We get 1 warning when building kernel with W=1:
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c:37:6: warning: no previous prototype for 'amdgpu_pm_acpi_event_handler' [-Wmissing-prototypes]
In fact, it need to declare it in a header files.
So this patch adds the declaration in
drivers/gpu/drm/amd/amdgpu/amdgpu.h.
Signed-off-by: Baoyou Xie <baoyou.xie@xxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 +
drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 1 -
2 files changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 6a75a48..e88a9ac 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1645,6 +1645,7 @@ struct amdgpu_pm {
};
void amdgpu_get_pcie_info(struct amdgpu_device *adev);
+void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev);
/*
* UVD
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
index 5cd7b73..eaaba0d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
@@ -32,7 +32,6 @@
#include "amd_acpi.h"
#include "atom.h"
-extern void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev);
/* Call the ATIF method
*/
/**
--
2.7.4
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