RE: [linux-pm] [PATCH] make pm_suspend_disk suspend/resume sysdev and dpm_off_irq

[Zhu, Yi]

Pavel Machek wrote:
> Okay, this should be better patch. It works here.

device_power_down() might fail, in this case we should
bail out, right?

Thanks,
-yi 

> --- clean/kernel/power/swsusp.c	2004-10-19
> 14:16:29.000000000 +0200
> +++ linux/kernel/power/swsusp.c	2004-11-25
> 12:27:35.000000000 +0100
> @@ -854,11 +840,13 @@
>  	if ((error = arch_prepare_suspend()))
>  		return error;
>  	local_irq_disable();
> +	device_power_down(3);
>  	save_processor_state();
>  	error = swsusp_arch_suspend();
>  	/* Restore control flow magically appears here */ 
>  	restore_processor_state(); restore_highmem();
> +	device_power_up();
>  	local_irq_enable();
>  	return error;
>  }
> @@ -878,6 +866,7 @@
>  {
>  	int error;
>  	local_irq_disable();
> +	device_power_down(3);
>  	/* We'll ignore saved state, but this gets preempt count (etc)
>  	right */ save_processor_state();
>  	error = swsusp_arch_resume();
> @@ -887,6 +876,7 @@
>  	BUG_ON(!error);
>  	restore_processor_state();
>  	restore_highmem();
> +	device_power_up();
>  	local_irq_enable();
>  	return error;
>  }

-
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