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    SubjectRe: [PATCH v7 00/21] Move PMC clocks into Tegra PMC driver
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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.

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