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path: root/drivers/acpi/acpica/hwregs.c
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Diffstat (limited to 'drivers/acpi/acpica/hwregs.c')
-rw-r--r--drivers/acpi/acpica/hwregs.c17
1 files changed, 3 insertions, 14 deletions
diff --git a/drivers/acpi/acpica/hwregs.c b/drivers/acpi/acpica/hwregs.c
index 41f1173e02c2..9c8162128c2b 100644
--- a/drivers/acpi/acpica/hwregs.c
+++ b/drivers/acpi/acpica/hwregs.c
@@ -71,7 +71,6 @@ acpi_hw_write_multiple(u32 value,
* RETURN: Status
*
* DESCRIPTION: Clears all fixed and general purpose status bits
- * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
*
******************************************************************************/
@@ -82,13 +81,13 @@ acpi_status acpi_hw_clear_acpi_status(void)
ACPI_FUNCTION_TRACE(hw_clear_acpi_status);
- ACPI_DEBUG_PRINT((ACPI_DB_IO, "About to write %04X to %04X\n",
+ ACPI_DEBUG_PRINT((ACPI_DB_IO, "About to write %04X to %0llX\n",
ACPI_BITMASK_ALL_FIXED_STATUS,
- (u16) acpi_gbl_xpm1a_status.address));
+ acpi_gbl_xpm1a_status.address));
lock_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock);
- /* Clear the fixed events */
+ /* Clear the fixed events in PM1 A/B */
status = acpi_hw_register_write(ACPI_REGISTER_PM1_STATUS,
ACPI_BITMASK_ALL_FIXED_STATUS);
@@ -96,16 +95,6 @@ acpi_status acpi_hw_clear_acpi_status(void)
goto unlock_and_exit;
}
- /* Write PM1B register if present */
-
- if (acpi_gbl_xpm1b_status.address) {
- status = acpi_write(ACPI_BITMASK_ALL_FIXED_STATUS,
- &acpi_gbl_xpm1b_status);
- if (ACPI_FAILURE(status)) {
- goto unlock_and_exit;
- }
- }
-
/* Clear the GPE Bits in all GPE registers in all GPE blocks */
status = acpi_ev_walk_gpe_list(acpi_hw_clear_gpe_block, NULL);