[PATCH v3 1/5] clk: Respect CLK_OPS_PARENT_ENABLE during recalc

Mark Brown broonie at kernel.org
Tue Jan 27 09:25:04 PST 2026


On Tue, Jan 27, 2026 at 05:01:35PM +0000, Mark Brown wrote:
> On Fri, Oct 10, 2025 at 10:47:09PM +0200, Nicolas Frattaroli wrote:
> > When CLK_OPS_PARENT_ENABLE was introduced, it guarded various clock
> > operations, such as setting the rate or switching parents. However,
> > another operation that can and often does touch actual hardware state is
> > recalc_rate, which may also be affected by such a dependency.
> 
> I'm seeing boot regressions in -next on the Avenger96 which bisect to
> this patch in -next.  The board resets during startup:

I am also seeing some similar regressions even earlier on i.MX8MP
platforms, though they're resetting even earlier before any output is
produced (even with earlycon).  Didn't confirm yet with a revert or
anything though.
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