On Wed, 12 Sep 2007 13:14:08 +0200
"Rafael J. Wysocki" <rjw@xxxxxxx> wrote:
> + if (!hibernation_ops)
> + return -ENOSYS;
> +
> + /*
> + * We have cancelled the power transition by running
> + * hibernation_ops->finish() before saving the image, so we should let
> + * the firmware know that we're going to enter the sleep state after all
> + */
> + error = hibernation_ops->start();
> + if (error)
> + return error;
> +
> + suspend_console();
> + error = device_suspend(PMSG_SUSPEND);
> + if (error)
> + return error;
> +
> + error = hibernation_ops->prepare();
> + if (error)
> + goto Resume_devices;
> +
> + error = disable_nonboot_cpus();
> + if (error)
> + goto Finish;
> +
> + local_irq_disable();
> + error = device_power_down(PMSG_SUSPEND);
> + if (!error) {
> + hibernation_ops->enter();
> + /* We should never get here */
> + while (1);
> }
> + local_irq_enable();
> +
Confused. afacit there's no way for the caller of this function to know
whether or not suspend_console() was called, so the error recovery doesn't
know whether or not to run resume_console(). How does all that work?
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