diff options
Diffstat (limited to 'hardware/hwsleep.c')
| -rw-r--r-- | hardware/hwsleep.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/hardware/hwsleep.c b/hardware/hwsleep.c index 32a7934..fed4f1d 100644 --- a/hardware/hwsleep.c +++ b/hardware/hwsleep.c @@ -345,10 +345,13 @@ AcpiEnterSleepState ( if (SleepState != ACPI_STATE_S5) { - /* Disable BM arbitration */ - + /* + * Disable BM arbitration. This feature is contained within an + * optional register (PM2 Control), so ignore a BAD_ADDRESS + * exception. + */ Status = AcpiWriteBitRegister (ACPI_BITREG_ARB_DISABLE, 1); - if (ACPI_FAILURE (Status)) + if (ACPI_FAILURE (Status) && (Status != AE_BAD_ADDRESS)) { return_ACPI_STATUS (Status); } @@ -683,10 +686,13 @@ AcpiLeaveSleepState ( AcpiGbl_FixedEventInfo[ACPI_EVENT_POWER_BUTTON].StatusRegisterId, ACPI_CLEAR_STATUS); - /* Enable BM arbitration */ - + /* + * Enable BM arbitration. This feature is contained within an + * optional register (PM2 Control), so ignore a BAD_ADDRESS + * exception. + */ Status = AcpiWriteBitRegister (ACPI_BITREG_ARB_DISABLE, 0); - if (ACPI_FAILURE (Status)) + if (ACPI_FAILURE (Status) && (Status != AE_BAD_ADDRESS)) { return_ACPI_STATUS (Status); } |
