On Wed, Sep 03, 2014 at 09:18:42PM -0700, Doug Anderson wrote:
> Chris,
>
> On Wed, Sep 3, 2014 at 6:12 PM, Chris Zhong <z...@rock-chips.com> wrote:
> > Adding RTC driver for supporting RTC device present inside RK808 PMIC.
> >
> > Signed-off-by: Chris Zhong <z...@rock-chips.com>
> > Signed-off-by: Zhang Qing <zhangq...@rock-chips.com>
> >
> > Tested-by: Heiko Stuebner <he...@sntech.de>
>
> Reviewed-by: Doug Anderson <diand...@chromium.org>
> Tested-by: Doug Anderson <diand...@chromium.org>
>
>
> > + rk808_rtc->irq = platform_get_irq(pdev, 0);
> > + if (rk808_rtc->irq < 0) {
> > + dev_err(&pdev->dev, "Wake up is not possible as irq = %d\n",
> > + rk808_rtc->irq);
>
> Technically you shouldn't print the error if it's -EPROBE_DEFER.
> ...but I think that's really unlikely here (I can't imagine any real
> cases where the interrupt parent for RK808 would actually be deferred)
> so I won't push it.
Doug, platform_get_irq() simply iterates through IRQ resources assigned to the
device, which are populated at platform device creation time. The only error it
returns ever is -ENXIO, so we are fine here.
Thanks.
--
Dmitry
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