[PATCH] tty: serial: samsung: Set missing PM ops for hibernation support

Anton Eliasson anton.eliasson at axis.com
Wed Aug 9 06:19:27 PDT 2023


On 07/08/2023 15.50, Krzysztof Kozlowski wrote:
> On 03/08/2023 13:26, Anton Eliasson wrote:
>> At least freeze, restore and thaw need to be set in order for the driver
>> to support system hibernation. The existing suspend/resume functions can
>> be reused since those functions don't touch the device's power state or
>> wakeup capability. Use the helper macros SET_SYSTEM_SLEEP_PM_OPS and
>> SET_NOIRQ_SYSTEM_SLEEP_PM_OPS for symmetry with similar drivers.
>>
> Looks sensible, although you should also test the other sleep methods,
> e.g. suspend to idle.
>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
>
> Best regards,
> Krzysztof
>
Yes, s2idle still works. Standby / Power-On Suspend and s2ram we don't 
have support for so I can't test it. Thanks for the review!


Anton Eliasson




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