[PATCH] sata_sil24: kill 10ms sleep in softreset

Nothing, not the datasheet nor the errats, says this delay is
necessary and with the previous PORT_CS_INIT change, we know the
controller is in good state.  Kill 10ms sleep.

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

diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c
index bfbd630..be4817e 100644 (file)
--- a/drivers/scsi/sata_sil24.c
+++ b/drivers/scsi/sata_sil24.c
@@ -480,12 +480,7 @@ static int sil24_softreset(struct ata_port *ap, unsigned int *class)
                goto err;
        }
 
-       /*
-        * XXX: Not sure whether the following sleep is needed or not.
-        * The original driver had it.  So....
-        */
-       msleep(10);
-
+       /* do SRST */
        prb->ctrl = PRB_CTRL_SRST;
        prb->fis[1] = 0; /* no PM yet */