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

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

.../i915_sw_fence.c:118:20: error: unused function 'debug_fence_free' [-Werror,-Wunused-function]
  118 | static inline void debug_fence_free(struct i915_sw_fence *fence)
      |                    ^~~~~~~~~~~~~~~~

Fix this by marking debug_fence_free() with __maybe_unused.

Fixes: fc1584059d6c ("drm/i915: Integrate i915_sw_fence with debugobjects")
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 d4020ff3549a..1d4cc91c0e40 100644
--- a/drivers/gpu/drm/i915/i915_sw_fence.c
+++ b/drivers/gpu/drm/i915/i915_sw_fence.c
@@ -77,7 +77,7 @@ static inline void debug_fence_destroy(struct i915_sw_fence *fence)
 	debug_object_destroy(fence, &i915_sw_fence_debug_descr);
 }
 
-static inline void debug_fence_free(struct i915_sw_fence *fence)
+static inline __maybe_unused void debug_fence_free(struct i915_sw_fence *fence)
 {
 	debug_object_free(fence, &i915_sw_fence_debug_descr);
 	smp_wmb(); /* flush the change in state before reallocation */
@@ -115,7 +115,7 @@ static inline void debug_fence_destroy(struct i915_sw_fence *fence)
 {
 }
 
-static inline void debug_fence_free(struct i915_sw_fence *fence)
+static inline __maybe_unused void debug_fence_free(struct i915_sw_fence *fence)
 {
 }
 
-- 
2.43.0.rc1.1336.g36b5255a03ac




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