diff options
| author |   Zhen Lei <thunder.leizhen@huawei.com> | 2021-06-02 19:43:31 +0800 |
|---|---|---|
| committer |   Lee Jones <lee.jones@linaro.org> | 2021-06-15 13:01:45 +0100 |
| commit | 981ce06ab8dd642aff90ce91726da1c5e73eb25b (patch) | |
| tree | 6f0ea59028ca4b71764cc38e30a4aa86f0b3a564 /drivers/mfd | |
| parent | mfd: wm831x: Use DEFINE_RES_IRQ_NAMED() and DEFINE_RES_IRQ() to simplify code (diff) | |
| download | linux-dev-981ce06ab8dd642aff90ce91726da1c5e73eb25b.tar.xz linux-dev-981ce06ab8dd642aff90ce91726da1c5e73eb25b.zip | |
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 <thunder.leizhen@huawei.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/wm831x-otp.c | 6 |
1 files changed, 3 insertions, 3 deletions
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) { |