[U-Boot] [PATCH 11/12] musb: sunxi: Force EP0 on re-enable

Paul Kocialkowski
2015-07-22T08:45:34Z

From: Maxime Ripard <maxime.ripard@free-electrons.com>

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 052e065..4effaaa 100644
--- a/drivers/usb/musb-new/sunxi.c
+++ b/drivers/usb/musb-new/sunxi.c
@@ -203,6 +203,9 @@ static void 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;

--
1.9.1