From 7168ec1b06691295db6b335e5f5f6c86c7061213 Mon Sep 17 00:00:00 2001 From: Martin Blumenstingl Date: Tue, 11 Jun 2024 15:54:29 +0200 Subject: [PATCH] net: dsa: lantiq_gswip: Use dsa_is_cpu_port() in gswip_port_change_mtu() Make the check for the CPU port in gswip_port_change_mtu() consistent with other areas of the driver by using dsa_is_cpu_port(). Signed-off-by: Martin Blumenstingl Reviewed-by: Vladimir Oltean Acked-by: Hauke Mehrtens Signed-off-by: Martin Schiller Link: https://lore.kernel.org/r/20240611135434.3180973-8-ms@dev.tdt.de Signed-off-by: Jakub Kicinski --- drivers/net/dsa/lantiq_gswip.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/dsa/lantiq_gswip.c b/drivers/net/dsa/lantiq_gswip.c index 8ec329d0c136..58c069f964dd 100644 --- a/drivers/net/dsa/lantiq_gswip.c +++ b/drivers/net/dsa/lantiq_gswip.c @@ -1464,12 +1464,11 @@ static int gswip_port_max_mtu(struct dsa_switch *ds, int port) static int gswip_port_change_mtu(struct dsa_switch *ds, int port, int new_mtu) { struct gswip_priv *priv = ds->priv; - int cpu_port = priv->hw_info->cpu_port; /* CPU port always has maximum mtu of user ports, so use it to set * switch frame size, including 8 byte special header. */ - if (port == cpu_port) { + if (dsa_is_cpu_port(ds, port)) { new_mtu += 8; gswip_switch_w(priv, VLAN_ETH_HLEN + new_mtu + ETH_FCS_LEN, GSWIP_MAC_FLEN);