From: Albert Lee <albertcc@tw.ibm.com>
Date: Sat, 25 Mar 2006 10:18:15 +0000 (+0800)
Subject: [PATCH] libata-dev: wait idle after reading the last data block
X-Git-Tag: v2.6.18-rc1~1079^2~98^2~13^2~17
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=52a3220599647ba429fcbca2388ec35b850fa72f;p=profile%2Fivi%2Fkernel-x86-ivi.git

[PATCH] libata-dev: wait idle after reading the last data block

Some CD-ROM drives are slow to clear DRQ, after the last data block
is read by PIO. Use ata_wait_idle() after reading the last data block.

Signed-off-by: Albert Lee <albertcc@tw.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
---

diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 59cb129..5fdc314 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -3710,7 +3710,7 @@ fsm_start:
 			    (!(qc->tf.flags & ATA_TFLAG_WRITE))) {
 				/* all data read */
 				ata_altstatus(ap);
-				status = ata_chk_status(ap);
+				status = ata_wait_idle(ap);
 				goto fsm_start;
 			}
 		}