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Date:   Thu, 9 Sep 2021 13:37:51 +0100
From:   Mark Brown <broonie@kernel.org>
To:     Sasha Levin <sashal@kernel.org>
Cc:     linux-kernel@vger.kernel.org, stable@vger.kernel.org,
        Dmitry Osipenko <digetx@gmail.com>, linux-spi@vger.kernel.org,
        linux-tegra@vger.kernel.org
Subject: Re: [PATCH AUTOSEL 5.14 133/252] spi: tegra20-slink: Improve runtime
 PM usage
Message-ID: <20210909123751.GA5176@sirena.org.uk>
References: <20210909114106.141462-1-sashal@kernel.org>
 <20210909114106.141462-133-sashal@kernel.org>
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On Thu, Sep 09, 2021 at 07:39:07AM -0400, Sasha Levin wrote:
> From: Dmitry Osipenko <digetx@gmail.com>
>=20
> [ Upstream commit e4bb903fda0e9bbafa1338dcd2ee5e4d3ccc50da ]
>=20
> 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.
>=20
> 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.

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