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

From: Mark Brown
Date: Thu Sep 09 2021 - 09:26:21 EST

On Thu, Sep 09, 2021 at 07:39:07AM -0400, Sasha Levin wrote:
> From: Dmitry Osipenko <digetx@xxxxxxxxx>
> [ 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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