redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

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>
hifive-unleashed-5.1
Greg Kroah-Hartman 2013-07-24 15:05:39 -07:00 committed by Thierry Reding
parent 5ae90d8e46
commit 9da0175963
1 changed files with 12 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/pwm/sysfs.c
View File

@ -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)