Re: [PATCH 1/5] usb: dwc3: fix DEPSTARTCFG for non-EP0 EPs

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Hi,

On Wed, Sep 28, 2011 at 11:12:55AM -0700, Paul Zimmerman wrote:
> > > @@ -1161,6 +1165,8 @@ static int dwc3_gadget_start(struct usb_gadget *g,
> > >  	reg |= DWC3_DCFG_SUPERSPEED;
> > >  	dwc3_writel(dwc->regs, DWC3_DCFG, reg);
> > >
> > > +	dwc->config_start = false;
> > 
> > not needed.
> > 
> > > @@ -1592,6 +1598,7 @@ static void dwc3_gadget_disconnect_interrupt(struct dwc3 *dwc)
> > >
> > >  	dwc3_stop_active_transfers(dwc);
> > >  	dwc3_disconnect_gadget(dwc);
> > > +	dwc->config_start = false;
> > 
> > not needed.
> > 
> > > @@ -1644,6 +1651,7 @@ static void dwc3_gadget_reset_interrupt(struct dwc3 *dwc)
> > >
> > >  	dwc3_stop_active_transfers(dwc);
> > >  	dwc3_clear_stall_all_ep(dwc);
> > > +	dwc->config_start = false;
> > 
> > not needed.
> 
> With the possible exception of this last one, I'm pretty sure these are all
> needed. Can you explain why you think they are not?

you must go through a set_config() in order to get that
dwc3_gadget_start_config() called. Then you always set it to false in
the beginning of our set_config() handler. Sounds a bit unnecessary to
me to set it to false in so many places.

-- 
balbi

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