aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/ide/ide-disk.c
diff options
context:
space:
mode:
authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-01-26 14:12:59 -0500
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-01-26 14:12:59 -0500
commit29ec683f019608ca0cb6cf69011426ecb5daa69e (patch)
treec87135ac016aa0a27c844dfde2c0e0202e4f0669 /drivers/ide/ide-disk.c
parent7b971df185807ceb358471e16ce8754ccfcc7de9 (diff)
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>
Diffstat (limited to 'drivers/ide/ide-disk.c')
-rw-r--r--drivers/ide/ide-disk.c23
1 files changed, 13 insertions, 10 deletions
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index d8fdd865dea9..364dc57a5e1c 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -975,6 +975,17 @@ static ide_driver_t idedisk_driver = {
975#endif 975#endif
976}; 976};
977 977
978static int idedisk_set_doorlock(ide_drive_t *drive, int on)
979{
980 ide_task_t task;
981
982 memset(&task, 0, sizeof(task));
983 task.tf.command = on ? WIN_DOORLOCK : WIN_DOORUNLOCK;
984 task.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE;
985
986 return ide_no_data_taskfile(drive, &task);
987}
988
978static int idedisk_open(struct inode *inode, struct file *filp) 989static int idedisk_open(struct inode *inode, struct file *filp)
979{ 990{
980 struct gendisk *disk = inode->i_bdev->bd_disk; 991 struct gendisk *disk = inode->i_bdev->bd_disk;
@@ -989,17 +1000,13 @@ static int idedisk_open(struct inode *inode, struct file *filp)
989 idkp->openers++; 1000 idkp->openers++;
990 1001
991 if (drive->removable && idkp->openers == 1) { 1002 if (drive->removable && idkp->openers == 1) {
992 ide_task_t args;
993 memset(&args, 0, sizeof(ide_task_t));
994 args.tf.command = WIN_DOORLOCK;
995 args.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE;
996 check_disk_change(inode->i_bdev); 1003 check_disk_change(inode->i_bdev);
997 /* 1004 /*
998 * Ignore the return code from door_lock, 1005 * Ignore the return code from door_lock,
999 * since the open() has already succeeded, 1006 * since the open() has already succeeded,
1000 * and the door_lock is irrelevant at this point. 1007 * and the door_lock is irrelevant at this point.
1001 */ 1008 */
1002 if (drive->doorlocking && ide_no_data_taskfile(drive, &args)) 1009 if (drive->doorlocking && idedisk_set_doorlock(drive, 1))
1003 drive->doorlocking = 0; 1010 drive->doorlocking = 0;
1004 } 1011 }
1005 return 0; 1012 return 0;
@@ -1015,11 +1022,7 @@ static int idedisk_release(struct inode *inode, struct file *filp)
1015 ide_cacheflush_p(drive); 1022 ide_cacheflush_p(drive);
1016 1023
1017 if (drive->removable && idkp->openers == 1) { 1024 if (drive->removable && idkp->openers == 1) {
1018 ide_task_t args; 1025 if (drive->doorlocking && idedisk_set_doorlock(drive, 0))
1019 memset(&args, 0, sizeof(ide_task_t));
1020 args.tf.command = WIN_DOORUNLOCK;
1021 args.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE;
1022 if (drive->doorlocking && ide_no_data_taskfile(drive, &args))
1023 drive->doorlocking = 0; 1026 drive->doorlocking = 0;
1024 } 1027 }
1025 1028