[PATCH 2/4] rtc: em3027: constify i2c_device_id

From: Arvind Yadav
Date: Sat Aug 19 2017 - 15:08:59 EST


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@xxxxxxxxx>
---
drivers/rtc/rtc-em3027.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/rtc/rtc-em3027.c b/drivers/rtc/rtc-em3027.c
index 4f4930a..b0ef8cf 100644
--- a/drivers/rtc/rtc-em3027.c
+++ b/drivers/rtc/rtc-em3027.c
@@ -132,7 +132,7 @@ static int em3027_probe(struct i2c_client *client,
return 0;
}

-static struct i2c_device_id em3027_id[] = {
+static const struct i2c_device_id em3027_id[] = {
{ "em3027", 0 },
{ }
};
--
2.7.4