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-rw-r--r--source/components/hardware/hwregs.c11
-rw-r--r--source/components/hardware/hwsleep.c19
2 files changed, 24 insertions, 6 deletions
diff --git a/source/components/hardware/hwregs.c b/source/components/hardware/hwregs.c
index c0deed339797..ec106847ba3a 100644
--- a/source/components/hardware/hwregs.c
+++ b/source/components/hardware/hwregs.c
@@ -724,13 +724,20 @@ AcpiHwRegisterRead (
case ACPI_REGISTER_PM2_CONTROL: /* 8-bit access */
Status = AcpiHwRead (&Value64, &AcpiGbl_FADT.XPm2ControlBlock);
- Value = (UINT32) Value64;
+ if (ACPI_SUCCESS (Status))
+ {
+ Value = (UINT32) Value64;
+ }
break;
case ACPI_REGISTER_PM_TIMER: /* 32-bit access */
Status = AcpiHwRead (&Value64, &AcpiGbl_FADT.XPmTimerBlock);
- Value = (UINT32) Value64;
+ if (ACPI_SUCCESS (Status))
+ {
+ Value = (UINT32) Value64;
+ }
+
break;
case ACPI_REGISTER_SMI_COMMAND_BLOCK: /* 8-bit access */
diff --git a/source/components/hardware/hwsleep.c b/source/components/hardware/hwsleep.c
index fe111872cec0..7e435acecba0 100644
--- a/source/components/hardware/hwsleep.c
+++ b/source/components/hardware/hwsleep.c
@@ -198,17 +198,28 @@ AcpiHwLegacySleep (
return_ACPI_STATUS (Status);
}
- /*
- * 1) Disable all GPEs
- * 2) Enable all wakeup GPEs
- */
+ /* Disable all GPEs */
+
Status = AcpiHwDisableAllGpes ();
if (ACPI_FAILURE (Status))
{
return_ACPI_STATUS (Status);
}
+ /*
+ * If the target sleep state is S5, clear all GPEs and fixed events too
+ */
+ if (SleepState == ACPI_STATE_S5)
+ {
+ Status = AcpiHwClearAcpiStatus();
+ if (ACPI_FAILURE (Status))
+ {
+ return_ACPI_STATUS (Status);
+ }
+ }
AcpiGbl_SystemAwakeAndRunning = FALSE;
+ /* Enable all wakeup GPEs */
+
Status = AcpiHwEnableAllWakeupGpes ();
if (ACPI_FAILURE (Status))
{