Re: [PATCH 01/14] gpio: pca953x: move suspend/resume to suspend_noirq/resume_noirq

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Hello Tony,

On 1/16/24 08:43, Tony Lindgren wrote:
> * Thomas Richard <thomas.richard@xxxxxxxxxxx> [240115 16:16]:
>> Some IOs can be needed during suspend_noirq/resume_noirq.
>> So move suspend/resume callbacks to noirq.
> So have you checked that the pca953x_save_context() and restore works
> this way? There's i2c traffic and regulators may sleep.. I wonder if
> you instead just need to leave gpio-pca953x enabled in some cases
> instead?

Yes I tested it, and it works (with my setup).
But this patch may have an impact for other people.
How could I leave it enabled in some cases ?


Thomas Richard, Bootlin
Embedded Linux and Kernel engineering

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