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Date: Mon, 7 Jun 2010 14:20:25 +0800 From: Wan ZongShun <mcuos.com@...il.com> To: Baruch Siach <baruch@...s.co.il> Cc: rtc-linux@...glegroups.com, linux-kernel@...r.kernel.org, Alessandro Zummo <a.zummo@...ertech.it> Subject: Re: [rtc-linux] [PATCH] rtc: driver for the DryIce block found in i.MX25 chips 2010/6/7 Baruch Siach <baruch@...s.co.il>: > Hi Wan, > > On Sat, Jun 05, 2010 at 11:08:46PM +0800, Wan ZongShun wrote: >> Some minor comments below: > > One question though. > >> > +/* >> > + * read the seconds portion of the current time from the dryice time counter >> > + */ >> > +static int dryice_rtc_read_time(struct device *dev, struct rtc_time *tm) >> > +{ >> > + struct imxdi_dev *imxdi = dev_get_drvdata(dev); >> > + unsigned long now; >> > + >> > + now = __raw_readl(imxdi->ioaddr + DTCMR); >> > + rtc_time_to_tm(now, tm); >> > + >> >> When we want to return a tm value, call rtc_valid_tm() to check the tm >> that is a good habit. > > Isn't rtc_time_to_tm() guaranteed to produce a valid tm value? > Yes, it can. >> >> > + return 0; >> > +} > > baruch > > -- > ~. .~ Tk Open Systems > =}------------------------------------------------ooO--U--Ooo------------{= > - baruch@...s.co.il - tel: +972.2.679.5364, http://www.tkos.co.il - > -- *linux-arm-kernel mailing list mail addr:linux-arm-kernel@...ts.infradead.org you can subscribe by: http://lists.infradead.org/mailman/listinfo/linux-arm-kernel * linux-arm-NUC900 mailing list mail addr:NUC900@...glegroups.com main web: https://groups.google.com/group/NUC900 you can subscribe it by sending me mail: mcuos.com@...il.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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