CLK_LSE 1843 drivers/clk/clk-stm32f4.c clks[CLK_LSE] = clk_register_rgate(NULL, "lse", "clk-lse", 0, CLK_LSE 1846 drivers/clk/clk-stm32f4.c if (IS_ERR(clks[CLK_LSE])) {