staging: most: usb: use macro ATTRIBUTE_GROUPS

This patch makes use of the macro ATTRIBUTE_GROUPS to create the groups
instead of defining them manually.

Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/1589534465-7423-7-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/most/usb/usb.c b/drivers/staging/most/usb/usb.c
index 8995ed0..56b75e4 100644 (file)
--- a/drivers/staging/most/usb/usb.c
+++ b/drivers/staging/most/usb/usb.c
@@ -905,14 +905,7 @@ static struct attribute *dci_attrs[] = {
        NULL,
 };
 
-static struct attribute_group dci_attr_group = {
-       .attrs = dci_attrs,
-};
-
-static const struct attribute_group *dci_attr_groups[] = {
-       &dci_attr_group,
-       NULL,
-};
+ATTRIBUTE_GROUPS(dci);
 
 static void release_dci(struct device *dev)
 {
@@ -1065,7 +1058,7 @@ hdm_probe(struct usb_interface *interface, const struct usb_device_id *id)
 
                mdev->dci->dev.init_name = "dci";
                mdev->dci->dev.parent = get_device(mdev->iface.dev);
-               mdev->dci->dev.groups = dci_attr_groups;
+               mdev->dci->dev.groups = dci_groups;
                mdev->dci->dev.release = release_dci;
                if (device_register(&mdev->dci->dev)) {
                        mutex_unlock(&mdev->io_mutex);