice smaller than it was; along with simplifying the setup for the method call, this should save both time and space... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08ide: replace IDE_TFLAG_* flags by IDE_VALID_*Sergei Shtylyov
Replace IDE_TFLAG_{IN|OUT}_* flags meaning to the taskfile register validity on input/output by the IDE_VALID_* flags and introduce 4 symmetric 8-bit register validity indicator subfields, 'valid.{input/output}.{tf|hob}', into the 'struct ide_cmd' instead of using the 'tf_flags' field for that purpose (this field can then be turned from 32-bit into 8-bit one). Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-04-08ide: Fix host drivers that need IRQF_SHAREDGeert Uytterhoeven
commit 255115fb35f80735c21a1cbe9809e9795a3af26e ("ide: allow host drivers to specify IRQ flags") added irq_flags fields to struct ide_port_info and struct ide_host. Drivers can now set ide_port_info.irq_flags = IRQF_SHARED, while init_irq() passes ide_host.irq_flags to request_irq(). Unfortunately ide_host.irq_flags is never set, causing (on ARAnyM): | Uniform Multi-Platform E-IDE driver | ide: Falcon IDE controller | Probing IDE interface ide0... | hda: Sarge m68k, ATA DISK drive | init_irq: sa = 0 | ide0: disabled, unable to get IRQ 15 | ide0: failed to initialize IDE interface | ide0: disabling port Solve this by copying ide_port_info.irq_flags to ide_host.irq_flags in ide_host_alloc(). This bug probably affects the following IDE host drivers: - buddha - delkin_cb - falconide - gayle - ide-cs - macide - q40ide - scc_pata - sgiioc4 Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-31ide: inline SELECT_DRIVE()Sergei Shtylyov
Since SELECT_DRIVE() has boiled down to a mere dev_select() method call, it now makes sense to just inline it... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-31ide: turn set_irq() method into write_devctl() methodSergei Shtylyov
Turn set_irq() method with its software reset hack into write_devctl() method (for just writing a value into the device control register) at last... Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-31ide: fix locking in drive_release_dev()Bartlomiej Zolnierkiewicz
* Request queue cleanup should happen before freeing drive->id and marking device as non-present. Fix it. * Remove superfluous hwif->lock acquiring/releasing. Cc: Stanislaw Gruszka <stf_xl@wp.pl> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-27ide: remove ide_task_t typedefBartlomiej Zolnierkiewicz
While at it: - rename struct ide_task_s to struct ide_cmd - remove stale comments from idedisk_{read_native,set}_max_address() - drop unused 'cmd' argument from ide_{cmd,task}_ioctl() - drop unused 'task' argument from tx4939ide_tf_load_fixup() - rename ide_complete_task() to ide_complete_cmd() - use consistent naming for struct ide_cmd variables There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-27ide: add IDE_HFLAG_4DRIVES host flagBartlomiej Zolnierkiewicz
Add IDE_HFLAG_4DRIVES host flag and use it instead of ide_4drives chipset type in ide_init_port(). There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-27ide: add IDE_HFLAG_DTC2278 host flagBartlomiej Zolnierkiewicz
Add IDE_HFLAG_DTC2278 host flag and use it instead of ide_dtc2278 chipset type in ide_init_port(). There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-27ide: remove now superfluous check from ide_host_register()Bartlomiej Zolnierkiewicz
There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-27ide: allow host drivers to specify IRQ flagsBartlomiej Zolnierkiewicz
* Add ->irq_flags field to struct ide_port_info and struct ide_host. * Update host drivers and IDE PCI code to use ->irq_flags field. * Convert init_irq() and ide_intr() to use host->irq_flags. This fixes handling of shared IRQs for non-PCI hosts and removes ugly ifdeffery from core IDE code. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-27ide: fix memleak on failure in probe_for_drive()Bartlomiej Zolnierkiewicz
Always free drive->id in probe_for_drive() if device is not present. While at it: - remove dead IDE_DFLAG_DEAD flag - remove superfluous IDE_DFLAG_PRESENT check Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-27ide: remove IDE_ARCH_LOCK (v2)Bartlomiej Zolnierkiewicz
* Add ->{get,release}_lock methods to struct ide_port_info and struct ide_host. * Convert core IDE code, m68k IDE code and falconide support to use ->{get,release}_lock methods instead of ide_{get,release}_lock(). * Remove IDE_ARCH_LOCK. v2: * Build fix from Geert updating ide_{get,release}_lock() callers in falconide.c. Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Michael Schmitz <schmitz@debian.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-27ide: move ->rqsize init from init_irq() to ide_init_port()Bartlomiej Zolnierkiewicz
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: use try_to_identify() in ide_driveid_update()Bartlomiej Zolnierkiewicz
* Pass pointer to buffer for IDENTIFY data to do_identify() and try_to_identify(). * Un-static try_to_identify() and use it in ide_driveid_update(). * Rename try_to_identify() to ide_dev_read_id(). There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: classify device type in do_probe()Bartlomiej Zolnierkiewicz
Defer classifying device type from do_identify() to do_probe(). There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: remove broken EXABYTENEST supportBartlomiej Zolnierkiewicz
do_identify() marks EXABYTENEST device as non-present and frees drive->id so enable_nest() has absolutely no chance of working. The code was like this since at least 2.6.12-rc2 and nobody has noticed so just remove broken EXABYTENEST support. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: remove try_to_identify() wrapperBartlomiej Zolnierkiewicz
There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: remove no longer needed IRQ auto-probing from try_to_identify() (v2)Bartlomiej Zolnierkiewicz
v2: Update actual_try_to_identify() documentation. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: remove no longer needed IRQ fallback code from hwif_init()Bartlomiej Zolnierkiewicz
Then remove no longer used __ide_default_irq(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: handle IDE_HFLAG[_FORCE]_LEGACY_IRQS in ide_pci_init_{one,two}()Bartlomiej Zolnierkiewicz
Move handling of IDE_HFLAG[_FORCE]_LEGACY_IRQS from ide_init_port() to ide_pci_init_{one,two}(). There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: sanitize ACPI initializationBartlomiej Zolnierkiewicz
* ide_acpi_init() -> ide_acpi_init_port() * ide_acpi_blacklist() -> ide_acpi_init() * Call ide_acpi_init() only once (do it during IDE core initialization) and cleanup the function accordingly. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: add ide_for_each_present_dev() iteratorBartlomiej Zolnierkiewicz
* Add ide_for_each_present_dev() iterator and convert IDE code to use it. * Do some drive-by CodingStyle fixups in ide-acpi.c while at it. There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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