Re: [PATCH 1/2] mmc: sdhci-of-arasan: add phy support for sdhci-of-arasan

From	Shawn Lin <shawn.lin@rock-chips.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH 1/2] mmc: sdhci-of-arasan: add phy support for sdhci-of-arasan
Date	2015-10-19 17:00 +0200
Message-ID	<qlk4P-7Aj-43@gated-at.bofh.it> (permalink)
References	(1 earlier) <qkcsF-6ob-9@gated-at.bofh.it> <ql6XT-5iG-5@gated-at.bofh.it> <qldwm-6s2-15@gated-at.bofh.it> <qleiK-7D6-15@gated-at.bofh.it> <qlgkx-272-1@gated-at.bofh.it>
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On 2015/10/19 18:54, Ulf Hansson wrote:
> [...]
>

[...]

>
>>
>>> 2) Considering the runtime PM case for the sdhci device. Typically you
>>> can gate clocks etc at runtime suspend to save power, but what about
>>> the phy? Can you power off it in runtime suspend?
>>
>>
>> yes, we can power off it in runtime suspend. So we can append some patches
>> later to introduce runtime pm for sdhci-of-arasan?
>
> Yes, that's fine. I would thus expect that you want to do phy power
> off/on from the runtime PM callbacks, right!?
>
> If that's the case I think $subject patch should deal with *both* phy
> init and phy power on during ->probe().
>

yes. I will do phy power_off/on from runtime pm for the next version of 
$subject patchset.

Thanks.

> Kind regards
> Uffe
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-- 
Best Regards
Shawn Lin

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Re: [PATCH 1/2] mmc: sdhci-of-arasan: add phy support for  sdhci-of-arasan Shawn Lin <shawn.lin@rock-chips.com> - 2015-10-19 03:00 +0200
  Re: [PATCH 1/2] mmc: sdhci-of-arasan: add phy support for sdhci-of-arasan Ulf Hansson <ulf.hansson@linaro.org> - 2015-10-19 10:00 +0200
    Re: [PATCH 1/2] mmc: sdhci-of-arasan: add phy support for  sdhci-of-arasan Shawn Lin <shawn.lin@rock-chips.com> - 2015-10-19 10:50 +0200
      Re: [PATCH 1/2] mmc: sdhci-of-arasan: add phy support for sdhci-of-arasan Ulf Hansson <ulf.hansson@linaro.org> - 2015-10-19 13:00 +0200
        Re: [PATCH 1/2] mmc: sdhci-of-arasan: add phy support for  sdhci-of-arasan Shawn Lin <shawn.lin@rock-chips.com> - 2015-10-19 17:00 +0200

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