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ide-disk: add idedisk_set_doorlock() helper 

There should be no functionality changes caused by this patch.

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-01-26 20:12:59 +01:00
parent 7b971df185
commit 29ec683f01
1 changed files with 13 additions and 10 deletions
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23
drivers/ide/ide-disk.c
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@ -975,6 +975,17 @@ static ide_driver_t idedisk_driver = {
#endif
};
static int idedisk_set_doorlock(ide_drive_t *drive, int on)
{
ide_task_t task;
memset(&task, 0, sizeof(task));
task.tf.command = on ? WIN_DOORLOCK : WIN_DOORUNLOCK;
task.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE;
return ide_no_data_taskfile(drive, &task);
}
static int idedisk_open(struct inode *inode, struct file *filp)
{
struct gendisk *disk = inode->i_bdev->bd_disk;
@ -989,17 +1000,13 @@ static int idedisk_open(struct inode *inode, struct file *filp)
idkp->openers++;
if (drive->removable && idkp->openers == 1) {
ide_task_t args;
memset(&args, 0, sizeof(ide_task_t));
args.tf.command = WIN_DOORLOCK;
args.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE;
check_disk_change(inode->i_bdev);
/*
* Ignore the return code from door_lock,
* since the open() has already succeeded,
* and the door_lock is irrelevant at this point.
*/
if (drive->doorlocking && ide_no_data_taskfile(drive, &args))
if (drive->doorlocking && idedisk_set_doorlock(drive, 1))
drive->doorlocking = 0;
}
return 0;
@ -1015,11 +1022,7 @@ static int idedisk_release(struct inode *inode, struct file *filp)
ide_cacheflush_p(drive);
if (drive->removable && idkp->openers == 1) {
ide_task_t args;
memset(&args, 0, sizeof(ide_task_t));
args.tf.command = WIN_DOORUNLOCK;
args.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE;
if (drive->doorlocking && ide_no_data_taskfile(drive, &args))
if (drive->doorlocking && idedisk_set_doorlock(drive, 0))
drive->doorlocking = 0;
}