sata_nv: give up hardreset on nf2
Kernel bz#12176 reports that nf2 hardreset simply doesn't work. Give
up. Argh...
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Robert Hancock <hancockr@shaw.ca>
Reported-by: Saro <saro_v@hotmail.it>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
index 444af04..55a8eed 100644
--- a/drivers/ata/sata_nv.c
+++ b/drivers/ata/sata_nv.c
@@ -421,19 +421,21 @@
.hardreset = ATA_OP_NULL,
};
-/* OSDL bz3352 reports that nf2/3 controllers can't determine device
- * signature reliably. Also, the following thread reports detection
- * failure on cold boot with the standard debouncing timing.
+/* nf2 is ripe with hardreset related problems.
+ *
+ * kernel bz#3352 reports nf2/3 controllers can't determine device
+ * signature reliably. The following thread reports detection failure
+ * on cold boot with the standard debouncing timing.
*
* http://thread.gmane.org/gmane.linux.ide/34098
*
- * Debounce with hotplug timing and request follow-up SRST.
+ * And bz#12176 reports that hardreset simply doesn't work on nf2.
+ * Give up on it and just don't do hardreset.
*/
static struct ata_port_operations nv_nf2_ops = {
- .inherits = &nv_common_ops,
+ .inherits = &nv_generic_ops,
.freeze = nv_nf2_freeze,
.thaw = nv_nf2_thaw,
- .hardreset = nv_noclassify_hardreset,
};
/* For initial probing after boot and hot plugging, hardreset mostly