linux-kernel - Re: [PATCH RESEND] phy: exynos-mipi-video: simplify check for coupled phy status

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Date:   Tue, 8 Nov 2016 08:33:14 -0300
From:   Javier Martinez Canillas <javier@....samsung.com>
To:     Marek Szyprowski <m.szyprowski@...sung.com>,
        linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org
Cc:     Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Krzysztof Kozlowski <krzk@...nel.org>
Subject: Re: [PATCH RESEND] phy: exynos-mipi-video: simplify check for coupled
 phy status

Hello Marek,

On 11/08/2016 03:27 AM, Marek Szyprowski wrote:
> Hi Javier,
> 
> 
> On 2016-11-07 19:50, Javier Martinez Canillas wrote:
>> On 11/07/2016 07:48 AM, Marek Szyprowski wrote:
>>> There is no need to access regmap of coupled phy to check its state - such
>>> information is already in the phy device itself, so use it directly. This
>>> let us to avoid possible access to registers of the device in the disabled
>>> power domain if the coupled phy is already disabled.
>>>
>> Do you think this patch needs also go to stable?
> 
> Nope, there is no such need, because the problem with potential power domain
> is specific for Exynos 5433, which is not yet merged to mainline.
>

Thanks for the clarification. It wasn't clear for me from the commit
message where did you face this issue.
 
>>> Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
>>> Acked-by: Sylwester Nawrocki <s.nawrocki@...sung.com>
>>> ---
>> Reviewed-by: Javier Martinez Canillas <javier@....samsung.com>
> 
> Best regards

Best regards,
-- 
Javier Martinez Canillas
Open Source Group
Samsung Research America