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ide: add ->read_status method

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* Remove ide_read_status() inline helper.

* Add ->read_status method for reading ATA Status register
  and use it instead of ->INB.

While at it:

* Don't use HWGROUP() macro.

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2008-07-23 19:55:52 +02:00
parent c6dfa867bb
commit b73c7ee25d
15 changed files with 103 additions and 69 deletions
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12
drivers/ide/ide-cd.c
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@@ -280,11 +280,12 @@ static void ide_dump_status_no_sense(ide_drive_t *drive, const char *msg, u8 st)
*/
static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
{
struct request *rq = HWGROUP(drive)->rq;
ide_hwif_t *hwif = drive->hwif;
struct request *rq = hwif->hwgroup->rq;
int stat, err, sense_key;
/* check for errors */
stat = ide_read_status(drive);
stat = hwif->read_status(hwif);
if (stat_ret)
*stat_ret = stat;
@@ -606,6 +607,8 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive,
static int ide_cd_check_ireason(ide_drive_t *drive, struct request *rq,
int len, int ireason, int rw)
{
ide_hwif_t *hwif = drive->hwif;
/*
* ireason == 0: the drive wants to receive data from us
* ireason == 2: the drive is expecting to transfer data to us
@@ -624,7 +627,7 @@ static int ide_cd_check_ireason(ide_drive_t *drive, struct request *rq,
* Some drives (ASUS) seem to tell us that status info is
* available. Just get it and ignore.
*/
(void)ide_read_status(drive);
(void)hwif->read_status(hwif);
return 0;
} else {
/* drive wants a command packet, or invalid ireason... */
@@ -1199,8 +1202,9 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq,
if (blk_fs_request(rq)) {
if (info->cd_flags & IDE_CD_FLAG_SEEKING) {
ide_hwif_t *hwif = drive->hwif;
unsigned long elapsed = jiffies - info->start_seek;
int stat = ide_read_status(drive);
int stat = hwif->read_status(hwif);
if ((stat & SEEK_STAT) != SEEK_STAT) {
if (elapsed < IDECD_SEEK_TIMEOUT) {