[PATCH v7 3/4] clk: samsung: Implement automatic clock gating mode for CMUs

André Draszik andre.draszik at linaro.org
Thu Jan 8 02:55:45 PST 2026


Hi Marek,

On Thu, 2026-01-08 at 00:59 +0100, Marek Szyprowski wrote:
> > @@ -334,10 +456,20 @@ void samsung_clk_extended_sleep_init(void __iomem *reg_base,
> >     * samsung_cmu_register_clocks() - Register all clocks provided in CMU object
> >     * @ctx: Clock provider object
> >     * @cmu: CMU object with clocks to register
> > + * @np:  CMU device tree node
> >     */
> >    void __init samsung_cmu_register_clocks(struct samsung_clk_provider *ctx,
> > -					const struct samsung_cmu_info *cmu)
> > +					const struct samsung_cmu_info *cmu,
> > +					struct device_node *np)
> >    {
> > +	if (samsung_is_auto_capable(np) && cmu->auto_clock_gate)
> > +		ctx->auto_clock_gate = cmu->auto_clock_gate;
> 
> Do we need to issue "incorrect res size for automatic clocks" warning 
> for every legacy Exynos based board? The check above should be in 
> reverse order:
> 
> if (cmu->auto_clock_gates && amsung_is_auto_capable(np))
> 	ctx->auto_clock_gate = cmu->auto_clock_gate;

Good suggestion. I have one or two cleanups anyway, I'll add that as well.

Thanks for spotting this!

Cheers,
Andre'



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