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Diffstat (limited to 'drivers/ide')
-rw-r--r--drivers/ide/ide-cd.c21
1 files changed, 7 insertions, 14 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 6c7dd8fd863..1c1ba43c263 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -572,24 +572,17 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive)
ide_debug_log(IDE_DBG_PC, "Call %s\n", __func__);
- if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) {
- /*
- * Here we should have been called after receiving an interrupt
- * from the device. DRQ should how be set.
- */
-
- /* check for errors */
- if (cdrom_decode_status(drive, ATA_DRQ, NULL))
- return ide_stopped;
+ /* we must wait for DRQ to get set */
+ if (ide_wait_stat(&startstop, drive, ATA_DRQ, ATA_BUSY, WAIT_READY)) {
+ printk(KERN_ERR "%s: timeout while waiting for DRQ to assert\n",
+ drive->name);
+ return startstop;
+ }
+ if (drive->atapi_flags & IDE_AFLAG_DRQ_INTERRUPT) {
/* ok, next interrupt will be DMA interrupt */
if (drive->dma)
drive->waiting_for_dma = 1;
- } else {
- /* otherwise, we must wait for DRQ to get set */
- if (ide_wait_stat(&startstop, drive, ATA_DRQ,
- ATA_BUSY, WAIT_READY))
- return startstop;
}
/* arm the interrupt handler */