lkml.org 
[lkml]   [2008]   [Jun]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Date
Subject[PATCH 15/18] 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>
---
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]);

\
 
 \ /
  Last update: 2008-06-20 23:39    [W:0.281 / U:0.340 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site