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path: root/drivers/pwm/sysfs.c
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Diffstat (limited to 'drivers/pwm/sysfs.c')
-rw-r--r--drivers/pwm/sysfs.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/pwm/sysfs.c b/drivers/pwm/sysfs.c
index 8ca5de316d3b..8c20332d4825 100644
--- a/drivers/pwm/sysfs.c
+++ b/drivers/pwm/sysfs.c
@@ -268,6 +268,7 @@ static ssize_t pwm_export_store(struct device *parent,
return ret ? : len;
}
+static DEVICE_ATTR(export, 0200, NULL, pwm_export_store);
static ssize_t pwm_unexport_store(struct device *parent,
struct device_attribute *attr,
@@ -288,27 +289,29 @@ static ssize_t pwm_unexport_store(struct device *parent,
return ret ? : len;
}
+static DEVICE_ATTR(unexport, 0200, NULL, pwm_unexport_store);
-static ssize_t pwm_npwm_show(struct device *parent,
- struct device_attribute *attr,
- char *buf)
+static ssize_t npwm_show(struct device *parent, struct device_attribute *attr,
+ char *buf)
{
const struct pwm_chip *chip = dev_get_drvdata(parent);
return sprintf(buf, "%u\n", chip->npwm);
}
+static DEVICE_ATTR_RO(npwm);
-static struct device_attribute pwm_chip_attrs[] = {
- __ATTR(export, 0200, NULL, pwm_export_store),
- __ATTR(unexport, 0200, NULL, pwm_unexport_store),
- __ATTR(npwm, 0444, pwm_npwm_show, NULL),
- __ATTR_NULL,
+static struct attribute *pwm_chip_attrs[] = {
+ &dev_attr_export.attr,
+ &dev_attr_unexport.attr,
+ &dev_attr_npwm.attr,
+ NULL,
};
+ATTRIBUTE_GROUPS(pwm_chip);
static struct class pwm_class = {
.name = "pwm",
.owner = THIS_MODULE,
- .dev_attrs = pwm_chip_attrs,
+ .dev_groups = pwm_chip_groups,
};
static int pwmchip_sysfs_match(struct device *parent, const void *data)