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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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