[PATCH] PowerCap: Convert class code to use dev_groups

[Thierry Reding]

The newly added power capping framework uses the obsolete .dev_attrs
field of struct class. However this field will be removed in 3.13, so
convert the code to use the .dev_groups field instead.

Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
Compile-tested only.
---
 drivers/powercap/powercap_sys.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/powercap/powercap_sys.c b/drivers/powercap/powercap_sys.c
index c22fa4c..21814f9 100644
--- a/drivers/powercap/powercap_sys.c
+++ b/drivers/powercap/powercap_sys.c
@@ -472,16 +472,18 @@ static ssize_t enabled_store(struct device *dev,
 	return -ENOSYS;
 }
 
-static struct device_attribute powercap_def_attrs[] = {
-		__ATTR(enabled, S_IWUSR | S_IRUGO, enabled_show,
-							enabled_store),
-		__ATTR_NULL
+static DEVICE_ATTR_RW(enabled);
+
+static struct attribute *powercap_attrs[] = {
+	&dev_attr_enabled.attr,
+	NULL,
 };
+ATTRIBUTE_GROUPS(powercap);
 
 static struct class powercap_class = {
 	.name = "powercap",
 	.dev_release = powercap_release,
-	.dev_attrs = powercap_def_attrs,
+	.dev_groups = powercap_groups,
 };
 
 struct powercap_zone *powercap_register_zone(
-- 
1.8.4

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