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pwm: sysfs: Convert to use ATTRIBUTE_GROUPS macro

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Use new ATTRIBUTE_GROUPS macro to reduce the number of lines of code.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Axel Lin 2013-12-04 18:29:53 +08:00 committed by Thierry Reding
parent b52fa7bc5d
commit 6ca142ad0d
1 changed files with 2 additions and 10 deletions
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12
drivers/pwm/sysfs.c
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@ -169,15 +169,7 @@ static struct attribute *pwm_attrs[] = {
&dev_attr_polarity.attr,
NULL
};
static const struct attribute_group pwm_attr_group = {
.attrs = pwm_attrs,
};
static const struct attribute_group *pwm_attr_groups[] = {
&pwm_attr_group,
NULL,
};
ATTRIBUTE_GROUPS(pwm);
static void pwm_export_release(struct device *child)
{
@ -205,7 +197,7 @@ static int pwm_export_child(struct device *parent, struct pwm_device *pwm)
export->child.release = pwm_export_release;
export->child.parent = parent;
export->child.devt = MKDEV(0, 0);
export->child.groups = pwm_attr_groups;
export->child.groups = pwm_groups;
dev_set_name(&export->child, "pwm%u", pwm->hwpwm);
ret = device_register(&export->child);