From 1feda63ed988b2c21f758d27e9332f4ab46b1ce9 Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime.ripard@free-electrons.com>
Date: Tue, 4 Aug 2015 17:04:10 +0200
Subject: [PATCH] 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>
---
drivers/usb/musb-new/sunxi.c | 3 +++
1 file changed, 3 insertions(+)
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;
--
2.39.5