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Sascha Hauer authored
When writing the serdes configuration register was moved to mvneta_config_interface() the whole code block was removed from mvneta_port_power_up() in the assumption that its only purpose was to write the serdes configuration register. As mentioned by Russell King its purpose was also to check for valid interface modes early so that later in the driver we do not have to care for unexpected interface modes. Add back the test to let the driver bail out early on unhandled interface modes. Fixes: b4748553 ("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>
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