From: Sascha Hauer <[email protected]>

[ Upstream commit d3d239dcb8aae6d7b10642d292b404e57604f7ea ]

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: b4748553f53f ("net: ethernet: mvneta: Fix Serdes configuration for SoCs 
without comphy")
Signed-off-by: Sascha Hauer <[email protected]>
Reviewed-by: Russell King <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
 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 cf26cf4e47aa8..7faeb4bfc282e 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -3565,7 +3565,7 @@ static int mvneta_config_interface(struct mvneta_port *pp,
                                    MVNETA_HSGMII_SERDES_PROTO);
                        break;
                default:
-                       return -EINVAL;
+                       break;
                }
        }
 
-- 
2.25.1



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