mfd: aat2870-core: Stop using obsolte simple_strtoul()
Soothes checkpatch warning:
WARNING: simple_strtoul is obsolete, use kstrtoul instead
#306: FILE: drivers/mfd/aat2870-core.c:306:
+ addr = simple_strtoul(start, &start, 16);
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/drivers/mfd/aat2870-core.c b/drivers/mfd/aat2870-core.c
index 14d9542..4e6e03d 100644
--- a/drivers/mfd/aat2870-core.c
+++ b/drivers/mfd/aat2870-core.c
@@ -303,7 +303,10 @@
while (*start == ' ')
start++;
- addr = simple_strtoul(start, &start, 16);
+ ret = kstrtoul(start, 16, &addr);
+ if (ret)
+ return ret;
+
if (addr >= AAT2870_REG_NUM) {
dev_err(aat2870->dev, "Invalid address, 0x%lx\n", addr);
return -EINVAL;