linux-kernel - [PATCH] drm/xe: Declare __xe_lrc_*_ggtt_addr with __maybe_

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Message-Id: <20240204062324.3548268-1-dawei.li@shingroup.cn>
Date: Sun,  4 Feb 2024 14:23:24 +0800
From: Dawei Li <dawei.li@...ngroup.cn>
To: lucas.demarchi@...el.com,
	ogabbay@...nel.org,
	thomas.hellstrom@...ux.intel.com
Cc: maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org,
	tzimmermann@...e.de,
	airlied@...il.com,
	daniel@...ll.ch,
	intel-xe@...ts.freedesktop.org,
	dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	Dawei Li <dawei.li@...ngroup.cn>,
	kernel test robot <lkp@...el.com>
Subject: [PATCH] drm/xe: Declare __xe_lrc_*_ggtt_addr with __maybe__unused

Kernel test robot reports building error:

drivers/gpu/drm/xe/xe_lrc.c:544:1: error: unused function
'__xe_lrc_regs_ggtt_addr' [-Werror,-Wunused-function]
544 | DECL_MAP_ADDR_HELPERS(regs)
    | ^~~~~~~~~~~~~~~~~~~~~~~~~~~

drivers/gpu/drm/xe/xe_lrc.c:536:19: note: expanded from macro
'DECL_MAP_ADDR_HELPERS'
536 | static inline u32 __xe_lrc_##elem##_ggtt_addr(struct xe_lrc *lrc) \
    |                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~

<scratch space>:54:1: note: expanded from here
54 | __xe_lrc_regs_ggtt_addr
   | ^~~~~~~~~~~~~~~~~~~~~~~

1 error generated.

Declare __xe_lrc_*_ggtt_addr with __maybe_unused to address it.

Reported-by: kernel test robot <lkp@...el.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202402010928.g3j2aSBL-lkp@intel.com/
Signed-off-by: Dawei Li <dawei.li@...ngroup.cn>
---
 drivers/gpu/drm/xe/xe_lrc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_lrc.c b/drivers/gpu/drm/xe/xe_lrc.c
index 0ec5ad2539f1..f70e60a2f8a3 100644
--- a/drivers/gpu/drm/xe/xe_lrc.c
+++ b/drivers/gpu/drm/xe/xe_lrc.c
@@ -614,7 +614,7 @@ static inline struct iosys_map __xe_lrc_##elem##_map(struct xe_lrc *lrc) \
 	iosys_map_incr(&map, __xe_lrc_##elem##_offset(lrc)); \
 	return map; \
 } \
-static inline u32 __xe_lrc_##elem##_ggtt_addr(struct xe_lrc *lrc) \
+static inline u32 __maybe_unused __xe_lrc_##elem##_ggtt_addr(struct xe_lrc *lrc) \
 { \
 	return xe_bo_ggtt_addr(lrc->bo) + __xe_lrc_##elem##_offset(lrc); \
 } \
-- 
2.27.0