ide: add ide_do_start_stop() helper

[linux-2.6-omap-h63xx.git] / drivers / ide / ide-atapi.c

diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index c647a40c0d338da707c7ac4d7e9641b356746031..58411591edf390a9da31a859e15be37e9c37df56 100644 (file)
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -162,6 +162,21 @@ int ide_queue_pc_tail(ide_drive_t *drive, struct gendisk *disk,
 }
 EXPORT_SYMBOL_GPL(ide_queue_pc_tail);
 
+int ide_do_start_stop(ide_drive_t *drive, struct gendisk *disk, int start)
+{
+       struct ide_atapi_pc pc;
+
+       ide_init_pc(&pc);
+       pc.c[0] = START_STOP;
+       pc.c[4] = start;
+
+       if (drive->media == ide_tape)
+               pc.flags |= PC_FLAG_WAIT_FOR_DSC;
+
+       return ide_queue_pc_tail(drive, disk, &pc);
+}
+EXPORT_SYMBOL_GPL(ide_do_start_stop);
+
 int ide_set_media_lock(ide_drive_t *drive, struct gendisk *disk, int on)
 {
        struct ide_atapi_pc pc;