Re: [PATCHv3 4/5] rtc: s3c: Add support for RTC of Exynos3250 SoC

From: Javier Martinez Canillas
Date: Wed Sep 17 2014 - 04:39:48 EST

Hello Doug,

On Wed, Sep 17, 2014 at 12:15 AM, Doug Anderson <dianders@xxxxxxxxxxxx> 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".


> 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

> -Doug

Best regards,
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