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authorMark Lord <liml@rtr.ca>2008-04-16 21:00:17 +0200
committerJeff Garzik <jgarzik@redhat.com>2008-04-17 21:56:21 +0200
commit8a74f1a4680614dfb77fc5dfd37d0ece13b2b357 (patch)
treefe934145b3be41b7e9c61e26ad6d09db6d961f74 /drivers/ata/sata_mv.c
parentsata_mv add basic port multiplier support (diff)
downloadlinux-8a74f1a4680614dfb77fc5dfd37d0ece13b2b357.tar.xz
linux-8a74f1a4680614dfb77fc5dfd37d0ece13b2b357.zip
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>
Diffstat (limited to 'drivers/ata/sata_mv.c')
-rw-r--r--drivers/ata/sata_mv.c14
1 files changed, 0 insertions, 14 deletions
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index b822b8a40c65..82632e7e34f0 100644
--- 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: