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author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-03-14 17:07:33 +0300 |
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committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-03-14 17:07:33 +0300 |
commit | b70366e5d31788650b2a5cec5cd13ea80ac7e44a (patch) | |
tree | d972ffd190111d699200448494fda333d28b2486 /drivers/acpi/acpica/hwesleep.c | |
parent | f42e181935d5e5670c87d31ae48063a495bbacae (diff) | |
parent | db6ccf23e8ba40fc2e8914ec9c0eb950df71d9fe (diff) | |
download | linux-b70366e5d31788650b2a5cec5cd13ea80ac7e44a.tar.xz |
Merge tag 'doc-4.11-images' of git://git.lwn.net/linux into drm-misc-next
Pointer for Markus's image conversion work.
We need this so we can merge all the pretty drm graphs for 4.12.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/hwesleep.c')
-rw-r--r-- | drivers/acpi/acpica/hwesleep.c | 37 |
1 files changed, 17 insertions, 20 deletions
diff --git a/drivers/acpi/acpica/hwesleep.c b/drivers/acpi/acpica/hwesleep.c index 3f2fb4b31fdc..12626d021a9b 100644 --- a/drivers/acpi/acpica/hwesleep.c +++ b/drivers/acpi/acpica/hwesleep.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2016, Intel Corp. + * Copyright (C) 2000 - 2017, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -43,7 +43,6 @@ */ #include <acpi/acpi.h> -#include <linux/acpi.h> #include "accommon.h" #define _COMPONENT ACPI_HARDWARE @@ -103,7 +102,7 @@ void acpi_hw_execute_sleep_method(char *method_pathname, u32 integer_argument) acpi_status acpi_hw_extended_sleep(u8 sleep_state) { acpi_status status; - u8 sleep_type_value; + u8 sleep_control; u64 sleep_status; ACPI_FUNCTION_TRACE(hw_extended_sleep); @@ -125,18 +124,6 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state) acpi_gbl_system_awake_and_running = FALSE; - /* Flush caches, as per ACPI specification */ - - ACPI_FLUSH_CPU_CACHE(); - - status = acpi_os_prepare_extended_sleep(sleep_state, - acpi_gbl_sleep_type_a, - acpi_gbl_sleep_type_b); - if (ACPI_SKIP(status)) - return_ACPI_STATUS(AE_OK); - if (ACPI_FAILURE(status)) - return_ACPI_STATUS(status); - /* * Set the SLP_TYP and SLP_EN bits. * @@ -146,12 +133,22 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state) ACPI_DEBUG_PRINT((ACPI_DB_INIT, "Entering sleep state [S%u]\n", sleep_state)); - sleep_type_value = - ((acpi_gbl_sleep_type_a << ACPI_X_SLEEP_TYPE_POSITION) & - ACPI_X_SLEEP_TYPE_MASK); + sleep_control = ((acpi_gbl_sleep_type_a << ACPI_X_SLEEP_TYPE_POSITION) & + ACPI_X_SLEEP_TYPE_MASK) | ACPI_X_SLEEP_ENABLE; + + /* Flush caches, as per ACPI specification */ + + ACPI_FLUSH_CPU_CACHE(); + + status = acpi_os_enter_sleep(sleep_state, sleep_control, 0); + if (status == AE_CTRL_TERMINATE) { + return_ACPI_STATUS(AE_OK); + } + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } - status = acpi_write((u64)(sleep_type_value | ACPI_X_SLEEP_ENABLE), - &acpi_gbl_FADT.sleep_control); + status = acpi_write((u64)sleep_control, &acpi_gbl_FADT.sleep_control); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } |