From: Bob Moore Date: Tue, 10 Jun 2008 06:26:57 +0000 (+0800) Subject: ACPICA: Fix to make _SST method optional X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=d52c79ace60a2e2b22455fd195ff4bc8e7afa177;p=linux-beck.git ACPICA: Fix to make _SST method optional Fixes a problem introduced in 20080514 where the status of execution of _SST is incorrectly returned to the caller. _SST is optional, and if it is AE_NOT_FOUND, the exception should be ignored. http://www.acpica.org/bugzilla/show_bug.cgi?id=716 Signed-off-by: Bob Moore Signed-off-by: Lin Ming Signed-off-by: Len Brown --- diff --git a/drivers/acpi/hardware/hwsleep.c b/drivers/acpi/hardware/hwsleep.c index d9937e05ec6a..dba3cfbe8cba 100644 --- a/drivers/acpi/hardware/hwsleep.c +++ b/drivers/acpi/hardware/hwsleep.c @@ -223,15 +223,17 @@ acpi_status acpi_enter_sleep_state_prep(u8 sleep_state) break; } - /* Set the system indicators to show the desired sleep state. */ - + /* + * Set the system indicators to show the desired sleep state. + * _SST is an optional method (return no error if not found) + */ status = acpi_evaluate_object(NULL, METHOD_NAME__SST, &arg_list, NULL); if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { ACPI_EXCEPTION((AE_INFO, status, "While executing method _SST")); } - return_ACPI_STATUS(status); + return_ACPI_STATUS(AE_OK); } ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep)