{
        struct clk *apll, *mpll, *epll, *vpll;
 
-       if (np) {
-               reg_base = of_iomap(np, 0);
-               if (!reg_base)
-                       panic("%s: failed to map registers\n", __func__);
-       }
+       reg_base = of_iomap(np, 0);
+       if (!reg_base)
+               panic("%s: failed to map registers\n", __func__);
 
        if (exynos4_soc == EXYNOS4210)
                samsung_clk_init(np, reg_base, nr_clks,
                        exynos4_clk_regs, ARRAY_SIZE(exynos4_clk_regs),
                        exynos4x12_clk_save, ARRAY_SIZE(exynos4x12_clk_save));
 
-       if (np)
-               samsung_clk_of_register_fixed_ext(exynos4_fixed_rate_ext_clks,
+       samsung_clk_of_register_fixed_ext(exynos4_fixed_rate_ext_clks,
                        ARRAY_SIZE(exynos4_fixed_rate_ext_clks),
                        ext_clk_match);