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From: Martin Schiller <ms@dev.tdt.de>
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Subject: [PATCH net-next 06/13] net: dsa: lantiq_gswip: Use dsa_is_cpu_port() in gswip_port_change_mtu()
Date: Thu,  6 Jun 2024 10:52:27 +0200
Message-ID: <20240606085234.565551-7-ms@dev.tdt.de>
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From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>

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 <martin.blumenstingl@googlemail.com>
---
 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_gswi=
p.c
index 38b5f743e5ee..789b8a1076f1 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 ne=
w_mtu)
 {
 	struct gswip_priv *priv =3D ds->priv;
-	int cpu_port =3D priv->hw_info->cpu_port;
=20
 	/* CPU port always has maximum mtu of user ports, so use it to set
 	 * switch frame size, including 8 byte special header.
 	 */
-	if (port =3D=3D cpu_port) {
+	if (dsa_is_cpu_port(ds, port)) {
 		new_mtu +=3D 8;
 		gswip_switch_w(priv, VLAN_ETH_HLEN + new_mtu + ETH_FCS_LEN,
 			       GSWIP_MAC_FLEN);
--=20
2.39.2