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Diffstat (limited to 'drivers/acpi/acpica/hwsleep.c')
-rw-r--r--drivers/acpi/acpica/hwsleep.c28
1 files changed, 3 insertions, 25 deletions
diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c
index 0ed85cac3231..9960fe9ef533 100644
--- a/drivers/acpi/acpica/hwsleep.c
+++ b/drivers/acpi/acpica/hwsleep.c
@@ -56,7 +56,7 @@ ACPI_MODULE_NAME("hwsleep")
* FUNCTION: acpi_hw_legacy_sleep
*
* PARAMETERS: sleep_state - Which sleep state to enter
- * Flags - ACPI_EXECUTE_GTS to run optional method
+ * flags - ACPI_EXECUTE_GTS to run optional method
*
* RETURN: Status
*
@@ -95,18 +95,6 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags)
return_ACPI_STATUS(status);
}
- if (sleep_state != ACPI_STATE_S5) {
- /*
- * Disable BM arbitration. This feature is contained within an
- * optional register (PM2 Control), so ignore a BAD_ADDRESS
- * exception.
- */
- status = acpi_write_bit_register(ACPI_BITREG_ARB_DISABLE, 1);
- if (ACPI_FAILURE(status) && (status != AE_BAD_ADDRESS)) {
- return_ACPI_STATUS(status);
- }
- }
-
/*
* 1) Disable/Clear all GPEs
* 2) Enable all wakeup GPEs
@@ -226,7 +214,7 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags)
* FUNCTION: acpi_hw_legacy_wake_prep
*
* PARAMETERS: sleep_state - Which sleep state we just exited
- * Flags - ACPI_EXECUTE_BFS to run optional method
+ * flags - ACPI_EXECUTE_BFS to run optional method
*
* RETURN: Status
*
@@ -300,7 +288,7 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state, u8 flags)
* FUNCTION: acpi_hw_legacy_wake
*
* PARAMETERS: sleep_state - Which sleep state we just exited
- * Flags - Reserved, set to zero
+ * flags - Reserved, set to zero
*
* RETURN: Status
*
@@ -364,16 +352,6 @@ acpi_status acpi_hw_legacy_wake(u8 sleep_state, u8 flags)
[ACPI_EVENT_POWER_BUTTON].
status_register_id, ACPI_CLEAR_STATUS);
- /*
- * Enable BM arbitration. This feature is contained within an
- * optional register (PM2 Control), so ignore a BAD_ADDRESS
- * exception.
- */
- status = acpi_write_bit_register(ACPI_BITREG_ARB_DISABLE, 0);
- if (ACPI_FAILURE(status) && (status != AE_BAD_ADDRESS)) {
- return_ACPI_STATUS(status);
- }
-
acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, ACPI_SST_WORKING);
return_ACPI_STATUS(status);
}