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David Wu authored
Add a check for non-null struct rk_gmac_ops for the configured PHY interface mode, failing if unsupported. Signed-off-by: David Wu <david.wu@rock-chips.com> [Ezequiel: Refactor so it fails if unsupported] Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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