From: Lee Jones <lee.jones@linaro.org>
Date: Wed, 14 Apr 2021 18:10:59 +0000 (+0100)
Subject: staging: vt6655: upc: Suppress set but not used warning in macro
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b259c9b2380a1a4150cd2bdda90076d1e3fbd386;p=linux.git

staging: vt6655: upc: Suppress set but not used warning in macro

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 <forest@alittletooquiet.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-staging@lists.linux.dev
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20210414181129.1628598-28-lee.jones@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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) {					\