[U-Boot] [PATCH 11/12] musb: sunxi: Force EP0 on re-enable
Paul Kocialkowski
contact at paulk.fr
Wed Jul 22 10:45:34 CEST 2015
From: Maxime Ripard <maxime.ripard at 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 at 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
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