Messages in this thread Patch in this message | | | From | Paul Cercueil <> | Subject | [PATCH] usb: musb: Disable pullup in gadget setup | Date | Thu, 4 Apr 2019 11:37:43 +0200 |
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The pullup may be already enabled before the driver is initialized. It has to be disabled at init time, as we cannot guarantee that a gadget driver will be bound to the UDC.
Signed-off-by: Paul Cercueil <paul@crapouillou.net> --- drivers/usb/musb/musb_gadget.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index ffe462a657b1..094dc59c834c 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -1794,6 +1794,7 @@ int musb_gadget_setup(struct musb *musb) musb->is_active = 0; musb_platform_try_idle(musb, 0); + musb_pullup(musb, 0); status = usb_add_gadget_udc(musb->controller, &musb->g); if (status) -- 2.11.0
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