linux-kernel - Re: [PATCH] mfd: db8500-prcmu: Provide sane error path values

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Message-ID: <20141103165035.GB12011@x1>
Date:	Mon, 3 Nov 2014 16:50:35 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	Fabio Estevam <festevam@...il.com>
Cc:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH] mfd: db8500-prcmu: Provide sane error path values

On Mon, 03 Nov 2014, Fabio Estevam wrote:

> On Mon, Nov 3, 2014 at 2:15 PM, Lee Jones <lee.jones@...aro.org> wrote:
> 
> >         /* Clean up the mailbox interrupts after pre-kernel code. */
> > @@ -3179,15 +3179,14 @@ static int db8500_prcmu_probe(struct platform_device *pdev)
> >         irq = platform_get_irq(pdev, 0);
> >         if (irq <= 0) {
> 
> Shouldn't this be if (irq < 0) then?

Perhaps Linus can answer that.

Linus,

  Is 0 a valid IRQ on the u8500 platform or not?

> >                 dev_err(&pdev->dev, "no prcmu irq provided\n");
> > -               return -ENOENT;
> > +               return irq;

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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