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    SubjectRe: [PATCH AUTOSEL 5.14 133/252] spi: tegra20-slink: Improve runtime PM usage
    On Thu, Sep 09, 2021 at 07:39:07AM -0400, Sasha Levin wrote:
    > From: Dmitry Osipenko <digetx@gmail.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.
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