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. > > Regards, > -Bin. > >> >> -- >> balbi -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html