Re: [PATCH 03/14] i2c: omap: wakeup the controller during suspend callback

[Andy Shevchenko <andy.shevchenko@xxxxxxxxx>]

On Mon, Jan 15, 2024 at 6:16 PM Thomas Richard
<thomas.richard@xxxxxxxxxxx> wrote:
>
> A device may need the controller up during suspend_noirq or
> resume_noirq.
> But if the controller is autosuspended, there is no way to wakeup it
> during suspend_noirq or resume_noirq because runtime pm is disabled
> at this time.
>
> The suspend callback wakes up the controller, so it is available until
> its suspend_noirq callback (pm_runtime_force_suspend).
> During the resume, it's restored by resume_noirq callback
> (pm_runtime_force_resume). Then resume callback enables autosuspend.
>
> So the controller is up during a little time slot in suspend and resume
> sequences even if it's not used.

Same comment

->...callback...()

...

>  }
>
> +

Stray blank line is added.

> +static int omap_i2c_suspend(struct device *dev)

-- 
With Best Regards,
Andy Shevchenko