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ide: add missing checks for control register existence 

Add missing checks for control register existence (some legacy m68k specific
IDE controllers don't have it).  Also use drive->ctl while at it.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
hifive-unleashed-5.1
Bartlomiej Zolnierkiewicz 2007-12-12 23:31:57 +01:00
parent 69ae6fee4f
commit ad0e74d385
2 changed files with 4 additions and 2 deletions
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3
drivers/ide/ide-io.c
View File

@ -970,7 +970,8 @@ static void ide_check_pm_state(ide_drive_t *drive, struct request *rq)
if (rc)
printk(KERN_WARNING "%s: bus not ready on wakeup\n", drive->name);
SELECT_DRIVE(drive);
HWIF(drive)->OUTB(8, HWIF(drive)->io_ports[IDE_CONTROL_OFFSET]);
if (IDE_CONTROL_REG)
HWIF(drive)->OUTB(drive->ctl, IDE_CONTROL_REG);
rc = ide_wait_not_busy(HWIF(drive), 100000);
if (rc)
printk(KERN_WARNING "%s: drive not ready on wakeup\n", drive->name);

3
drivers/ide/ide-probe.c
View File

@ -667,7 +667,8 @@ static int wait_hwif_ready(ide_hwif_t *hwif)
/* Ignore disks that we will not probe for later. */
if (!drive->noprobe || drive->present) {
SELECT_DRIVE(drive);
hwif->OUTB(8, hwif->io_ports[IDE_CONTROL_OFFSET]);
if (IDE_CONTROL_REG)
hwif->OUTB(drive->ctl, IDE_CONTROL_REG);
mdelay(2);
rc = ide_wait_not_busy(hwif, 35000);
if (rc)