net: ethernet: mvneta: Do not error out in non serdes modes

In mvneta_config_interface() the RGMII modes are catched by the default
case which is an error return. The RGMII modes are valid modes for the
driver, so instead of returning an error add a break statement to return
successfully.

This avoids this warning for non comphy SoCs which use RGMII, like
SolidRun Clearfog:

WARNING: CPU: 0 PID: 268 at drivers/net/ethernet/marvell/mvneta.c:3512 mvneta_start_dev+0x220/0x23c

Fixes: b4748553f5 ("net: ethernet: mvneta: Fix Serdes configuration for SoCs without comphy")
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sascha Hauer 2020-06-24 09:00:44 +02:00 committed by David S. Miller
parent 1ed9ec9b08
commit d3d239dcb8

View File

@ -3571,7 +3571,7 @@ static int mvneta_config_interface(struct mvneta_port *pp,
MVNETA_HSGMII_SERDES_PROTO);
break;
default:
return -EINVAL;
break;
}
}