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01e5943ac1
clk_prepare, clk_enable and their counterparts (at least the common clk ones, but also most others) do check for the clk being NULL anyhow (and return 0 then), so there is no gain when the caller checks, too. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Fugang Duan <fugang.duan@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>