[PATCH] ide: ide_config_drive_speed() bugfixes * Use ->OUTBSYNC instead of ->OUTB when writing command register (needed for scc_pata and pmac host drivers). * Don't check DRDY bit of the status register on ATAPI devices (ATAPI devices are free to ignore DRDY bit). Cc: Benjamin Herrenschmidt Cc: Kou Ishizaki Cc: Akira Iguchi Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-iops.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Index: b/drivers/ide/ide-iops.c =================================================================== --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -822,7 +822,7 @@ int ide_config_drive_speed (ide_drive_t hwif->OUTB(drive->ctl | 2, IDE_CONTROL_REG); hwif->OUTB(speed, IDE_NSECTOR_REG); hwif->OUTB(SETFEATURES_XFER, IDE_FEATURE_REG); - hwif->OUTB(WIN_SETFEATURES, IDE_COMMAND_REG); + hwif->OUTBSYNC(drive, WIN_SETFEATURES, IDE_COMMAND_REG); if ((IDE_CONTROL_REG) && (drive->quirk_list == 2)) hwif->OUTB(drive->ctl, IDE_CONTROL_REG); udelay(1); @@ -849,7 +849,7 @@ int ide_config_drive_speed (ide_drive_t */ for (i = 0; i < 10; i++) { udelay(1); - if (OK_STAT((stat = hwif->INB(IDE_STATUS_REG)), DRIVE_READY, BUSY_STAT|DRQ_STAT|ERR_STAT)) { + if (OK_STAT((stat = hwif->INB(IDE_STATUS_REG)), drive->ready_stat, BUSY_STAT|DRQ_STAT|ERR_STAT)) { error = 0; break; }