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

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Message-ID: <4656BEB6164FC34F8171C6538F1A595B2E9925AB@SHSMSX101.ccr.corp.intel.com>
Date:	Wed, 17 Sep 2014 07:09:42 +0000
From:	"Chen, Alvin" <alvin.chen@...el.com>
To:	atull <atull@...nsource.altera.com>
CC:	Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"Ong, Boon Leong" <boon.leong.ong@...el.com>,
	"Kweh, Hock Leong" <hock.leong.kweh@...el.com>,
	Darren Hart <dvhart@...ux.intel.com>,
	Sebastian Andrzej Siewior <sebastian@...akpoint.cc>,
	"Westerberg, Mika" <mika.westerberg@...el.com>,
	"Shevchenko, Andriy" <andriy.shevchenko@...el.com>,
	Arnd Bergmann <arnd@...db.de>
Subject: RE: [PATCH 1/4 v4] GPIO: gpio-dwapb: Enable platform driver binding
 to MFD driver

> > +		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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