Re: [PATCH v5 02/11] i2c: omap: wakeup the controller during suspend() callback

[Andi Shyti]

Hi Thomas,

> +static int omap_i2c_suspend(struct device *dev)
> +{
> +	/*
> +	 * If the controller is autosuspended, there is no way to wakeup it once
> +	 * runtime pm is disabled (in suspend_late()).
> +	 * But a device may need the controller up during suspend_noirq() or
> +	 * resume_noirq().
> +	 * Wakeup the controller while runtime pm is enabled, so it is available
> +	 * until its suspend_noirq(), and from resume_noirq().
> +	 */
> +	return pm_runtime_resume_and_get(dev);
> +}
> +
> +static int omap_i2c_resume(struct device *dev)
> +{
> +	pm_runtime_mark_last_busy(dev);
> +	pm_runtime_put_autosuspend(dev);
> +
> +	return 0;
> +}
> +
>  static const struct dev_pm_ops omap_i2c_pm_ops = {
>  	SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
>  				      pm_runtime_force_resume)
> +	SET_SYSTEM_SLEEP_PM_OPS(omap_i2c_suspend, omap_i2c_resume)

If you don't have CONFIG_PM_SLEEP, though, this doesn't compile.

Andi