>
> This is to fix the problem of HNP you reported after apply my HNP polling
> patchset, I verified with i.MX6DL and i.MX6SX SDB and it works ok(with each
> one as A or B device).
>
> ---
> drivers/usb/chipidea/otg_fsm.c | 4 ----
> 1 file changed, 4 deletions(-)
>
> diff --git a/drivers/usb/chipidea/otg_fsm.c b/drivers/usb/chipidea/otg_fsm.c
> index 82b1e23..789dd76 100644
> --- a/drivers/usb/chipidea/otg_fsm.c
> +++ b/drivers/usb/chipidea/otg_fsm.c
> @@ -531,7 +531,6 @@ static int ci_otg_start_host(struct otg_fsm *fsm, int on)
> {
> struct ci_hdrc *ci = container_of(fsm, struct ci_hdrc, fsm);
>
> - mutex_unlock(&fsm->lock);
> if (on) {
> ci_role_stop(ci);
> ci_role_start(ci, CI_ROLE_HOST);
> @@ -540,7 +539,6 @@ static int ci_otg_start_host(struct otg_fsm *fsm, int on)
> hw_device_reset(ci);
> ci_role_start(ci, CI_ROLE_GADGET);
> }
> - mutex_lock(&fsm->lock);
> return 0;
> }
>
What is intention you added before?
Peter
> @@ -548,12 +546,10 @@ static int ci_otg_start_gadget(struct otg_fsm *fsm, int
> on) {
> struct ci_hdrc *ci = container_of(fsm, struct ci_hdrc, fsm);
>
> - mutex_unlock(&fsm->lock);
> if (on)
> usb_gadget_vbus_connect(&ci->gadget);
> else
> usb_gadget_vbus_disconnect(&ci->gadget);
> - mutex_lock(&fsm->lock);
>
> return 0;
> }
> --
> 1.9.1
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