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ide: add ide_do_test_unit_ready() helper

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* Add ide_do_test_unit_ready() helper and convert ide-{floppy,tape}.c
  to use it.

* Remove no longer used idetape_create_test_unit_ready_cmd().

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-10-10 22:39:39 +02:00
parent 0c8a6c7aea
commit de699ad595
4 changed files with 14 additions and 14 deletions
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11
drivers/ide/ide-atapi.c
View File

@ -162,6 +162,17 @@ int ide_queue_pc_tail(ide_drive_t *drive, struct gendisk *disk,
}
EXPORT_SYMBOL_GPL(ide_queue_pc_tail);
int ide_do_test_unit_ready(ide_drive_t *drive, struct gendisk *disk)
{
struct ide_atapi_pc pc;
ide_init_pc(&pc);
pc.c[0] = TEST_UNIT_READY;
return ide_queue_pc_tail(drive, disk, &pc);
}
EXPORT_SYMBOL_GPL(ide_do_test_unit_ready);
int ide_do_start_stop(ide_drive_t *drive, struct gendisk *disk, int start)
{
struct ide_atapi_pc pc;

6
drivers/ide/ide-floppy.c
View File

@ -773,7 +773,6 @@ static int idefloppy_open(struct inode *inode, struct file *filp)
struct gendisk *disk = inode->i_bdev->bd_disk;
struct ide_floppy_obj *floppy;
ide_drive_t *drive;
struct ide_atapi_pc pc;
int ret = 0;
debug_log("Reached %s\n", __func__);
@ -790,10 +789,7 @@ static int idefloppy_open(struct inode *inode, struct file *filp)
drive->atapi_flags &= ~IDE_AFLAG_FORMAT_IN_PROGRESS;
/* Just in case */
ide_init_pc(&pc);
pc.c[0] = GPCMD_TEST_UNIT_READY;
if (ide_queue_pc_tail(drive, disk, &pc))
if (ide_do_test_unit_ready(drive, disk))
ide_do_start_stop(drive, disk, 1);
if (ide_floppy_get_capacity(drive)

10
drivers/ide/ide-tape.c
View File

@ -1119,25 +1119,17 @@ static void idetape_create_write_filemark_cmd(ide_drive_t *drive,
pc->flags |= PC_FLAG_WAIT_FOR_DSC;
}
static void idetape_create_test_unit_ready_cmd(struct ide_atapi_pc *pc)
{
ide_init_pc(pc);
pc->c[0] = TEST_UNIT_READY;
}
static int idetape_wait_ready(ide_drive_t *drive, unsigned long timeout)
{
idetape_tape_t *tape = drive->driver_data;
struct gendisk *disk = tape->disk;
struct ide_atapi_pc pc;
int load_attempted = 0;
/* Wait for the tape to become ready */
set_bit(IDE_AFLAG_MEDIUM_PRESENT, &drive->atapi_flags);
timeout += jiffies;
while (time_before(jiffies, timeout)) {
idetape_create_test_unit_ready_cmd(&pc);
if (!ide_queue_pc_tail(drive, disk, &pc))
if (ide_do_test_unit_ready(drive, disk) == 0)
return 0;
if ((tape->sense_key == 2 && tape->asc == 4 && tape->ascq == 2)
|| (tape->asc == 0x3A)) {

1
include/linux/ide.h
View File

@ -1142,6 +1142,7 @@ void ide_queue_pc_head(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *,
struct request *);
int ide_queue_pc_tail(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *);
int ide_do_test_unit_ready(ide_drive_t *, struct gendisk *);
int ide_do_start_stop(ide_drive_t *, struct gendisk *, int);
int ide_set_media_lock(ide_drive_t *, struct gendisk *, int);