linux-kernel - [PATCH 5/8] nfc: pn544: constify i2c_device

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Message-Id: <1503335040-27101-6-git-send-email-arvind.yadav.cs@gmail.com>
Date:   Mon, 21 Aug 2017 22:33:57 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     sameo@...ux.intel.com, clement.perrochaud@...innov.com,
        charles.gorand@...innov.com, r.baldyga@...sung.com,
        k.opasiak@...sung.com, davem@...emloft.net
Cc:     linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org
Subject: [PATCH 5/8] nfc: pn544: constify i2c_device_id

i2c_device_id are not supposed to change at runtime. All functions
working with i2c_device_id provided by <linux/i2c.h> work with
const i2c_device_id. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 drivers/nfc/pn544/i2c.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nfc/pn544/i2c.c b/drivers/nfc/pn544/i2c.c
index 4b14740..d0207f8 100644
--- a/drivers/nfc/pn544/i2c.c
+++ b/drivers/nfc/pn544/i2c.c
@@ -54,7 +54,7 @@
 #define PN544_HCI_I2C_LLC_MAX_SIZE	(PN544_HCI_I2C_LLC_LEN_CRC + 1 + \
 					 PN544_HCI_I2C_LLC_MAX_PAYLOAD)
 
-static struct i2c_device_id pn544_hci_i2c_id_table[] = {
+static const struct i2c_device_id pn544_hci_i2c_id_table[] = {
 	{"pn544", 0},
 	{}
 };
-- 
2.7.4