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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-07-23 19:55:54 +0200
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-07-23 19:55:54 +0200
commit1f2efb82af3cfbac995f590a8f8d3beb6fa5678b (patch)
treec5345a326f9898abff9c355eb5f2ef3140050891 /drivers/ide/ide-probe.c
parent92eb43800a3c1300bd5cb8a2a27e6f2a84f7042e (diff)
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 'drivers/ide/ide-probe.c')
-rw-r--r--drivers/ide/ide-probe.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 970464317bd..21cea45e9f2 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]);