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Subject: Re: [PATCH v7 00/21] Move PMC clocks into Tegra PMC driver
To:     Sowjanya Komatineni <skomatineni@nvidia.com>,
        thierry.reding@gmail.com, jonathanh@nvidia.com, broonie@kernel.org,
        lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com,
        mperttunen@nvidia.com, gregkh@linuxfoundation.org,
        sboyd@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com
Cc:     pdeschrijver@nvidia.com, pgaikwad@nvidia.com, spujar@nvidia.com,
        josephl@nvidia.com, daniel.lezcano@linaro.org,
        mmaddireddy@nvidia.com, markz@nvidia.com,
        devicetree@vger.kernel.org, linux-clk@vger.kernel.org,
        linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org
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From:   Dmitry Osipenko <digetx@gmail.com>
Message-ID: <4e9fab30-14b5-bf1f-dc91-fd57ef614503@gmail.com>
Date:   Thu, 9 Jan 2020 22:44:38 +0300
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08.01.2020 07:24, Sowjanya Komatineni пишет:
> This patch series moves Tegra PMC clocks from clock driver to pmc driver
> along with the device trees changes and audio driver which uses one of
> the pmc clock for audio mclk.
> 
> Tegra PMC has clk_out_1, clk_out_2, clk_out_3 and blink controls which
> are currently registered by Tegra clock driver using clk_regiser_mux and
> clk_register_gate which performs direct Tegra PMC register access.
> 
> When Tegra PMC is in secure mode, any access from non-secure world will
> not go through.
> 
> This patch series adds these Tegra PMC clocks and blink controls to Tegra
> PMC driver with PMC as clock provider and removes them from Tegra clock
> driver.
> 
> PMC clock clk_out_1 is dedicated for audio mclk from Tegra30 thru Tegra210
> and clock driver does inital parent configuration for it and enables them.
> But this clock should be taken care by audio driver as there is no need
> to have this clock pre enabled.
> 
> So, this series also includes patch that updates ASoC driver to take
> care of parent configuration for mclk if device tree don't specify
> initial parent configuration using assigned-clock-parents and controls
> audio mclk enable/disable during ASoC machine startup and shutdown.
> 
> DTs are also updated to use clk_out_1 as audio mclk rather than extern1.
> 
> This series also includes a patch for mclk fallback to extern1 when
> retrieving mclk fails to have this backward compatible of new DT with
> old kernels.

Suspend-resume doesn't work anymore, reverting this series helps. I
don't have any other information yet, please take a look.