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authorAlexandre Belloni <alexandre.belloni@bootlin.com>2026-10-29 14:23:32 +0100
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2026-10-30 23:23:31 +0100
commitedd541b0fff4e38f019f92939d97e5a604f80a23 (patch)
tree03b5e6a37c885289636a468c0110b1aa79ba4df3
parent67b3eadfb80dee4dfd56ca624f33e2ac7ed5987a (diff)
rtc: ds1685: use sysfs_emit() instead of sprintf()
Use sysfs_emit() instead of sprintf() in sysfs show callbacks (ds1685_rtc_sysfs_battery_show, ds1685_rtc_sysfs_auxbatt_show and ds1685_rtc_sysfs_serial_show) to conform to the recommended sysfs attribute formatting guidelines in Documentation/filesystems/sysfs.rst. Acked-by: Joshua Kinard <linux@kumba.dev> Link: https://patch.msgid.link/20261029132339.925021-9-alexandre.belloni@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
-rw-r--r--drivers/rtc/rtc-ds1685.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/rtc/rtc-ds1685.c b/drivers/rtc/rtc-ds1685.c
index 220a8b15d15f..3d0f491d0e88 100644
--- a/drivers/rtc/rtc-ds1685.c
+++ b/drivers/rtc/rtc-ds1685.c
@@ -988,8 +988,8 @@ ds1685_rtc_sysfs_battery_show(struct device *dev,
ctrld = rtc->read(rtc, RTC_CTRL_D);
- return sprintf(buf, "%s\n",
- (ctrld & RTC_CTRL_D_VRT) ? "ok" : "not ok or N/A");
+ return sysfs_emit(buf, "%s\n",
+ (ctrld & RTC_CTRL_D_VRT) ? "ok" : "not ok or N/A");
}
static DEVICE_ATTR(battery, S_IRUGO, ds1685_rtc_sysfs_battery_show, NULL);
@@ -1010,8 +1010,8 @@ ds1685_rtc_sysfs_auxbatt_show(struct device *dev,
ctrl4a = rtc->read(rtc, RTC_EXT_CTRL_4A);
ds1685_rtc_switch_to_bank0(rtc);
- return sprintf(buf, "%s\n",
- (ctrl4a & RTC_CTRL_4A_VRT2) ? "ok" : "not ok or N/A");
+ return sysfs_emit(buf, "%s\n",
+ (ctrl4a & RTC_CTRL_4A_VRT2) ? "ok" : "not ok or N/A");
}
static DEVICE_ATTR(auxbatt, S_IRUGO, ds1685_rtc_sysfs_auxbatt_show, NULL);
@@ -1032,7 +1032,7 @@ ds1685_rtc_sysfs_serial_show(struct device *dev,
ds1685_rtc_get_ssn(rtc, ssn);
ds1685_rtc_switch_to_bank0(rtc);
- return sprintf(buf, "%8phC\n", ssn);
+ return sysfs_emit(buf, "%8phC\n", ssn);
}
static DEVICE_ATTR(serial, S_IRUGO, ds1685_rtc_sysfs_serial_show, NULL);