clk_a 416 arch/powerpc/boot/4xx.c u32 clk_a, clk_b; clk_a 447 arch/powerpc/boot/4xx.c clk_a = vco / fwdva; clk_a 453 arch/powerpc/boot/4xx.c clk_a = clk_b = sys_clk; clk_a 456 arch/powerpc/boot/4xx.c cpu = clk_a / pradv0;