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-rw-r--r--drivers/acpi/acpica/achware.h2
-rw-r--r--drivers/acpi/acpica/evxfgpe.c17
-rw-r--r--drivers/acpi/acpica/hwgpe.c47
-rw-r--r--drivers/acpi/ec.c5
-rw-r--r--drivers/acpi/internal.h1
-rw-r--r--drivers/acpi/sleep.c24
6 files changed, 68 insertions, 28 deletions
diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h
index 6ad0517553d5..ebf6453d0e21 100644
--- a/drivers/acpi/acpica/achware.h
+++ b/drivers/acpi/acpica/achware.h
@@ -101,7 +101,7 @@ acpi_status acpi_hw_enable_all_runtime_gpes(void);
acpi_status acpi_hw_enable_all_wakeup_gpes(void);
-u8 acpi_hw_check_all_gpes(void);
+u8 acpi_hw_check_all_gpes(acpi_handle gpe_skip_device, u32 gpe_skip_number);
acpi_status
acpi_hw_enable_runtime_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c
index f2de66bfd8a7..3be60673e461 100644
--- a/drivers/acpi/acpica/evxfgpe.c
+++ b/drivers/acpi/acpica/evxfgpe.c
@@ -799,17 +799,19 @@ ACPI_EXPORT_SYMBOL(acpi_enable_all_wakeup_gpes)
*
* FUNCTION: acpi_any_gpe_status_set
*
- * PARAMETERS: None
+ * PARAMETERS: gpe_skip_number - Number of the GPE to skip
*
* RETURN: Whether or not the status bit is set for any GPE
*
- * DESCRIPTION: Check the status bits of all enabled GPEs and return TRUE if any
- * of them is set or FALSE otherwise.
+ * DESCRIPTION: Check the status bits of all enabled GPEs, except for the one
+ * represented by the "skip" argument, and return TRUE if any of
+ * them is set or FALSE otherwise.
*
******************************************************************************/
-u32 acpi_any_gpe_status_set(void)
+u32 acpi_any_gpe_status_set(u32 gpe_skip_number)
{
acpi_status status;
+ acpi_handle gpe_device;
u8 ret;
ACPI_FUNCTION_TRACE(acpi_any_gpe_status_set);
@@ -819,7 +821,12 @@ u32 acpi_any_gpe_status_set(void)
return (FALSE);
}
- ret = acpi_hw_check_all_gpes();
+ status = acpi_get_gpe_device(gpe_skip_number, &gpe_device);
+ if (ACPI_FAILURE(status)) {
+ gpe_device = NULL;
+ }
+
+ ret = acpi_hw_check_all_gpes(gpe_device, gpe_skip_number);
(void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
return (ret);
diff --git a/drivers/acpi/acpica/hwgpe.c b/drivers/acpi/acpica/hwgpe.c
index f4c285c2f595..49c46d4dd070 100644
--- a/drivers/acpi/acpica/hwgpe.c
+++ b/drivers/acpi/acpica/hwgpe.c
@@ -444,12 +444,19 @@ acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
return (AE_OK);
}
+struct acpi_gpe_block_status_context {
+ struct acpi_gpe_register_info *gpe_skip_register_info;
+ u8 gpe_skip_mask;
+ u8 retval;
+};
+
/******************************************************************************
*
* FUNCTION: acpi_hw_get_gpe_block_status
*
* PARAMETERS: gpe_xrupt_info - GPE Interrupt info
* gpe_block - Gpe Block info
+ * context - GPE list walk context data
*
* RETURN: Success
*
@@ -460,12 +467,13 @@ acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
static acpi_status
acpi_hw_get_gpe_block_status(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
struct acpi_gpe_block_info *gpe_block,
- void *ret_ptr)
+ void *context)
{
+ struct acpi_gpe_block_status_context *c = context;
struct acpi_gpe_register_info *gpe_register_info;
u64 in_enable, in_status;
acpi_status status;
- u8 *ret = ret_ptr;
+ u8 ret_mask;
u32 i;
/* Examine each GPE Register within the block */
@@ -485,7 +493,11 @@ acpi_hw_get_gpe_block_status(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
continue;
}
- *ret |= in_enable & in_status;
+ ret_mask = in_enable & in_status;
+ if (ret_mask && c->gpe_skip_register_info == gpe_register_info) {
+ ret_mask &= ~c->gpe_skip_mask;
+ }
+ c->retval |= ret_mask;
}
return (AE_OK);
@@ -561,24 +573,41 @@ acpi_status acpi_hw_enable_all_wakeup_gpes(void)
*
* FUNCTION: acpi_hw_check_all_gpes
*
- * PARAMETERS: None
+ * PARAMETERS: gpe_skip_device - GPE devoce of the GPE to skip
+ * gpe_skip_number - Number of the GPE to skip
*
* RETURN: Combined status of all GPEs
*
- * DESCRIPTION: Check all enabled GPEs in all GPE blocks and return TRUE if the
+ * DESCRIPTION: Check all enabled GPEs in all GPE blocks, except for the one
+ * represented by the "skip" arguments, and return TRUE if the
* status bit is set for at least one of them of FALSE otherwise.
