[PATCH] libata: clear ATA_DFLAG_PIO before setting it

ata_dev_set_mode() is now responsible for managing ATA_DFLAG_PIO.
Clear it before setting it.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 985283cbcbdf2c4832d8909bc931f961c3024ae5..007d1888804526441d87e7e76720a62bc3c766cc 100644 (file)
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -1949,6 +1949,7 @@ static int ata_dev_set_mode(struct ata_port *ap, struct ata_device *dev)
        unsigned int err_mask;
        int rc;
 
+       dev->flags &= ~ATA_DFLAG_PIO;
        if (dev->xfer_shift == ATA_SHIFT_PIO)
                dev->flags |= ATA_DFLAG_PIO;