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

[Paul Kocialkowski]

From: Maxime Ripard maxime.rip...@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.rip...@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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Re: [U-Boot] [PATCH 11/12] musb: sunxi: Force EP0 on re-enable

[Hans de Goede]

Hi,

On 22-07-15 10:45, Paul Kocialkowski wrote:

From: Maxime Ripard maxime.rip...@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.rip...@free-electrons.com


Acked-by: Hans de Goede hdego...@redhat.com

Regards,

Hans


---
  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;



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