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
