The usage of simple_strtoul() or strict_strtoul() is not preferred. Thus,
kstrtoul should be used.
This patch also fixes checkpatch error as follows:
ERROR: space required after that ',' (ctx:VxV)
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
}
static ssize_t backlight_show_power(struct device *dev,
}
static ssize_t backlight_show_power(struct device *dev,
- struct device_attribute *attr,char *buf)
+ struct device_attribute *attr, char *buf)
{
struct backlight_device *bd = to_backlight_device(dev);
{
struct backlight_device *bd = to_backlight_device(dev);
struct backlight_device *bd = to_backlight_device(dev);
unsigned long power;
struct backlight_device *bd = to_backlight_device(dev);
unsigned long power;
- rc = strict_strtoul(buf, 0, &power);
+ rc = kstrtoul(buf, 0, &power);
struct backlight_device *bd = to_backlight_device(dev);
unsigned long brightness;
struct backlight_device *bd = to_backlight_device(dev);
unsigned long brightness;
- rc = strict_strtoul(buf, 0, &brightness);
+ rc = kstrtoul(buf, 0, &brightness);
struct device_attribute *attr, const char *buf, size_t count)
{
int rc = -ENXIO;
struct device_attribute *attr, const char *buf, size_t count)
{
int rc = -ENXIO;
struct lcd_device *ld = to_lcd_device(dev);
struct lcd_device *ld = to_lcd_device(dev);
- int power = simple_strtoul(buf, &endp, 0);
- size_t size = endp - buf;
- if (isspace(*endp))
- size++;
- if (size != count)
- return -EINVAL;
+ rc = kstrtoul(buf, 0, &power);
+ if (rc)
+ return rc;
mutex_lock(&ld->ops_lock);
if (ld->ops && ld->ops->set_power) {
mutex_lock(&ld->ops_lock);
if (ld->ops && ld->ops->set_power) {
- pr_debug("lcd: set power to %d\n", power);
+ pr_debug("lcd: set power to %lu\n", power);
ld->ops->set_power(ld, power);
rc = count;
}
ld->ops->set_power(ld, power);
rc = count;
}
struct device_attribute *attr, const char *buf, size_t count)
{
int rc = -ENXIO;
struct device_attribute *attr, const char *buf, size_t count)
{
int rc = -ENXIO;
struct lcd_device *ld = to_lcd_device(dev);
struct lcd_device *ld = to_lcd_device(dev);
- int contrast = simple_strtoul(buf, &endp, 0);
- size_t size = endp - buf;
+ unsigned long contrast;
- if (isspace(*endp))
- size++;
- if (size != count)
- return -EINVAL;
+ rc = kstrtoul(buf, 0, &contrast);
+ if (rc)
+ return rc;
mutex_lock(&ld->ops_lock);
if (ld->ops && ld->ops->set_contrast) {
mutex_lock(&ld->ops_lock);
if (ld->ops && ld->ops->set_contrast) {
- pr_debug("lcd: set contrast to %d\n", contrast);
+ pr_debug("lcd: set contrast to %lu\n", contrast);
ld->ops->set_contrast(ld, contrast);
rc = count;
}
ld->ops->set_contrast(ld, contrast);
rc = count;
}