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path: root/drivers/rtc/rtc-pcf2123.c
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Diffstat (limited to 'drivers/rtc/rtc-pcf2123.c')
-rw-r--r--drivers/rtc/rtc-pcf2123.c25
1 files changed, 15 insertions, 10 deletions
diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c
index 796a6c5067dd..1725b5090e33 100644
--- a/drivers/rtc/rtc-pcf2123.c
+++ b/drivers/rtc/rtc-pcf2123.c
@@ -18,11 +18,11 @@
* should look something like:
*
* static struct spi_board_info ek_spi_devices[] = {
- * ...
- * {
- * .modalias = "rtc-pcf2123",
- * .chip_select = 1,
- * .controller_data = (void *)AT91_PIN_PA10,
+ * ...
+ * {
+ * .modalias = "rtc-pcf2123",
+ * .chip_select = 1,
+ * .controller_data = (void *)AT91_PIN_PA10,
* .max_speed_hz = 1000 * 1000,
* .mode = SPI_CS_HIGH,
* .bus_num = 0,
@@ -94,8 +94,9 @@ static ssize_t pcf2123_show(struct device *dev, struct device_attribute *attr,
r = container_of(attr, struct pcf2123_sysfs_reg, attr);
- if (strict_strtoul(r->name, 16, &reg))
- return -EINVAL;
+ ret = kstrtoul(r->name, 16, &reg);
+ if (ret)
+ return ret;
txbuf[0] = PCF2123_READ | reg;
ret = spi_write_then_read(spi, txbuf, 1, rxbuf, 1);
@@ -117,9 +118,13 @@ static ssize_t pcf2123_store(struct device *dev, struct device_attribute *attr,
r = container_of(attr, struct pcf2123_sysfs_reg, attr);
- if (strict_strtoul(r->name, 16, &reg)
- || strict_strtoul(buffer, 10, &val))
- return -EINVAL;
+ ret = kstrtoul(r->name, 16, &reg);
+ if (ret)
+ return ret;
+
+ ret = kstrtoul(buffer, 10, &val);
+ if (ret)
+ return ret;
txbuf[0] = PCF2123_WRITE | reg;
txbuf[1] = val;