During prereset, -ENODEV return from ata_wait_ready() is not an error.
This causes unnecessary bug message on controllers which uses 0xff to
indicate empty port. Fix it.
Signed-off-by: Tejun Heo <htejun@xxxxxxxxx>
Cc: Paul Mundt <lethal@xxxxxxxxxxxx>
---
This one is for 2.6.22 too. Thanks.
libata-core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index a6de57e..79f2175 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3368,7 +3368,7 @@ int ata_std_prereset(struct ata_port *ap
*/
if (!(ap->flags & ATA_FLAG_SKIP_D2H_BSY) && !ata_port_offline(ap)) {
rc = ata_wait_ready(ap, deadline);
- if (rc) {
+ if (rc && rc != -ENODEV) {
ata_port_printk(ap, KERN_WARNING, "device not ready "
"(errno=%d), forcing hardreset\n", rc);
ehc->i.action |= ATA_EH_HARDRESET;
-
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