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[PATCH] libata-dev: wait idle after reading the last data block
author
Albert Lee
<albertcc@tw.ibm.com>
Sat, 25 Mar 2006 10:18:15 +0000
(18:18 +0800)
committer
Jeff Garzik
<jeff@garzik.org>
Wed, 29 Mar 2006 22:22:36 +0000
(17:22 -0500)
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>
drivers/scsi/libata-core.c
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diff --git
a/drivers/scsi/libata-core.c
b/drivers/scsi/libata-core.c
index
59cb129
..
5fdc314
100644
(file)
--- 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;
}
}