Messages in this thread |  | | | Date | Thu, 05 Nov 2009 16:06:15 +0100 | | From | Valentin Longchamp <> | | Subject | Re: [PATCH] [RTC] Add Freescale MC13783 RTC driver |
Valentin Longchamp wrote: > Hi Uwe, > > Uwe Kleine-König wrote: >> Hello, >> >> On Sat, Oct 24, 2009 at 10:35:42AM +0200, Uwe Kleine-König wrote: >>> This driver provides support for the RTC part integrated into the >>> Freescale MC13783 PMIC and bases on patch created earlier by Sascha >>> Hauer. >>> >>> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> >>> Signed-off-by: Uwe Kleine-König <u.kleine-könig@pengutronix.de> >>> Cc: Valentin Longchamp <valentin.longchamp@epfl.ch> >>> Cc: Paul Gortmaker <p_gortmaker@yahoo.com> >>> Cc: Alessandro Zummo <a.zummo@towertech.it> >>> Cc: rtc-linux@googlegroups.com >>> --- >>> Hello, >>> >>> this patch depends on >>> >>> mfd/mc13783: near complete rewrite >>> >>> sent earlier on lkml[1]. Compared to the earlier version of rtc support >>> on mc13783 as sent by Sascha, this driver got reset detection and >>> therefore depends on the patch above. >>> >>> A tree runnable on Phytec's PCM038 is available in my git tree >>> >>> git://git.pengutronix.de/git/ukl/linux-2.6.git mc13783 >>> >>> . (Maybe I will rewrite these commits, so please expect it might change >>> in a non-fast-forward manner.) >> Valentin, could you already test this? Any comments by the others? >> > > I have tested your patches (taken your mc13783 branch today, and merged > it into my patches rebased on 2.6.32-rc6). > > Your mfd/mc13783 rewrite seems to work for me (but since there is no > real usage for now, I don't use ADC yet and regulator don't do a lot). > But it runs fine on my hardware. > > However, I get the hctosys: unable to read the hardware clock error > message at boot (from drivers/rtc/hctosys.c:62). Is it normal ? > > Furthermore, the date and time are saved during system off, but the time > is not updated: if I shut down the system during 10 minutes, my time > will get a 10 minute delay. Is this a normal behavior with you current > implementation or is there something we have wrong in our design/code > (we have battery for the mc13783) ? I will have a further look at this > later, didn't have time now. >
This was due to a small hardware problem on our platform. Your RTC driver now works well on mx31moboard. Please consider my ackey-by:
Ackey-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
Val
-- Valentin Longchamp, PhD Student, EPFL-STI-LSRO1 valentin.longchamp@epfl.ch, Phone: +41216937827 http://people.epfl.ch/valentin.longchamp MEA3485, Station 9, CH-1015 Lausanne -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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