Re: [PATCH] ACPI suspend: Execute _WAK with the right argument

From: Pavel Machek
Date: Tue Feb 12 2008 - 18:45:18 EST


On Wed 2008-02-13 00:32:16, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rjw@xxxxxxx>
>
> The _WAK global ACPI control method has to be called with the
> argument representing the sleep state being exited. Make it happen.
>
> Special thanks to Mirco Tischler <mt-ml@xxxxxx> for reporting the
> problem and debugging.
>
> Reported-by: Mirco Tischler <mt-ml@xxxxxx>
> Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx>

ACK. AFAICT this is 2.6.25 material.
Pavel

> ---
> drivers/acpi/hardware/hwsleep.c | 1 +
> 1 file changed, 1 insertion(+)
>
> Index: linux-2.6/drivers/acpi/hardware/hwsleep.c
> ===================================================================
> --- linux-2.6.orig/drivers/acpi/hardware/hwsleep.c
> +++ linux-2.6/drivers/acpi/hardware/hwsleep.c
> @@ -616,6 +616,7 @@ acpi_status acpi_leave_sleep_state(u8 sl
> return_ACPI_STATUS(status);
> }
>
> + arg.integer.value = sleep_state;
> status = acpi_evaluate_object(NULL, METHOD_NAME__WAK, &arg_list, NULL);
> if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
> ACPI_EXCEPTION((AE_INFO, status, "During Method _WAK"));

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