From: Heiko Schocher <hs@denx.de>
Date: Tue, 4 Jun 2013 09:21:32 +0000 (+0200)
Subject: usb, composite: after unregister gadget driver set composite to NULL
X-Git-Tag: v2013.07-rc1~3^2
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=c67b0e42a59c7ef15495bfde006398abaf2f562f;p=u-boot

usb, composite: after unregister gadget driver set composite to NULL

Without this, second usb_composite_register() call fails always
with -EINVAL.

Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Lukasz Majewski <l.majewski@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Marek Vasut <marex@denx.de>
---

diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 2c5600ed52..f30778a163 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -1098,4 +1098,5 @@ void usb_composite_unregister(struct usb_composite_driver *driver)
 	if (composite != driver)
 		return;
 	usb_gadget_unregister_driver(&composite_driver);
+	composite = NULL;
 }