Hi,
> > This patch is needs to be modified so that we service the real SRP
> interrupt
> > From B-device.
> >
> > As per current musb driver when we connect the mini-A plug to A-device
> and
> > Mini-B plug to B-device then DEVCTL on either side would show the
> interface
> > To be in B-device. Thus we can't reply on D7 bit of DEVCTL at this
> moment.
> >
> > Moreover Mentor document also says that D7 bit of DEVCTL is valid only
> > when a SESSION is in progress.
>
> How about this:
>
> diff --git a/drivers/usb/musb/musb_core.c
> b/drivers/usb/musb/musb_core.c
> index c9f9024..4bb8812 100644
> --- a/drivers/usb/musb/musb_core.c
> +++ b/drivers/usb/musb/musb_core.c
> @@ -552,7 +552,8 @@ static irqreturn_t musb_stage0_irq(struct musb
> *musb, u8 int_usb,
> if (int_usb & MUSB_INTR_SESSREQ) {
> void __iomem *mbase = musb->mregs;
>
> - if (devctl & MUSB_DEVCTL_BDEVICE) {
> + if ((devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS &&
> + (devctl & MUSB_DEVCTL_BDEVICE)) {
Looks fine to me.
-Ajay
> DBG(3, "SessReq while on B state\n");
> return IRQ_HANDLED;
> }
>
> --
> heikki
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