net: fec: handle optional clk_ptp more gracefully
When the optional clk_ptp is absent, we can just set it to NULL, and clk API will just handle it gracefully. It saves us from checking clk_ptp whenever calling into clk API. Also since clk_ptp is optional, the "ret" variable shouldn't be set in case that the clock is absent. Signed-off-by:Shawn Guo <shawn.guo@linaro.org> Acked-by:
David S. Miller <davem@davemloft.net>
parent
e933a1a1
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