On Wed, Jun 24, 2020 at 09:00:44AM +0200, Sascha Hauer wrote:
> 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
>
> Signed-off-by: Sascha Hauer <s.ha...@pengutronix.de>
Fixes: b4748553f53f ("net: ethernet: mvneta: Fix Serdes configuration for SoCs
without comphy")
Reviewed-by: Russell King <rmk+ker...@armlinux.org.uk>
Thanks.
> ---
> drivers/net/ethernet/marvell/mvneta.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/marvell/mvneta.c
> b/drivers/net/ethernet/marvell/mvneta.c
> index af60001728481..c4552f868157c 100644
> --- a/drivers/net/ethernet/marvell/mvneta.c
> +++ b/drivers/net/ethernet/marvell/mvneta.c
> @@ -3571,7 +3571,7 @@ static int mvneta_config_interface(struct mvneta_port
> *pp,
> MVNETA_HSGMII_SERDES_PROTO);
> break;
> default:
> - return -EINVAL;
> + break;
> }
> }
>
> --
> 2.27.0
>
>
--
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