aboutsummaryrefslogtreecommitdiffstatshomepage
diff options
context:
space:
mode:
authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2019-07-15 13:03:28 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2019-07-23 09:46:13 +0200
commit6921de898ba8f2ec91cfea70e7160b89c477382e (patch)
treeb9128a2b880899f941c05f14e5fda7da5fcbccca
parentPCI: irq: Introduce rearm_wake_irq() (diff)
downloadwireguard-linux-6921de898ba8f2ec91cfea70e7160b89c477382e.tar.xz
wireguard-linux-6921de898ba8f2ec91cfea70e7160b89c477382e.zip
ACPICA: Return u32 from acpi_dispatch_gpe()
In some cases it is useful to know whether or not the acpi_ev_detect_gpe() called by acpi_dispatch_gpe() has found the GPE to be active, so return the return value of it (whose data type is u32) from latter. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Thomas Gleixner <tglx@linutronix.de>
-rw-r--r--drivers/acpi/acpica/evxfgpe.c6
-rw-r--r--include/acpi/acpixf.h8
2 files changed, 10 insertions, 4 deletions
diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c
index 710488ec59e9..04a40d563dd6 100644
--- a/drivers/acpi/acpica/evxfgpe.c
+++ b/drivers/acpi/acpica/evxfgpe.c
@@ -644,17 +644,17 @@ ACPI_EXPORT_SYMBOL(acpi_get_gpe_status)
* PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1
* gpe_number - GPE level within the GPE block
*
- * RETURN: None
+ * RETURN: INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED
*
* DESCRIPTION: Detect and dispatch a General Purpose Event to either a function
* (e.g. EC) or method (e.g. _Lxx/_Exx) handler.
*
******************************************************************************/
-void acpi_dispatch_gpe(acpi_handle gpe_device, u32 gpe_number)
+u32 acpi_dispatch_gpe(acpi_handle gpe_device, u32 gpe_number)
{
ACPI_FUNCTION_TRACE(acpi_dispatch_gpe);
- acpi_ev_detect_gpe(gpe_device, NULL, gpe_number);
+ return acpi_ev_detect_gpe(gpe_device, NULL, gpe_number);
}
ACPI_EXPORT_SYMBOL(acpi_dispatch_gpe)
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 3845c8fcc94e..4ed603a3b448 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -297,6 +297,9 @@ ACPI_GLOBAL(u8, acpi_gbl_system_awake_and_running);
#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
ACPI_EXTERNAL_RETURN_OK(prototype)
+#define ACPI_HW_DEPENDENT_RETURN_UINT32(prototype) \
+ ACPI_EXTERNAL_RETURN_UINT32(prototype)
+
#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
ACPI_EXTERNAL_RETURN_VOID(prototype)
@@ -307,6 +310,9 @@ ACPI_GLOBAL(u8, acpi_gbl_system_awake_and_running);
#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
static ACPI_INLINE prototype {return(AE_OK);}
+#define ACPI_HW_DEPENDENT_RETURN_UINT32(prototype) \
+ static ACPI_INLINE prototype {return(0);}
+
#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
static ACPI_INLINE prototype {return;}
@@ -738,7 +744,7 @@ ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
u32 gpe_number,
acpi_event_status
*event_status))
-ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_dispatch_gpe(acpi_handle gpe_device, u32 gpe_number))
+ACPI_HW_DEPENDENT_RETURN_UINT32(u32 acpi_dispatch_gpe(acpi_handle gpe_device, u32 gpe_number))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_wakeup_gpes(void))