clk_register_apb_mul 1797 drivers/clk/clk-stm32f4.c 	clk_register_apb_mul(NULL, "apb1_mul", "apb1_div",
clk_register_apb_mul 1803 drivers/clk/clk-stm32f4.c 	clk_register_apb_mul(NULL, "apb2_mul", "apb2_div",