diff options
| author | ye xingchen <ye.xingchen@zte.com.cn> | 2022-12-05 11:34:45 +0800 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2022-12-15 23:34:31 +0100 |
| commit | 0feebdeb3acc0375cd817385d637d27a8a6dca97 (patch) | |
| tree | 766651b55321869eb6496413706af21e44d8bd4c | |
| parent | bb0a1799bbc498053011729dcac0d9430e7d750a (diff) | |
rtc: ds1307: use sysfs_emit() to instead of scnprintf()
Follow the advice of the Documentation/filesystems/sysfs.rst and show()
should only use sysfs_emit() or sysfs_emit_at() when formatting the
value to be returned to user space.
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Link: https://lore.kernel.org/r/202212051134455911470@zte.com.cn
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
| -rw-r--r-- | drivers/rtc/rtc-ds1307.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c index 7c2276cf5514..def9b7f9d957 100644 --- a/drivers/rtc/rtc-ds1307.c +++ b/drivers/rtc/rtc-ds1307.c @@ -1219,8 +1219,7 @@ static ssize_t frequency_test_show(struct device *dev, regmap_read(ds1307->regmap, M41TXX_REG_CONTROL, &ctrl_reg); - return scnprintf(buf, PAGE_SIZE, (ctrl_reg & M41TXX_BIT_FT) ? "on\n" : - "off\n"); + return sysfs_emit(buf, (ctrl_reg & M41TXX_BIT_FT) ? "on\n" : "off\n"); } static DEVICE_ATTR_RW(frequency_test); |