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-rw-r--r--drivers/acpi/acpica/achware.h12
-rw-r--r--drivers/acpi/acpica/hwesleep.c21
-rw-r--r--drivers/acpi/acpica/hwsleep.c21
-rw-r--r--drivers/acpi/acpica/hwxfsleep.c35
-rw-r--r--drivers/acpi/sleep.c13
5 files changed, 63 insertions, 39 deletions
diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h
index 5de4ec72766..5ccb99ae3a6 100644
--- a/drivers/acpi/acpica/achware.h
+++ b/drivers/acpi/acpica/achware.h
@@ -83,22 +83,22 @@ acpi_status acpi_hw_clear_acpi_status(void);
/*
* hwsleep - sleep/wake support (Legacy sleep registers)
*/
-acpi_status acpi_hw_legacy_sleep(u8 sleep_state);
+acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags);
-acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state);
+acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state, u8 flags);
-acpi_status acpi_hw_legacy_wake(u8 sleep_state);
+acpi_status acpi_hw_legacy_wake(u8 sleep_state, u8 flags);
/*
* hwesleep - sleep/wake support (Extended FADT-V5 sleep registers)
*/
void acpi_hw_execute_sleep_method(char *method_name, u32 integer_argument);
-acpi_status acpi_hw_extended_sleep(u8 sleep_state);
+acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags);
-acpi_status acpi_hw_extended_wake_prep(u8 sleep_state);
+acpi_status acpi_hw_extended_wake_prep(u8 sleep_state, u8 flags);
-acpi_status acpi_hw_extended_wake(u8 sleep_state);
+acpi_status acpi_hw_extended_wake(u8 sleep_state, u8 flags);
/*
* hwvalid - Port I/O with validation
diff --git a/drivers/acpi/acpica/hwesleep.c b/drivers/acpi/acpica/hwesleep.c
index 6cbc4e10bfa..1c409e82c46 100644
--- a/drivers/acpi/acpica/hwesleep.c
+++ b/drivers/acpi/acpica/hwesleep.c
@@ -103,6 +103,7 @@ void acpi_hw_execute_sleep_method(char *method_pathname, u32 integer_argument)
* FUNCTION: acpi_hw_extended_sleep
*
* PARAMETERS: sleep_state - Which sleep state to enter
+ * Flags - ACPI_EXECUTE_GTS to run optional method
*
* RETURN: Status
*
@@ -112,7 +113,7 @@ void acpi_hw_execute_sleep_method(char *method_pathname, u32 integer_argument)
*
******************************************************************************/
-acpi_status acpi_hw_extended_sleep(u8 sleep_state)
+acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags)
{
acpi_status status;
u8 sleep_type_value;
@@ -136,9 +137,11 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state)
acpi_gbl_system_awake_and_running = FALSE;
- /* Execute the _GTS method (Going To Sleep) */
+ /* Optionally execute _GTS (Going To Sleep) */
- acpi_hw_execute_sleep_method(METHOD_PATHNAME__GTS, sleep_state);
+ if (flags & ACPI_EXECUTE_GTS) {
+ acpi_hw_execute_sleep_method(METHOD_PATHNAME__GTS, sleep_state);
+ }
/* Flush caches, as per ACPI specification */
@@ -181,6 +184,7 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state)
* FUNCTION: acpi_hw_extended_wake_prep
*
* PARAMETERS: sleep_state - Which sleep state we just exited
+ * Flags - ACPI_EXECUTE_BFS to run optional method
*
* RETURN: Status
*
@@ -189,7 +193,7 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state)
*
******************************************************************************/
-acpi_status acpi_hw_extended_wake_prep(u8 sleep_state)
+acpi_status acpi_hw_extended_wake_prep(u8 sleep_state, u8 flags)
{
acpi_status status;
u8 sleep_type_value;
@@ -208,7 +212,11 @@ acpi_status acpi_hw_extended_wake_prep(u8 sleep_state)
&acpi_gbl_FADT.sleep_control);
}
- acpi_hw_execute_sleep_method(METHOD_PATHNAME__BFS, sleep_state);
+ /* Optionally execute _BFS (Back From Sleep) */
+
+ if (flags & ACPI_EXECUTE_BFS) {
+ acpi_hw_execute_sleep_method(METHOD_PATHNAME__BFS, sleep_state);
+ }
return_ACPI_STATUS(AE_OK);
}
@@ -217,6 +225,7 @@ acpi_status acpi_hw_extended_wake_prep(u8 sleep_state)
* FUNCTION: acpi_hw_extended_wake
*
* PARAMETERS: sleep_state - Which sleep state we just exited
+ * Flags - Reserved, set to zero
*
* RETURN: Status
*
@@ -225,7 +234,7 @@ acpi_status acpi_hw_extended_wake_prep(u8 sleep_state)
*
******************************************************************************/
-acpi_status acpi_hw_extended_wake(u8 sleep_state)
+acpi_status acpi_hw_extended_wake(u8 sleep_state, u8 flags)
{
ACPI_FUNCTION_TRACE(hw_extended_wake);
diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c
index aba36349ba4..8ab325cefa6 100644
--- a/drivers/acpi/acpica/hwsleep.c
+++ b/drivers/acpi/acpica/hwsleep.c
@@ -56,6 +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
*
* RETURN: Status
*
@@ -63,7 +64,7 @@ ACPI_MODULE_NAME("hwsleep")
* THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
*
******************************************************************************/
-acpi_status acpi_hw_legacy_sleep(u8 sleep_state)
+acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags)
{
struct acpi_bit_register_info *sleep_type_reg_info;
struct acpi_bit_register_info *sleep_enable_reg_info;
@@ -121,9 +122,11 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state)
return_ACPI_STATUS(status);
}
- /* Execute the _GTS method (Going To Sleep) */
+ /* Optionally execute _GTS (Going To Sleep) */
- acpi_hw_execute_sleep_method(METHOD_PATHNAME__GTS, sleep_state);
+ if (flags & ACPI_EXECUTE_GTS) {
+ acpi_hw_execute_sleep_method(METHOD_PATHNAME__GTS, sleep_state);
+ }
/* Get current value of PM1A control */
@@ -219,6 +222,7 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state)
* FUNCTION: acpi_hw_legacy_wake_prep
*
* PARAMETERS: sleep_state - Which sleep state we just exited
+ * Flags - ACPI_EXECUTE_BFS to run optional method
*
* RETURN: Status
*
@@ -228,7 +232,7 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state)
*
******************************************************************************/
-acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state)
+acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state, u8 flags)
{
acpi_status status;
struct acpi_bit_register_info *sleep_type_reg_info;
@@ -279,7 +283,11 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state)
}
}
- acpi_hw_execute_sleep_method(METHOD_PATHNAME__BFS, sleep_state);
+ /* Optionally execute _BFS (Back From Sleep) */
+
+ if (flags & ACPI_EXECUTE_BFS) {
+ acpi_hw_execute_sleep_method(METHOD_PATHNAME__BFS, sleep_state);
+ }
return_ACPI_STATUS(status);
}
@@ -288,6 +296,7 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state)
* FUNCTION: acpi_hw_legacy_wake
*
* PARAMETERS: sleep_state - Which sleep state we just exited
+ * Flags - Reserved, set to zero
*
* RETURN: Status
*
@@ -296,7 +305,7 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state)
*
******************************************************************************/
-acpi_status acpi_hw_legacy_wake(u8 sleep_state)
+acpi_status acpi_hw_legacy_wake(u8 sleep_state, u8 flags)
{
acpi_status status;
diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c
index cf0168e538d..762d059bb50 100644
--- a/drivers/acpi/acpica/hwxfsleep.c
+++ b/drivers/acpi/acpica/hwxfsleep.c
@@ -49,15 +49,16 @@
ACPI_MODULE_NAME("hwxfsleep")
/* Local prototypes */
-static acpi_status acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id);
+static acpi_status
+acpi_hw_sleep_dispatch(u8 sleep_state, u8 flags, u32 function_id);
/*
* Dispatch table used to efficiently branch to the various sleep
* functions.
*/
-#define ACPI_SLEEP_FUNCTION 0
-#define ACPI_WAKE_PREP_FUNCTION 1
-#define ACPI_WAKE_FUNCTION 2
+#define ACPI_SLEEP_FUNCTION_ID 0
+#define ACPI_WAKE_PREP_FUNCTION_ID 1
+#define ACPI_WAKE_FUNCTION_ID 2
/* Legacy functions are optional, based upon ACPI_REDUCED_HARDWARE */
@@ -233,7 +234,8 @@ ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_s4bios)
* function.
*
******************************************************************************/
-static acpi_status acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id)
+static acpi_status
+acpi_hw_sleep_dispatch(u8 sleep_state, u8 flags, u32 function_id)
{
acpi_status status;
struct acpi_sleep_functions *sleep_functions =
@@ -246,11 +248,11 @@ static acpi_status acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id)
* use the extended sleep registers
*/
if (acpi_gbl_reduced_hardware || acpi_gbl_FADT.sleep_control.address) {
- status = sleep_functions->extended_function(sleep_state);
+ status = sleep_functions->extended_function(sleep_state, flags);
} else {
/* Legacy sleep */
- status = sleep_functions->legacy_function(sleep_state);
+ status = sleep_functions->legacy_function(sleep_state, flags);
}
return (status);
@@ -260,7 +262,7 @@ static acpi_status acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id)
* For the case where reduced-hardware-only code is being generated,
* we know that only the extended sleep registers are available
*/
- status = sleep_functions->extended_function(sleep_state);
+ status = sleep_functions->extended_function(sleep_state, flags);
return (status);
#endif /* !ACPI_REDUCED_HARDWARE */
@@ -290,8 +292,6 @@ acpi_status acpi_enter_sleep_state_prep(u8 sleep_state)
ACPI_FUNCTION_TRACE(acpi_enter_sleep_state_prep);
- /* _PSW methods could be run here to enable wake-on keyboard, LAN, etc. */
-
status = acpi_get_sleep_type_data(sleep_state,
&acpi_gbl_sleep_type_a,
&acpi_gbl_sleep_type_b);
@@ -349,6 +349,7 @@ ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep)
* FUNCTION: acpi_enter_sleep_state
*
* PARAMETERS: sleep_state - Which sleep state to enter
+ * Flags - ACPI_EXECUTE_GTS to run optional method
*
* RETURN: Status
*
@@ -356,7 +357,7 @@ ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep)
* THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED
*
******************************************************************************/
-acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
+acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state, u8 flags)
{
acpi_status status;
@@ -369,7 +370,8 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
return_ACPI_STATUS(AE_AML_OPERAND_VALUE);
}
- status = acpi_hw_sleep_dispatch(sleep_state, ACPI_SLEEP_FUNCTION);
+ status =
+ acpi_hw_sleep_dispatch(sleep_state, flags, ACPI_SLEEP_FUNCTION_ID);
return_ACPI_STATUS(status);
}
@@ -380,6 +382,7 @@ ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state)
* FUNCTION: acpi_leave_sleep_state_prep
*
* PARAMETERS: sleep_state - Which sleep state we are exiting
+ * Flags - ACPI_EXECUTE_BFS to run optional method
*
* RETURN: Status
*
@@ -388,13 +391,15 @@ ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state)
* Called with interrupts DISABLED.
*
******************************************************************************/
-acpi_status acpi_leave_sleep_state_prep(u8 sleep_state)
+acpi_status acpi_leave_sleep_state_prep(u8 sleep_state, u8 flags)
{
acpi_status status;
ACPI_FUNCTION_TRACE(acpi_leave_sleep_state_prep);
- status = acpi_hw_sleep_dispatch(sleep_state, ACPI_WAKE_PREP_FUNCTION);
+ status =
+ acpi_hw_sleep_dispatch(sleep_state, flags,
+ ACPI_WAKE_PREP_FUNCTION_ID);
return_ACPI_STATUS(status);
}
@@ -419,7 +424,7 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state)
ACPI_FUNCTION_TRACE(acpi_leave_sleep_state);
- status = acpi_hw_sleep_dispatch(sleep_state, ACPI_WAKE_FUNCTION);
+ status = acpi_hw_sleep_dispatch(sleep_state, 0, ACPI_WAKE_FUNCTION_ID);
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 4fda549fa59..8f1fb4520d2 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -250,7 +250,8 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
switch (acpi_state) {
case ACPI_STATE_S1:
barrier();
- status = acpi_enter_sleep_state(acpi_state);
+ status = acpi_enter_sleep_state(acpi_state,
+ ACPI_NO_OPTIONAL_METHODS);
break;
case ACPI_STATE_S3:
@@ -265,7 +266,7 @@ static int acpi_suspend_enter(suspend_state_t pm_state)
acpi_write_bit_register(ACPI_BITREG_SCI_ENABLE, 1);
/* Reprogram control registers and execute _BFS */
- acpi_leave_sleep_state_prep(acpi_state);
+ acpi_leave_sleep_state_prep(acpi_state, ACPI_NO_OPTIONAL_METHODS);
/* ACPI 3.0 specs (P62) says that it's the responsibility
* of the OSPM to clear the status bit [ implying that the
@@ -534,9 +535,9 @@ static int acpi_hibernation_enter(void)
ACPI_FLUSH_CPU_CACHE();
/* This shouldn't return. If it returns, we have a problem */
- status = acpi_enter_sleep_state(ACPI_STATE_S4);
+ status = acpi_enter_sleep_state(ACPI_STATE_S4, ACPI_NO_OPTIONAL_METHODS);
/* Reprogram control registers and execute _BFS */
- acpi_leave_sleep_state_prep(ACPI_STATE_S4);
+ acpi_leave_sleep_state_prep(ACPI_STATE_S4, ACPI_NO_OPTIONAL_METHODS);
return ACPI_SUCCESS(status) ? 0 : -EFAULT;
}
@@ -549,7 +550,7 @@ static void acpi_hibernation_leave(void)
*/
acpi_enable();
/* Reprogram control registers and execute _BFS */
- acpi_leave_sleep_state_prep(ACPI_STATE_S4);
+ acpi_leave_sleep_state_prep(ACPI_STATE_S4, ACPI_NO_OPTIONAL_METHODS);
/* Check the hardware signature */
if (facs && s4_hardware_signature != facs->hardware_signature) {
printk(KERN_EMERG "ACPI: Hardware changed while hibernated, "
@@ -773,7 +774,7 @@ static void acpi_power_off(void)
/* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */
printk(KERN_DEBUG "%s called\n", __func__);
local_irq_disable();
- acpi_enter_sleep_state(ACPI_STATE_S5);
+ acpi_enter_sleep_state(ACPI_STATE_S5, ACPI_NO_OPTIONAL_METHODS);
}
/*
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-23 18:26:41 +0000