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authorAlbert Lee <albertcc@tw.ibm.com>2007-06-07 16:01:17 +0800
committerJeff Garzik <jeff@garzik.org>2007-06-09 23:08:12 -0400
commit2c3d2a46f1ccf591850b20f4fdde12bcf2bf3dfd (patch)
tree148a2cd32ae40185bb547cb96cd17bcd920b8ab0 /drivers/ata
parentfa4453c4c94a61bbefe470b16ddbb6218481c6dc (diff)
libata passthru: update cached device paramters
INIT_DEV_PARAMS and SET_MULTI_MODE change the device parameters cached by libata. Re-read IDENTIFY DEVICE info and update the cached device paramters when seeing these commands. Signed-off-by: Albert Lee <albertcc@tw.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/libata-scsi.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 884f52f43f8..c228df298bd 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1363,12 +1363,22 @@ static void ata_scsi_qc_complete(struct ata_queued_cmd *qc)
* schedule EH_REVALIDATE operation to update the IDENTIFY DEVICE
* cache
*/
- if (ap->ops->error_handler &&
- !need_sense && (qc->tf.command == ATA_CMD_SET_FEATURES) &&
- ((qc->tf.feature == SETFEATURES_WC_ON) ||
- (qc->tf.feature == SETFEATURES_WC_OFF))) {
- ap->eh_info.action |= ATA_EH_REVALIDATE;
- ata_port_schedule_eh(ap);
+ if (ap->ops->error_handler && !need_sense) {
+ switch (qc->tf.command) {
+ case ATA_CMD_SET_FEATURES:
+ if ((qc->tf.feature == SETFEATURES_WC_ON) ||
+ (qc->tf.feature == SETFEATURES_WC_OFF)) {
+ ap->eh_info.action |= ATA_EH_REVALIDATE;
+ ata_port_schedule_eh(ap);
+ }
+ break;
+
+ case ATA_CMD_INIT_DEV_PARAMS: /* CHS translation changed */
+ case ATA_CMD_SET_MULTI: /* multi_count changed */
+ ap->eh_info.action |= ATA_EH_REVALIDATE;
+ ata_port_schedule_eh(ap);
+ break;
+ }
}
/* For ATA pass thru (SAT) commands, generate a sense block if