On Mon, Oct 14, 2013 at 09:00:33PM -0500, Bin Liu wrote: > On Mon, Oct 14, 2013 at 8:56 PM, Bin Liu <binmlist@xxxxxxxxx> wrote: > > On Mon, Oct 14, 2013 at 5:49 PM, Felipe Balbi <balbi@xxxxxx> wrote: > >> On Mon, Oct 14, 2013 at 03:50:37PM +0200, Markus Pargmann wrote: > >>> When the device is connected to a host without a gadget driver, > >>> otg->gadget is NULL. > >>> > >>> Signed-off-by: Markus Pargmann <mpa@xxxxxxxxxxxxxx> > >>> --- > >>> drivers/usb/musb/musb_core.c | 3 ++- > >>> 1 file changed, 2 insertions(+), 1 deletion(-) > >>> > >>> diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c > >>> index 18e877f..baa4f6a 100644 > >>> --- a/drivers/usb/musb/musb_core.c > >>> +++ b/drivers/usb/musb/musb_core.c > >>> @@ -654,7 +654,8 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, > >>> break; > >>> case OTG_STATE_B_PERIPHERAL: > >> > >> why would we be in B peripheral if we're host only ? Bug seems to be > >> else where. > > > > We are not host, we are in device mode. > > > > But I would think the proper fix should be not setting > > DEVCTL[SOFTCONN] until a gadget driver is loaded. Then the host will > > not see the device which does not have a gadget driver. > > Sorry, I meant POWER[SOFTCONN] bit. I agree with you and my bad that I misread commit log. -- balbi
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