From: Maxime Ripard <maxime.ripard@free-electrons.com>
Date: Tue, 4 Aug 2015 15:04:10 +0000 (+0200)
Subject: musb: sunxi: Force EP0 on re-enable
X-Git-Tag: v2015.10-rc2~416
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=1feda63ed988b2c21f758d27e9332f4ab46b1ce9;p=u-boot

musb: sunxi: Force EP0 on re-enable

Currently, the second use of a gadget will fail, while the first one works.

Forcing the EP0 at every enable fix this issue.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
---

diff --git a/drivers/usb/musb-new/sunxi.c b/drivers/usb/musb-new/sunxi.c
index 85ac28dfd9..16a264a9dd 100644
--- a/drivers/usb/musb-new/sunxi.c
+++ b/drivers/usb/musb-new/sunxi.c
@@ -200,6 +200,9 @@ static int sunxi_musb_enable(struct musb *musb)
 
 	pr_debug("%s():\n", __func__);
 
+	musb_ep_select(musb->mregs, 0);
+	musb_writeb(musb->mregs, MUSB_FADDR, 0);
+
 	if (enabled)
 		return 0;