net: fec_imx: Make ptp clock optional
The ptp clock doesn't exist on all SoCs, make it optional. In fact it was optional before due to a bug in the driver. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> |
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drivers/net/fec_imx.c |
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drivers/net/fec_imx.h |
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