usb: r8a66597-udc: Add processing when USB was removed.
When USB was removed, this patch prepares for the next insertion.
Signed-off-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index 157640f..20d43da 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -42,6 +42,7 @@
"ep8", "ep9",
};
+static void init_controller(struct r8a66597 *r8a66597);
static void disable_controller(struct r8a66597 *r8a66597);
static void irq_ep0_write(struct r8a66597_ep *ep, struct r8a66597_request *req);
static void irq_packet_write(struct r8a66597_ep *ep,
@@ -104,6 +105,8 @@
spin_lock(&r8a66597->lock);
disable_controller(r8a66597);
+ init_controller(r8a66597);
+ r8a66597_bset(r8a66597, VBSE, INTENB0);
INIT_LIST_HEAD(&r8a66597->ep[0].queue);
}