+From dadd7a1aa1eaebd5a03dee933c9051eae3724f00 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
+Date: Thu, 9 Mar 2023 19:18:07 +0100
+Subject: [PATCH] net: dsa: b53: mmap: fix device tree support
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+CPU port should also be enabled in order to get a working switch.
+
+Fixes: a5538a777b73 ("net: dsa: b53: mmap: Add device tree support")
+Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
+---
+ drivers/net/dsa/b53/b53_mmap.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
--- a/drivers/net/dsa/b53/b53_mmap.c
+++ b/drivers/net/dsa/b53/b53_mmap.c
@@ -263,7 +263,7 @@ static int b53_mmap_probe_of(struct plat
continue;
- if (reg < B53_CPU_PORT)
-+ if (reg <= B53_CPU_PORT)
++ if (reg < B53_N_PORTS)
pdata->enabled_ports |= BIT(reg);
}