RE: [PATCH 1/4 v4] GPIO: gpio-dwapb: Enable platform driver binding to MFD driver

["Chen, Alvin" <alvin.chen@xxxxxxxxx>]

> > +		if (pp->idx == 0 &&
> > +		    of_property_read_bool(port_np, "interrupt-controller")) {
> > +			pp->irq = irq_of_parse_and_map(port_np, 0);
> > +			if (!pp->irq) {
> > +				dev_warn(dev, "no irq for bank %s\n",
> > +					 port_np->full_name);
> > +			}
> > +		} else {
> > +			pp->irq	= 0;
> > +		}
> 
> The else clause is not needed since pp->irq == 0 already, right?
> 
Yes, while call kcalloc, the memory is set to '0'. I will improve it.
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