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    SubjectRe: [PATCH] clk: imx: lpcg: write twice when writing lpcg regs
    On Sat, Sep 7, 2019 at 9:47 PM Stephen Boyd <sboyd@kernel.org> wrote:
    >
    > Quoting Peng Fan (2019-08-27 01:17:50)
    > > From: Peng Fan <peng.fan@nxp.com>
    > >
    > > There is hardware issue that:
    > > The output clock the LPCG cell will not turn back on as expected,
    > > even though a read of the IPG registers in the LPCG indicates that
    > > the clock should be enabled.
    > >
    > > The software workaround is to write twice to enable the LPCG clock
    > > output.
    > >
    > > Signed-off-by: Peng Fan <peng.fan@nxp.com>
    >
    > Does this need a Fixes tag?

    Not sure as it's not code logic issue but a hardware bug.
    And 4.19 LTS still have not this driver support.

    Regards
    Aisheng

    >

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