tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
+3
-3
+3
-3
drivers/mfd/wm831x-otp.c
+3
-3
drivers/mfd/wm831x-otp.c
···
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return 0;
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}
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-
static ssize_t wm831x_unique_id_show(struct device *dev,
42
-
struct device_attribute *attr, char *buf)
41
+
static ssize_t unique_id_show(struct device *dev,
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+
struct device_attribute *attr, char *buf)
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{
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struct wm831x *wm831x = dev_get_drvdata(dev);
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int rval;
···
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return sprintf(buf, "%*phN\n", WM831X_UNIQUE_ID_LEN, id);
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}
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-
static DEVICE_ATTR(unique_id, 0444, wm831x_unique_id_show, NULL);
55
+
static DEVICE_ATTR_RO(unique_id);
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int wm831x_otp_init(struct wm831x *wm831x)
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{