[BK PATCHES] ide-2.6 update

[Bartlomiej Zolnierkiewicz]

Hi Linus,

Please do a

	bk pull bk://bart.bkbits.net/ide-2.6

This will update the following files:

 drivers/ide/Kconfig        |    1
 drivers/ide/ide-cd.c       |   58 ++++--------
 drivers/ide/ide-default.c  |   17 ++-
 drivers/ide/ide-disk.c     |  213 +++------------------------------------------
 drivers/ide/ide-floppy.c   |   15 ++-
 drivers/ide/ide-io.c       |  169 ++++++++++++++++++++++++++++++++++-
 drivers/ide/ide-iops.c     |   20 ++++
 drivers/ide/ide-probe.c    |   62 ++++++++++++-
 drivers/ide/ide-proc.c     |    8 -
 drivers/ide/ide-tape.c     |   21 +---
 drivers/ide/ide-taskfile.c |    6 -
 drivers/ide/ide.c          |   80 ----------------
 drivers/scsi/ide-scsi.c    |   11 ++
 include/linux/ide.h        |    6 -
 14 files changed, 329 insertions(+), 358 deletions(-)

through these ChangeSets:

<bzolnier@trik.(none)> (05/03/10 1.2016)
   [ide] kill setup_driver_defaults()

   * move default_do_request() to ide-default.c
   * fix drivers to set ide_driver_t->{do_request,end_request,error,abort}
   * kill setup_driver_defaults()

   Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>

<bzolnier@trik.(none)> (05/03/10 1.2015)
   [ide] kill ide_driver_t->capacity

   * add private /proc/ide/hd?/capacity handlers to ide-{cd,disk,floppy}.c
   * use generic proc_ide_read_capacity() for ide-{scsi,tape}.c
   * kill ->capacity, default_capacity() and generic_subdriver_entries[]

   Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>

<bzolnier@trik.(none)> (05/03/10 1.2014)
   [ide] kill ide_driver_t->pre_reset

   Add ide_drive_t->post_reset flag and use it to signal post reset
   condition to the ide-tape driver (the only user of ->pre_reset).

   Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>

<bzolnier@trik.(none)> (05/03/10 1.2013)
   [ide] fix some rare ide-default vs ide-disk races

   Some rare races between ide-default and ide-disk are possible, i.e.:
   * ide-default is used, I/O request is triggered (ie. /proc/ide/hd?/identify),
     drive->special is cleared silently (so CHS is not initialized properly),
     ide-disk is loaded and fails if drive uses CHS
   * ide-disk is used, drive is resetted, ide-disk is unloaded, ide-default
     takes control over drive and on the first I/O request silently clears
     drive->special without restoring settings

   Fix them by moving idedisk_{special,pre_reset}() and company to IDE core.

   Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>

<bzolnier@trik.(none)> (05/03/10 1.2012)
   [ide] generic Power Management for IDE devices

   Move PM code from ide-cd.c and ide-disk.c to IDE core so:
   * PM is supported for other ATAPI devices (floppy, tape)
   * PM is supported even if specific driver is not loaded

   Also s/HWIF(drive)/drive->hwif/ while at it.

   Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>

<bzolnier@trik.(none)> (05/03/10 1.2011)
   [ide] fix drive->ready_stat for ATAPI

   ATAPI devices ignore DRDY bit so drive->ready_stat must be set to zero.
   It is currently done by device drivers (including ide-default fake driver)
   but for PMAC driver it is too late as wait_for_ready() may be called during
   probe: probe_hwif()->pmac_ide_dma_check()->pmac_ide_{mdma,udma}_enable()->
   ->pmac_ide_do_setfeature()->wait_for_ready().

   Fixup drive->ready_stat just after detecting ATAPI device.

   Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>

<bram.verweij@xxxxxxxxxx> (05/03/10 1.2010)
   [ide] fix DMA support for LBA48 disks on ALi15x3 (revs < 0xC5)

   From: Bram Verweij <bram.verweij@xxxxxxxxxx>

   The problem seems to be that ide-disk.c tries to use PIO mode for
   blocks > 137 GB (which is good), and LBA48 + DMA for blocks <= 137GB
   (which is known to be a problem, i.e., this is why the no_lba48_dma
   field was introduced in the first place).  Attached is a small patch
   that makes ide-disk.c use PIO mode for blocks > 137 GB, and LBA28 DMA
   (instead of LBA48 DMA) for blocks <= 137 GB.

   bart: argh, I forgot about 'lba48' flag; patch slightly modified by me

   Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>

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