Add ide_read_device() helper and convert do_probe() to use it
instead of ->INB.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
---
drivers/ide/ide-probe.c | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
Index: b/drivers/ide/ide-probe.c
===================================================================
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -410,6 +410,18 @@ static int ide_busy_sleep(ide_hwif_t *hw
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 *hw
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,
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]);
--
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