*
******************************************************************************/
-u8 acpi_hw_check_all_gpes(void)
+u8 acpi_hw_check_all_gpes(acpi_handle gpe_skip_device, u32 gpe_skip_number)
{
- u8 ret = 0;
+ struct acpi_gpe_block_status_context context = {
+ .gpe_skip_register_info = NULL,
+ .retval = 0,
+ };
+ struct acpi_gpe_event_info *gpe_event_info;
+ acpi_cpu_flags flags;
ACPI_FUNCTION_TRACE(acpi_hw_check_all_gpes);
- (void)acpi_ev_walk_gpe_list(acpi_hw_get_gpe_block_status, &ret);
+ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+
+ gpe_event_info = acpi_ev_get_gpe_event_info(gpe_skip_device,
+ gpe_skip_number);
+ if (gpe_event_info) {
+ context.gpe_skip_register_info = gpe_event_info->register_info;
+ context.gpe_skip_mask = acpi_hw_get_gpe_register_bit(gpe_event_info);
+ }
+
+ acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
- return (ret != 0);
+ (void)acpi_ev_walk_gpe_list(acpi_hw_get_gpe_block_status, &context);
+ return (context.retval != 0);
}
#endif /* !ACPI_REDUCED_HARDWARE */
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index d1f1cf5d4bf0..9b9094b0b73f 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -2037,6 +2037,11 @@ void acpi_ec_set_gpe_wake_mask(u8 action)
acpi_set_gpe_wake_mask(NULL, first_ec->gpe, action);
}
+bool acpi_ec_other_gpes_active(void)
+{
+ return acpi_any_gpe_status_set(first_ec ? first_ec->gpe : U32_MAX);
+}
+
bool acpi_ec_dispatch_gpe(void)
{
u32 ret;
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 3616daec650b..d44c591c4ee4 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -202,6 +202,7 @@ void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
#ifdef CONFIG_PM_SLEEP
void acpi_ec_flush_work(void);
+bool acpi_ec_other_gpes_active(void);
bool acpi_ec_dispatch_gpe(void);
#endif
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index e5f95922bc21..bb1ae400ec1f 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -982,10 +982,7 @@ static int acpi_s2idle_prepare_late(void)
static void acpi_s2idle_sync(void)
{
- /*
- * The EC driver uses the system workqueue and an additional special
- * one, so those need to be flushed too.
- */
+ /* The EC driver uses special workqueues that need to be flushed. */
acpi_ec_flush_work();
acpi_os_wait_events_complete(); /* synchronize Notify handling */
}
@@ -1013,19 +1010,20 @@ static bool acpi_s2idle_wake(void)
return true;
/*
- * If there are no EC events to process and at least one of the
- * other enabled GPEs is active, the wakeup is regarded as a
- * genuine one.
- *
- * Note that the checks below must be carried out in this order
- * to avoid returning prematurely due to a change of the EC GPE
- * status bit from unset to set between the checks with the
- * status bits of all the other GPEs unset.
+ * If the status bit is set for any enabled GPE other than the
+ * EC one, the wakeup is regarded as a genuine one.
*/
- if (acpi_any_gpe_status_set() && !acpi_ec_dispatch_gpe())
+ if (acpi_ec_other_gpes_active())
return true;
/*
+ * If the EC GPE status bit has not been set, the wakeup is
+ * regarded as a spurious one.
+ */
+ if (!acpi_ec_dispatch_gpe())
+ return false;
+
+ /*
* Cancel the wakeup and process all pending events in case
* there are any wakeup ones in there.
*
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-29 20:35:36 +0300