linux-kernel - [PATCH] pata_pdc2027x : make pdc2027x_*

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Date:   Sat, 25 Nov 2017 16:47:35 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     b.zolnierkie@...sung.com, tj@...nel.org,
        sergei.shtylyov@...entembedded.com
Cc:     linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: [PATCH] pata_pdc2027x : make pdc2027x_*_timing structures const

Make these pdc2027x_*_timing structures const as it is never modified.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 drivers/ata/pata_pdc2027x.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c
index d1e8b63..141bf81 100644
--- a/drivers/ata/pata_pdc2027x.c
+++ b/drivers/ata/pata_pdc2027x.c
@@ -82,7 +82,7 @@ static int pdc2027x_set_mode(struct ata_link *link, struct ata_device **r_failed
  * is issued to the device. However, if the controller clock is 133MHz,
  * the following tables must be used.
  */
-static struct pdc2027x_pio_timing {
+static const struct pdc2027x_pio_timing {
 	u8 value0, value1, value2;
 } pdc2027x_pio_timing_tbl[] = {
 	{ 0xfb, 0x2b, 0xac }, /* PIO mode 0 */
@@ -92,7 +92,7 @@ static struct pdc2027x_pio_timing {
 	{ 0x23, 0x09, 0x25 }, /* PIO mode 4, IORDY on, Prefetch off */
 };
 
-static struct pdc2027x_mdma_timing {
+static const struct pdc2027x_mdma_timing {
 	u8 value0, value1;
 } pdc2027x_mdma_timing_tbl[] = {
 	{ 0xdf, 0x5f }, /* MDMA mode 0 */
@@ -100,7 +100,7 @@ static struct pdc2027x_mdma_timing {
 	{ 0x69, 0x25 }, /* MDMA mode 2 */
 };
 
-static struct pdc2027x_udma_timing {
+static const struct pdc2027x_udma_timing {
 	u8 value0, value1, value2;
 } pdc2027x_udma_timing_tbl[] = {
 	{ 0x4a, 0x0f, 0xd5 }, /* UDMA mode 0 */
-- 
2.7.4