Commit 981ce06a authored by Zhen Lei's avatar Zhen Lei Committed by Lee Jones
Browse files

mfd: wm831x: Use DEVICE_ATTR_RO macro 



Use DEVICE_ATTR_RO macro helper instead of plain DEVICE_ATTR, which makes
the code a bit shorter and easier to read.

Signed-off-by: default avatarZhen Lei <thunder.leizhen@huawei.com>
Acked-by: default avatarCharles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent 3da286aa

drivers/mfd/wm831x-otp.c

+3 −3
Original line number Diff line number Diff line
@@ -38,7 +38,7 @@ static int wm831x_unique_id_read(struct wm831x *wm831x, char *id) 
	return 0;

}



static ssize_t wm831x_unique_id_show(struct device *dev,

static ssize_t unique_id_show(struct device *dev,

			      struct device_attribute *attr, char *buf)

{

	struct wm831x *wm831x = dev_get_drvdata(dev);
@@ -52,7 +52,7 @@ static ssize_t wm831x_unique_id_show(struct device *dev, 
	return sprintf(buf, "%*phN\n", WM831X_UNIQUE_ID_LEN, id);

}



static DEVICE_ATTR(unique_id, 0444, wm831x_unique_id_show, NULL);

static DEVICE_ATTR_RO(unique_id);



int wm831x_otp_init(struct wm831x *wm831x)

{