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Date: Wed, 17 Sep 2014 10:39:39 +0200 From: Javier Martinez Canillas <javier@...hile0.org> To: Doug Anderson <dianders@...omium.org> Cc: Daniel Drake <drake@...lessm.com>, Chanwoo Choi <cw00.choi@...sung.com>, Alessandro Zummo <a.zummo@...ertech.it>, Kukjin Kim <kgene.kim@...sung.com>, Andrew Morton <akpm@...ux-foundation.org>, Kyungmin Park <kyungmin.park@...sung.com>, rtc-linux@...glegroups.com, Linux Kernel <linux-kernel@...r.kernel.org>, "linux-samsung-soc@...r.kernel.org" <linux-samsung-soc@...r.kernel.org> Subject: Re: [PATCHv3 4/5] rtc: s3c: Add support for RTC of Exynos3250 SoC Hello Doug, On Wed, Sep 17, 2014 at 12:15 AM, Doug Anderson <dianders@...omium.org> wrote: > > I think you can turn off CONFIG_COMMON_CLK_MAX77686 and then this > clock will be left at whatever the bootloader set it to, right? Then > there will be no auto-disabling by the CCF and the RTC will work. Yes, that's how Daniel was working around the issue. > That's one argument for making the clock "optional". > Indeed. > NOTE: I don't think that the builtin RTC is terribly important for any > exynos-based Chromebooks that I'm aware of. We rely on the RTC that's > part of the Maxim PMIC itself and pretty much ignore the one built-in > to the exynos. I think there are some cases it was used (as a > fallback wakeup source in certain test scripts), but nothing very > important. > Ok, I'll post the patch I shared before that makes the rtc to claim the max77802 32kHz clock as "rtc_src" anyways since that is the right thing to do even if the "rtc_src" ends being optional due DT backward compat. > -Doug Best regards, Javier -- 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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