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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-07-24 15:05:39 -0700
committerThierry Reding <thierry.reding@gmail.com>2013-07-29 09:08:33 +0200
commit9da01759636f519967c0922ae12bd9fff739db9a (patch)
tree38077c9ca7bb8a54aae6fd8d8fa9d7945bd1102c /drivers/pwm
parent5ae90d8e467e625e447000cb4335c4db973b1095 (diff)
pwm: convert class code to use dev_groups
The dev_attrs field of struct class is going away soon, dev_groups should be used instead. This converts the PWM class code to use the correct field. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm')
-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 8ca5de316d3..8c20332d482 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)