linux-kernel - [PATCH 3/3] ata: constify ata_port

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Date:   Thu, 24 Aug 2017 15:20:01 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     tj@...nel.org, b.zolnierkie@...sung.com, linus.walleij@...aro.org
Cc:     linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: [PATCH 3/3] ata: constify ata_port_info

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

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

diff --git a/drivers/ata/pdc_adma.c b/drivers/ata/pdc_adma.c
index f1e873a..77c21cb 100644
--- a/drivers/ata/pdc_adma.c
+++ b/drivers/ata/pdc_adma.c
@@ -162,7 +162,7 @@ static int adma_ata_init_one(struct pci_dev *pdev,
 	.port_stop		= adma_port_stop,
 };
 
-static struct ata_port_info adma_port_info[] = {
+static const struct ata_port_info adma_port_info[] = {
 	/* board_1841_idx */
 	{
 		.flags		= ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_POLLING,
-- 
1.9.1