linux-kernel - Re: [PATCH AUTOSEL 5.14 133/252] spi: tegra20-slink: Improve runtime PM usage

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Date:   Thu, 9 Sep 2021 15:45:45 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Mark Brown <broonie@...nel.org>, Sasha Levin <sashal@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        linux-spi@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: Re: [PATCH AUTOSEL 5.14 133/252] spi: tegra20-slink: Improve runtime
 PM usage

09.09.2021 15:37, Mark Brown пишет:
> On Thu, Sep 09, 2021 at 07:39:07AM -0400, Sasha Levin wrote:
>> From: Dmitry Osipenko <digetx@...il.com>
>>
>> [ Upstream commit e4bb903fda0e9bbafa1338dcd2ee5e4d3ccc50da ]
>>
>> The Tegra SPI driver supports runtime PM, which controls the clock
>> enable state, but the clk is also enabled separately from the RPM
>> at the driver probe time, and thus, stays always on. Fix it.
>>
>> Runtime PM now is always available on Tegra, hence there is no need to
>> check the RPM presence in the driver anymore. Remove these checks.
> 
> This feels new featureish to me - it'll give you runtime PM where
> previously there was none.
> 

Apparently all patches which have a word 'fix' in commit message are
auto-selected. I agree that it's better not to port this patch.