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

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[ 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 <s.hauer@pengutronix.de>
Reviewed-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sascha Hauer 2020-06-24 09:00:44 +02:00 • committed by Greg Kroah-Hartman
commit beee39d71e
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/marvell/mvneta.c
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@ -3206,7 +3206,7 @@ static int mvneta_config_interface(struct mvneta_port *pp,
MVNETA_HSGMII_SERDES_PROTO);
break;
default:
return -EINVAL;
break;
}
}