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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-07-23 19:55:54 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-07-23 19:55:54 +0200 |
| commit | 1f2efb82af3cfbac995f590a8f8d3beb6fa5678b (patch) | |
| tree | c5345a326f9898abff9c355eb5f2ef3140050891 /drivers/ide/ide-probe.c | |
| parent | ide: use ->tf_read in ide_read_error() (diff) | |
| download | linux-1f2efb82af3cfbac995f590a8f8d3beb6fa5678b.tar.xz linux-1f2efb82af3cfbac995f590a8f8d3beb6fa5678b.zip | |
ide: add ide_read_device() helper
Add ide_read_device() helper and convert do_probe() to use it
instead of ->INB.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/ide/ide-probe.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 970464317bd7..21cea45e9f21 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -410,6 +410,18 @@ static int ide_busy_sleep(ide_hwif_t *hwif) return 1; } +static u8 ide_read_device(ide_drive_t *drive) +{ + ide_task_t task; + + memset(&task, 0, sizeof(task)); + task.tf_flags = IDE_TFLAG_IN_DEVICE; + + drive->hwif->tf_read(drive, &task); + + return task.tf.device; +} + /** * do_probe - probe an IDE device * @drive: drive to probe @@ -434,7 +446,6 @@ static int ide_busy_sleep(ide_hwif_t *hwif) static int do_probe (ide_drive_t *drive, u8 cmd) { ide_hwif_t *hwif = HWIF(drive); - struct ide_io_ports *io_ports = &hwif->io_ports; int rc; u8 stat; @@ -455,8 +466,8 @@ static int do_probe (ide_drive_t *drive, u8 cmd) msleep(50); SELECT_DRIVE(drive); msleep(50); - if (hwif->INB(io_ports->device_addr) != drive->select.all && - !drive->present) { + + if (ide_read_device(drive) != drive->select.all && !drive->present) { if (drive->select.b.unit != 0) { /* exit with drive0 selected */ SELECT_DRIVE(&hwif->drives[0]); |