git: 67f6cad3aba8 - main - coresight: Mark a variable only used in a debug trace as unused.

The branch main has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=67f6cad3aba890e4c16f025c082bd3ea49c2e324

commit 67f6cad3aba890e4c16f025c082bd3ea49c2e324
Author:     John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2022-04-09 00:25:14 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2022-04-09 00:25:14 +0000

    coresight: Mark a variable only used in a debug trace as unused.
---
 sys/arm64/coresight/coresight_etm4x.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/arm64/coresight/coresight_etm4x.c b/sys/arm64/coresight/coresight_etm4x.c
index 1b9b3ed71fd6..c587dd47b101 100644
--- a/sys/arm64/coresight/coresight_etm4x.c
+++ b/sys/arm64/coresight/coresight_etm4x.c
@@ -173,7 +173,7 @@ static int
 etm_init(device_t dev)
 {
 	struct etm_softc *sc;
-	uint32_t reg;
+	uint32_t reg __unused;
 
 	sc = device_get_softc(dev);