[PATCH v1 1/2] drm/i915/fence: Mark debug_fence_init_onstack() with __maybe_unused

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When debug_fence_init_onstack() unused, it
prevents kernel builds with `make W=1` and CONFIG_WERROR=y:

.../i915_sw_fence.c:97:20: error: unused function 'debug_fence_init_onstack' [-Werror,-Wunused-function]
   97 | static inline void debug_fence_init_onstack(struct i915_sw_fence *fence)
      |                    ^~~~~~~~~~~~~~~~~~~~~~~~

Fix this by marking debug_fence_init_onstack() with __maybe_unused.

Fixes: 214707fc2ce0 ("drm/i915/selftests: Wrap a timer into a i915_sw_fence")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_sw_fence.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_sw_fence.c b/drivers/gpu/drm/i915/i915_sw_fence.c
index 8a9aad523eec..d4020ff3549a 100644
--- a/drivers/gpu/drm/i915/i915_sw_fence.c
+++ b/drivers/gpu/drm/i915/i915_sw_fence.c
@@ -51,7 +51,7 @@ static inline void debug_fence_init(struct i915_sw_fence *fence)
 	debug_object_init(fence, &i915_sw_fence_debug_descr);
 }
 
-static inline void debug_fence_init_onstack(struct i915_sw_fence *fence)
+static inline __maybe_unused void debug_fence_init_onstack(struct i915_sw_fence *fence)
 {
 	debug_object_init_on_stack(fence, &i915_sw_fence_debug_descr);
 }
@@ -94,7 +94,7 @@ static inline void debug_fence_init(struct i915_sw_fence *fence)
 {
 }
 
-static inline void debug_fence_init_onstack(struct i915_sw_fence *fence)
+static inline __maybe_unused void debug_fence_init_onstack(struct i915_sw_fence *fence)
 {
 }
 
-- 
2.43.0.rc1.1336.g36b5255a03ac




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