[PATCH 27/57] staging: vt6655: upc: Suppress set but not used warning in macro

[Lee Jones]

The variable is used in the function using the macro.

Fixes the following W=1 kernel build warning(s):

 drivers/staging/vt6655/upc.h:45:16: warning: variable ‘byData’ set but not 
used [-Wunused-but-set-variable]

Cc: Forest Bond <for...@alittletooquiet.net>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Cc: linux-stag...@lists.linux.dev
Signed-off-by: Lee Jones <lee.jo...@linaro.org>
---
 drivers/staging/vt6655/upc.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/vt6655/upc.h b/drivers/staging/vt6655/upc.h
index e086ec6e77f73..8608693ae9c3e 100644
--- a/drivers/staging/vt6655/upc.h
+++ b/drivers/staging/vt6655/upc.h
@@ -42,7 +42,7 @@
 
 #define PCAvDelayByIO(uDelayUnit)                              \
 do {                                                           \
-       unsigned char byData;                                   \
+       unsigned char __maybe_unused byData;                    \
        unsigned long ii;                                       \
                                                                \
        if (uDelayUnit <= 50) {                                 \
-- 
2.27.0