[PATCH v5 04/11] usb: otg: nop: add support for multiple tranceiver

Felipe Balbi balbi at ti.com
Thu Jul 26 18:24:02 EST 2012


Hi,

On Thu, Jul 26, 2012 at 08:22:35AM +0000, Gupta, Ajay Kumar wrote:
> > > @@ -408,7 +408,7 @@ static int am35x_musb_exit(struct musb *musb)
> > >  		data->set_phy_power(0);
> > >
> > >  	usb_put_phy(musb->xceiv);
> > > -	usb_nop_xceiv_unregister();
> > > +	usb_nop_xceiv_unregister(musb->xceiv);
> > 
> > Dude, this is so wrong... You don't know if there are other users of the
> > nop xceiv in the system. If there are other users which already have
> > claimed id 0, you will try to create duplicated directories under sysfs.
> > MUSB's ID has nothing to do with NOP's ID.
> 
> I could not understood this comment as I am not using id. Please clarify.

sorry, my bad. I put the comment on the wrong hunk:

> > > @@ -364,7 +364,7 @@ static int am35x_musb_init(struct musb *musb)
> > >  	if (!rev)
> > >  		return -ENODEV;
> > >
> > > -	usb_nop_xceiv_register();
> > > +	usb_nop_xceiv_register(musb->id);
> > >  	musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2);
> > >  	if (IS_ERR_OR_NULL(musb->xceiv))
> > >  		return -ENODEV;

here. You pass musb->id to become NOP's ID.

-- 
balbi
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