libata: adjust libata to ignore errors after spinup

Adjust libata to ignore errors after spinup

This patch is to ignore errors from the spinup attempt if the drive is
in the "standby id" state.

Signed-off-by: Ryan Power <rpower@sysreset.com>
Acked-by: Mark Lord <liml@rtr.ca>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Tejun Heo <htejun@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 60e78bef469fed2f49423deea956a16b60a0448b..99d4fbffb0dfd574acd2f280c960895548254791 100644 (file)
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -1723,7 +1723,7 @@ int ata_dev_read_id(struct ata_device *dev, unsigned int *p_class,
                tf.protocol = ATA_PROT_NODATA;
                tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE;
                err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0);
-               if (err_mask) {
+               if (err_mask && id[2] != 0x738c) {
                        rc = -EIO;
                        reason = "SPINUP failed";
                        goto err_out;