From 981ce06ab8dd642aff90ce91726da1c5e73eb25b Mon Sep 17 00:00:00 2001 From: Zhen Lei Date: Wed, 2 Jun 2021 19:43:31 +0800 Subject: 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: Zhen Lei Acked-by: Charles Keepax Signed-off-by: Lee Jones --- drivers/mfd/wm831x-otp.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/mfd') diff --git a/drivers/mfd/wm831x-otp.c b/drivers/mfd/wm831x-otp.c index afe59d52dd74..25f5d9fe33a1 100644 --- a/drivers/mfd/wm831x-otp.c +++ b/drivers/mfd/wm831x-otp.c @@ -38,8 +38,8 @@ static int wm831x_unique_id_read(struct wm831x *wm831x, char *id) return 0; } -static ssize_t wm831x_unique_id_show(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t unique_id_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct wm831x *wm831x = dev_get_drvdata(dev); int rval; @@ -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) { -- cgit v1.2.3