linux-kernel - Re: [PATCH 10/13] ARM: dts: exynos: replace to "max-frequecy" instead of "clock-freq-min-max"

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Message-ID: <20161109201029.GE23534@kozik-lap>
Date:   Wed, 9 Nov 2016 22:10:29 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Jaehoon Chung <jh80.chung@...sung.com>
Cc:     Krzysztof Kozlowski <krzk@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>, linux-mmc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org,
        linux-rockchip@...ts.infradead.org, ulf.hansson@...aro.org,
        robh+dt@...nel.org, shawn.lin@...k-chips.com
Subject: Re: [PATCH 10/13] ARM: dts: exynos: replace to "max-frequecy"
 instead of "clock-freq-min-max"

On Mon, Nov 07, 2016 at 09:38:15AM +0900, Jaehoon Chung wrote:
> On 11/05/2016 12:04 AM, Krzysztof Kozlowski wrote:
> > On Fri, Nov 04, 2016 at 12:19:49PM +0100, Heiko Stuebner wrote:
> >> Hi Jaehoon,
> >>
> >> Am Freitag, 4. November 2016, 19:21:30 CET schrieb Jaehoon Chung:
> >>> On 11/04/2016 03:41 AM, Krzysztof Kozlowski wrote:
> >>>> On Thu, Nov 03, 2016 at 03:21:32PM +0900, Jaehoon Chung wrote:
> >>>>> In drivers/mmc/core/host.c, there is "max-frequency" property.
> >>>>> It should be same behavior. So Use the "max-frequency" instead of
> >>>>> "clock-freq-min-max".
> >>>>>
> >>>>> Signed-off-by: Jaehoon Chung <jh80.chung@...sung.com>
> >>>>> ---
> >>>>>
> >>>>>  arch/arm/boot/dts/exynos3250-artik5-eval.dts | 2 +-
> >>>>>  arch/arm/boot/dts/exynos3250-artik5.dtsi     | 2 +-
> >>>>>  arch/arm/boot/dts/exynos3250-monk.dts        | 2 +-
> >>>>>  arch/arm/boot/dts/exynos3250-rinato.dts      | 2 +-
> >>>>>  4 files changed, 4 insertions(+), 4 deletions(-)
> >>>>
> >>>> This looks totally independent to rest of patches so it can be applied
> >>>> separately without any functional impact (except lack of minimum
> >>>> frequency). Is that correct?
> >>>
> >>> You're right. I will split the patches. And will resend.
> >>> Thanks!
> >>
> >> I think what Krzysztof was asking was just if he can simply pick up this patch 
> >> alone, as it does not require any of the previous changes.
> >>
> >> Same is true for the Rockchip patches I guess, so we could just take them 
> >> individually into samsung/rockchip dts branches.
> > 
> > Yes, I wanted to get exactly this information. I couldn't find it in
> > cover letter.
> 
> In drivers/mmc/core/host.c, there already is "max-frequency" property.
> It's same functionality with "clock-freq-min-max". 
> Minimum clock value can be fixed to 100K. because MMC core will check clock value from 400K to 100K.
> But max-frequency can be difference.
> If we can use "max-frequency" property, we don't need to use "clock-freq-min-max" property anymore.
> I will resend the deprecated property instead of removing "clock-freq-min-max".
> 
> If you want to pick this, it's possible to pick. Then i will resend the patches without dt patches.

Thanks, applied.

Best regards,
Krzysztof