From 94885fbd042b61eec97f20ea06a9e96fb05f5492 Mon Sep 17 00:00:00 2001
From: Warner Losh <imp@FreeBSD.org>
Date: Mon, 4 Apr 2022 20:12:44 -0600
Subject: [PATCH] ppc_detect_fifo: eliminate write only variable cc

Sponsored by:		Netflix
---
 sys/dev/ppc/ppc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/dev/ppc/ppc.c b/sys/dev/ppc/ppc.c
index 1004c6b4643..afc9e4b2dd9 100644
--- a/sys/dev/ppc/ppc.c
+++ b/sys/dev/ppc/ppc.c
@@ -164,7 +164,7 @@ static int
 ppc_detect_fifo(struct ppc_data *ppc)
 {
 	char ecr_sav;
-	char ctr_sav, ctr, cc;
+	char ctr_sav, ctr;
 	short i;
 
 	/* save registers */
@@ -194,7 +194,7 @@ ppc_detect_fifo(struct ppc_data *ppc)
 	for (i=0; i<1024; i++) {
 		if (r_ecr(ppc) & PPC_FIFO_EMPTY)
 			break;
-		cc = r_fifo(ppc);
+		r_fifo(ppc);
 	}
 
 	if (i >= 1024) {