ps2: mark unused-but-set variable unused to avoid warning

Change-Id: If0073d878cfe4c37ea61bc10459e698ebbb47897 Reviewed-on: https://review.haiku-os.org/c/haiku/+/6712 Reviewed-by: Fredrik Holmqvist <[email protected]>
2023-07-24 18:42:51 +00:00
parent 69657d9d4f
commit 70d3b1028a
1 changed files with 3 additions and 1 deletions
@@ -21,8 +21,10 @@
 //#define TRACE_PS2_COMMON
 #ifdef TRACE_PS2_COMMON
 #	define TRACE(x...) dprintf(x)
+#	define TRACE_ONLY
 #else
 #	define TRACE(x...)
+#	define TRACE_ONLY __attribute__((unused))
 #endif


@@ -105,7 +107,7 @@ ps2_flush(void)

 	for (i = 0; i < 64; i++) {
 		uint8 ctrl;
-		uint8 data;
+		uint8 data TRACE_ONLY;
 		ctrl = ps2_read_ctrl();
 		if (!(ctrl & PS2_STATUS_OUTPUT_BUFFER_FULL))
 			break;