ETHDR_CLK_NUM
ret = clk_bulk_prepare_enable(ETHDR_CLK_NUM, priv->ethdr_clk);
clk_bulk_disable_unprepare(ETHDR_CLK_NUM, priv->ethdr_clk);
for (i = 0; i < ETHDR_CLK_NUM; i++)
ret = devm_clk_bulk_get_optional(dev, ETHDR_CLK_NUM, priv->ethdr_clk);
struct clk_bulk_data ethdr_clk[ETHDR_CLK_NUM];