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SubjectRe: [PATCH v3] clk: imx8mq: Mark AHB clock as critical
On 19-07-30 10:52:30, Stephen Boyd wrote:
> Quoting Abel Vesa (2019-07-30 00:22:55)
> > Initially, the TMU_ROOT clock was marked as critical, which automatically
> > made the AHB clock to stay always on. Since the TMU_ROOT clock is not
> > marked as critical anymore, following commit:
> >
> > 431bdd1df48e ("clk: imx8mq: Remove CLK_IS_CRITICAL flag for IMX8MQ_CLK_TMU_ROOT")
> >
> > all the clocks that derive from ipg_root clock (and implicitly ahb clock)
> > would also have to enable, along with their own gate, the AHB clock.
> >
> > But considering that AHB is actually a bus that has to be always on, we mark
> > it as critical in the clock provider driver and then all the clocks that
> > derive from it can be controlled through the dedicated per IP gate which
> > follows after the ipg_root clock.
> >
> > Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
> > Tested-by: Daniel Baluta <daniel.baluta@nxp.com>
> > Fixes: 431bdd1df48e ("clk: imx8mq: Remove CLK_IS_CRITICAL flag for IMX8MQ_CLK_TMU_ROOT")
> > ---
> >
>
> Should I just apply this to clk-fixes branch?
>

Nope. The commit 431bdd1df48e is just in -next for now.
So this has to be taken by Shawn, I think.

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