Re: [PATCH v4 1/2] soc: samsung: exynos-pmu: Add regmap support for SoCs that protect PMU regs

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Hi Krzysztof,

On Tue, 20 Feb 2024 at 06:56, Krzysztof Kozlowski
<krzysztof.kozlowski@xxxxxxxxxx> wrote:
>
> On 19/02/2024 20:47, Peter Griffin wrote:
> >>
> >>> +
> >>> +     if (property)
> >>> +             pmu_np = of_parse_phandle(np, property, 0);
> >>> +     else
> >>> +             pmu_np = np;
> >>> +
> >>> +     if (!pmu_np)
> >>> +             return ERR_PTR(-ENODEV);
> >>> +
> >>> +     /*
> >>> +      * Determine if exynos-pmu device has probed and therefore regmap
> >>> +      * has been created and can be returned to the caller. Otherwise we
> >>> +      * return -EPROBE_DEFER.
> >>> +      */
> >>> +     dev = driver_find_device_by_of_node(&exynos_pmu_driver.driver,
> >>> +                                         (void *)pmu_np);
> >>> +
> >>> +     of_node_put(pmu_np);
> >>
> >> You are dropping now referencen from np when property==NULL. This does
> >> no look right.
> >
> > Good spot, will fix. It seems syscon.c and altera-sysmgr also have the
> > same issue.
> >
>
> Do you plan on fixing them as well in such case?

Yes I'll send some patches to fix syscon and altera-sysmgr as well.

Thanks,

Peter




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