libata: move ata_altstatus() to pio data xfer functions

Move ata_altstatus() out from ata_hsm_move() to the pio data xfer
functions like ata_pio_sectors() and atapi_pio_bytes() where it makes
more sense.

Signed-off-by: Albert Lee <albertcc@tw.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 02425e4..fc06793 100644 (file)
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4614,6 +4614,8 @@ static void ata_pio_sectors(struct ata_queued_cmd *qc)
                        ata_pio_sector(qc);
        } else
                ata_pio_sector(qc);
+
+       ata_altstatus(qc->ap); /* flush */
 }
 
 /**
@@ -4788,6 +4790,7 @@ static void atapi_pio_bytes(struct ata_queued_cmd *qc)
        VPRINTK("ata%u: xfering %d bytes\n", ap->print_id, bytes);
 
        __atapi_pio_bytes(qc, bytes);
+       ata_altstatus(ap); /* flush */
 
        return;
 
@@ -4959,7 +4962,6 @@ fsm_start:
                         */
                        ap->hsm_task_state = HSM_ST;
                        ata_pio_sectors(qc);
-                       ata_altstatus(ap); /* flush */
                } else
                        /* send CDB */
                        atapi_send_cdb(ap, qc);
@@ -5040,7 +5042,6 @@ fsm_start:
 
                                if (!(qc->tf.flags & ATA_TFLAG_WRITE)) {
                                        ata_pio_sectors(qc);
-                                       ata_altstatus(ap);
                                        status = ata_wait_idle(ap);
                                }
 
@@ -5060,13 +5061,11 @@ fsm_start:
                        if (ap->hsm_task_state == HSM_ST_LAST &&
                            (!(qc->tf.flags & ATA_TFLAG_WRITE))) {
                                /* all data read */
-                               ata_altstatus(ap);
                                status = ata_wait_idle(ap);
                                goto fsm_start;
                        }
                }
 
-               ata_altstatus(ap); /* flush */
                poll_next = 1;
                break;