[PATCH 38/45] kstrtox: convert drivers/rtc/

[Alexey Dobriyan]

Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
---
 drivers/rtc/rtc-pcf2123.c |   23 +++++++++++------------
 1 files changed, 11 insertions(+), 12 deletions(-)

diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c
index 71bab0e..9e08179 100644
--- a/drivers/rtc/rtc-pcf2123.c
+++ b/drivers/rtc/rtc-pcf2123.c
@@ -87,13 +87,14 @@ static ssize_t pcf2123_show(struct device *dev, struct device_attribute *attr,
 	struct spi_device *spi = to_spi_device(dev);
 	struct pcf2123_sysfs_reg *r;
 	u8 txbuf[1], rxbuf[1];
-	unsigned long reg;
+	u8 reg;
 	int ret;
 
 	r = container_of(attr, struct pcf2123_sysfs_reg, attr);
 
-	if (strict_strtoul(r->name, 16, &reg))
-		return -EINVAL;
+	ret = kstrtou8(r->name, 16, &reg);
+	if (ret < 0)
+		return ret;
 
 	txbuf[0] = PCF2123_READ | reg;
 	ret = spi_write_then_read(spi, txbuf, 1, rxbuf, 1);
@@ -108,19 +109,17 @@ static ssize_t pcf2123_store(struct device *dev, struct device_attribute *attr,
 	struct spi_device *spi = to_spi_device(dev);
 	struct pcf2123_sysfs_reg *r;
 	u8 txbuf[2];
-	unsigned long reg;
-	unsigned long val;
-
 	int ret;
 
 	r = container_of(attr, struct pcf2123_sysfs_reg, attr);
 
-	if (strict_strtoul(r->name, 16, &reg)
-		|| strict_strtoul(buffer, 10, &val))
-		return -EINVAL;
-
-	txbuf[0] = PCF2123_WRITE | reg;
-	txbuf[1] = val;
+	ret = kstrtou8(r->name, 16, &txbuf[0]);
+	if (ret < 0)
+		return ret;
+	txbuf[0] |= PCF2123_WRITE;
+	ret = kstrtou8(buffer, 10, &txbuf[1]);
+	if (ret < 0)
+		return ret;
 	ret = spi_write(spi, txbuf, sizeof(txbuf));
 	if (ret < 0)
 		return -EIO;
-- 
1.7.2.2

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