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

From: Krzysztof Kozlowski
Date: Tue Feb 20 2024 - 01:57:03 EST


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?

Best regards,
Krzysztof