Building with clang and and W=1 leads to warning about unused
dw_hdmi_dwc_write_bits(). Fix by annotating it with __maybe_unused.

See also commit 6863f5643dd7 ("kbuild: allow Clang to find unused static
inline functions for W=1 build").

Signed-off-by: Jani Nikula <jani.nik...@intel.com>

---

Cc: Neil Armstrong <neil.armstr...@linaro.org>
Cc: linux-amlo...@lists.infradead.org
Cc: Nathan Chancellor <nat...@kernel.org>
---
 drivers/gpu/drm/meson/meson_dw_hdmi.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c 
b/drivers/gpu/drm/meson/meson_dw_hdmi.c
index 5565f7777529..8d99d70a36e3 100644
--- a/drivers/gpu/drm/meson/meson_dw_hdmi.c
+++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c
@@ -273,10 +273,10 @@ static inline void dw_hdmi_g12a_dwc_write(struct 
meson_dw_hdmi *dw_hdmi,
 }
 
 /* Helper to change specific bits in controller registers */
-static inline void dw_hdmi_dwc_write_bits(struct meson_dw_hdmi *dw_hdmi,
-                                         unsigned int addr,
-                                         unsigned int mask,
-                                         unsigned int val)
+static inline __maybe_unused void dw_hdmi_dwc_write_bits(struct meson_dw_hdmi 
*dw_hdmi,
+                                                        unsigned int addr,
+                                                        unsigned int mask,
+                                                        unsigned int val)
 {
        unsigned int data = dw_hdmi->data->dwc_read(dw_hdmi, addr);
 
-- 
2.39.2

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