linux-kernel - [RFT 02/13] s390: dasd_eckd: constify ccw_device

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Date:   Tue, 15 Aug 2017 16:05:33 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     schwidefsky@...ibm.com, heiko.carstens@...ibm.com,
        sth@...ux.vnet.ibm.com, hoeppner@...ux.vnet.ibm.com,
        jwi@...ux.vnet.ibm.com, ubraun@...ux.vnet.ibm.com,
        maier@...ux.vnet.ibm.com, cohuck@...hat.com,
        pasic@...ux.vnet.ibm.com
Cc:     linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org
Subject: [RFT 02/13] s390: dasd_eckd: constify ccw_device_id

ccw_device_id are not supposed to change at runtime. All functions
working with ccw_device_id provided by <asm/ccwdev.h> work with
const ccw_device_id. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 drivers/s390/block/dasd_eckd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index c3e5ad6..40e7078 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -70,7 +70,7 @@ static struct dasd_discipline dasd_eckd_discipline;
 
 /* The ccw bus type uses this table to find devices that it sends to
  * dasd_eckd_probe */
-static struct ccw_device_id dasd_eckd_ids[] = {
+static const struct ccw_device_id dasd_eckd_ids[] = {
 	{ CCW_DEVICE_DEVTYPE (0x3990, 0, 0x3390, 0), .driver_info = 0x1},
 	{ CCW_DEVICE_DEVTYPE (0x2105, 0, 0x3390, 0), .driver_info = 0x2},
 	{ CCW_DEVICE_DEVTYPE (0x3880, 0, 0x3380, 0), .driver_info = 0x3},
-- 
2.7.4