sata_mv remove redundant edma init code

Remove unnecessary edma init code from port_start.
This sequence gets done later on the first I/O to the port.

Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index b822b8a..82632e7 100644 (file)
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -1144,8 +1144,6 @@ static int mv_port_start(struct ata_port *ap)
        struct device *dev = ap->host->dev;
        struct mv_host_priv *hpriv = ap->host->private_data;
        struct mv_port_priv *pp;
-       void __iomem *port_mmio = mv_ap_base(ap);
-       unsigned long flags;
        int tag;
 
        pp = devm_kzalloc(dev, sizeof(*pp), GFP_KERNEL);
@@ -1178,18 +1176,6 @@ static int mv_port_start(struct ata_port *ap)
                        pp->sg_tbl_dma[tag] = pp->sg_tbl_dma[0];
                }
        }
-
-       spin_lock_irqsave(&ap->host->lock, flags);
-
-       mv_edma_cfg(ap, 0);
-       mv_set_edma_ptrs(port_mmio, hpriv, pp);
-
-       spin_unlock_irqrestore(&ap->host->lock, flags);
-
-       /* Don't turn on EDMA here...do it before DMA commands only.  Else
-        * we'll be unable to send non-data, PIO, etc due to restricted access
-        * to shadow regs.
-        */
        return 0;
 
 out_port_free_dma_mem: