From: Jeff Garzik Date: Wed, 31 Oct 2007 11:27:59 +0000 (+0800) Subject: ata/sata_fsl: remove unneeded on-stack copy of FIS X-Git-Tag: v2.6.24-rc2~48^2~16 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=25ce945a8e775d1f494447969e6a8fffcebcc352;p=linux-2.6 ata/sata_fsl: remove unneeded on-stack copy of FIS Remove unneeded on-stack copy of FIS in sata_fsl_cache_taskfile_from_d2h_fis(). Signed-off-by: Jeff Garzik Signed-off-by: Li Yang Signed-off-by: Jeff Garzik --- diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c index e3bf9546fd..c47f2d4bf8 100644 --- a/drivers/ata/sata_fsl.c +++ b/drivers/ata/sata_fsl.c @@ -561,7 +561,6 @@ static inline void sata_fsl_cache_taskfile_from_d2h_fis(struct ata_queued_cmd struct ata_port *ap) { struct sata_fsl_port_priv *pp = ap->private_data; - u8 fis[6 * 4]; struct sata_fsl_host_priv *host_priv = ap->host->private_data; void __iomem *hcr_base = host_priv->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; - memcpy(fis, &cd->sfis, 6 * 4); /* should we use memcpy_from_io() */ - ata_tf_from_fis(fis, &pp->tf); + ata_tf_from_fis(cd->sfis, &pp->tf); } static u8 sata_fsl_check_status(struct ata_port *ap)