From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Date: Fri, 2 Dec 2011 15:39:53 +0000 (+0300)
Subject: libata-sff: use ATAPI_{COD|IO}
X-Git-Tag: accepted/tizen/common/20141203.182822~5543^2~10
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=002ae08448e241ea8e304008f9cb4bc836f9ff16;p=platform%2Fkernel%2Flinux-arm64.git

libata-sff: use ATAPI_{COD|IO}

atapi_pio_bytes() uses bare numbers for the ATAPI interrupt reason bits despite
these are #define'd in <linux/ata.h>.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---

diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 4cadfa2..9691dd0 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -929,11 +929,11 @@ static void atapi_pio_bytes(struct ata_queued_cmd *qc)
 	bytes = (bc_hi << 8) | bc_lo;
 
 	/* shall be cleared to zero, indicating xfer of data */
-	if (unlikely(ireason & (1 << 0)))
+	if (unlikely(ireason & ATAPI_COD))
 		goto atapi_check;
 
 	/* make sure transfer direction matches expected */
-	i_write = ((ireason & (1 << 1)) == 0) ? 1 : 0;
+	i_write = ((ireason & ATAPI_IO) == 0) ? 1 : 0;
 	if (unlikely(do_write != i_write))
 		goto atapi_check;