usb: gadget: udc-core: wire up sysfs files

This was somehow forgotten.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 4 insertions, 5 deletions

diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c
index 2ddb7c8b5b3d..05ba47214361 100644
--- a/drivers/usb/gadget/udc-core.c
+++ b/drivers/usb/gadget/udc-core.c
@@ -44,7 +44,6 @@ struct usb_udc {
 };
 
 static struct class *udc_class;
-static struct device_type udc_device_type;
 static LIST_HEAD(udc_list);
 static DEFINE_MUTEX(udc_lock);
 
@@ -144,6 +143,7 @@ static void usb_udc_release(struct device *dev)
         kfree(udc);
 }
 
+static const struct attribute_group *usb_udc_attr_groups[];
 /**
  * usb_add_gadget_udc - adds a new gadget to the udc class driver list
  * @parent: the parent device to this udc. Usually the controller
@@ -164,6 +164,7 @@ int usb_add_gadget_udc(struct device *parent, struct usb_gadget *gadget)
         device_initialize(&udc->dev);
         udc->dev.release = usb_udc_release;
         udc->dev.class = udc_class;
+        udc->dev.groups = usb_udc_attr_groups;
         udc->dev.parent = parent;
         ret = dev_set_name(&udc->dev, "%s", kobject_name(&parent->kobj));
         if (ret)
@@ -373,7 +374,7 @@ static DEVICE_ATTR(soft_connect, S_IWUSR, NULL, usb_udc_softconn_store);
 static ssize_t usb_udc_speed_show(struct device *dev,
                 struct device_attribute *attr, char *buf)
 {
-        struct usb_udc          *udc = dev_get_drvdata(dev);
+        struct usb_udc          *udc = container_of(dev, struct usb_udc, dev);
         struct usb_gadget       *gadget = udc->gadget;
 
         switch (gadget->speed) {
@@ -398,7 +399,7 @@ static DEVICE_ATTR(speed, S_IRUSR, usb_udc_speed_show, NULL);
 ssize_t usb_udc_##name##_show(struct device *dev,               \
                 struct device_attribute *attr, char *buf)       \
 {                                                               \
-        struct usb_udc          *udc = dev_get_drvdata(dev);    \
+        struct usb_udc          *udc = container_of(dev, struct usb_udc, dev); \
         struct usb_gadget       *gadget = udc->gadget;          \
                                                                 \
         return snprintf(buf, PAGE_SIZE, "%d\n", gadget->name);  \
@@ -468,8 +469,6 @@ static int __init usb_udc_init(void)
         }
 
         udc_class->dev_uevent = usb_udc_uevent;
-        udc_device_type.groups = usb_udc_attr_groups;
-
         return 0;
 }
 subsys_initcall(usb_udc_init);