AcoSail/kernel_optimize_test
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ata/sata_fsl: remove unneeded on-stack copy of FIS

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Remove unneeded on-stack copy of FIS
in sata_fsl_cache_taskfile_from_d2h_fis().

Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Jeff Garzik 2007-10-31 19:27:59 +08:00
parent 2a52e8d4ea
commit 25ce945a8e
1 changed files with 1 additions and 3 deletions
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4
drivers/ata/sata_fsl.c
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@ -561,7 +561,6 @@ static inline void sata_fsl_cache_taskfile_from_d2h_fis(struct ata_queued_cmd
struct ata_port *ap) struct ata_port *ap)
{ {
struct sata_fsl_port_priv *pp = ap->private_data; struct sata_fsl_port_priv *pp = ap->private_data;
u8 fis[6 * 4];
struct sata_fsl_host_priv *host_priv = ap->host->private_data; struct sata_fsl_host_priv *host_priv = ap->host->private_data;
void __iomem *hcr_base = host_priv->hcr_base; void __iomem *hcr_base = host_priv->hcr_base;
unsigned int tag = sata_fsl_tag(qc->tag, hcr_base); unsigned int tag = sata_fsl_tag(qc->tag, hcr_base);
@ -569,8 +568,7 @@ static inline void sata_fsl_cache_taskfile_from_d2h_fis(struct ata_queued_cmd
cd = pp->cmdentry + tag; cd = pp->cmdentry + tag;
memcpy(fis, &cd->sfis, 6 * 4); /* should we use memcpy_from_io() */ ata_tf_from_fis(cd->sfis, &pp->tf);
ata_tf_from_fis(fis, &pp->tf);
} }
static u8 sata_fsl_check_status(struct ata_port *ap) static u8 sata_fsl_check_status(struct ata_port *ap)