Re: [PATCH] RTC: add rtc-ds1553 and rtc-ds1742 driver

From: Atsushi Nemoto
Date: Fri Jun 23 2006 - 05:27:14 EST


On Fri, 23 Jun 2006 00:16:22 +0200, Alessandro Zummo <alessandro.zummo@xxxxxxxxxxxx> wrote:
> > Add RTC drivers for the Dallas DS1553 and DS1742 RTC chip.
> >
> > Signed-off-by: Atsushi Nemoto <anemo@xxxxxxxxxxxxx>
>
> please split this into two patches.

OK, I'll send two patches soon.

> on which systems will we likely find those twos? no extra
> depends?

MIPS, PPC, ARM, etc. I think no extra depends needed.

> > +static int ds1553_rtc_ioctl(struct device *dev, unsigned int cmd,
> > + unsigned long arg)
> > +{
> > + struct platform_device *pdev = to_platform_device(dev);
> > + struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
> > +
> > + if (pdata->irq < 0)
> > + return -ENOIOCTLCMD;
>
> inappropriate -Exxx . maybe -ENODEV?.

No, it is intentional. If irq is not available, I want to fall back
into emulation in rtc-dev.c.

Thanks for your comments.
---
Atsushi Nemoto
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