clk: rockchip: release io resource when failing to init clk

We should call iounmap to relase reg_base since it's not going
to be used any more if failing to init clk.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

drivers/clk/rockchip/clk-rk3036.c

@@ -453,6 +453,7 @@ static void __init rk3036_clk_init(struct device_node *np)
 	ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
 	if (IS_ERR(ctx)) {
 		pr_err("%s: rockchip clk init failed\n", __func__);
+		iounmap(reg_base);
 		return;
 	}
 

drivers/clk/rockchip/clk-rk3188.c

@@ -773,6 +773,7 @@ static struct rockchip_clk_provider *__init rk3188_common_clk_init(struct device
 	ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
 	if (IS_ERR(ctx)) {
 		pr_err("%s: rockchip clk init failed\n", __func__);
+		iounmap(reg_base);
 		return ERR_PTR(-ENOMEM);
 	}
 

drivers/clk/rockchip/clk-rk3228.c

@@ -640,6 +640,7 @@ static void __init rk3228_clk_init(struct device_node *np)
 	ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
 	if (IS_ERR(ctx)) {
 		pr_err("%s: rockchip clk init failed\n", __func__);
+		iounmap(reg_base);
 		return;
 	}
 

drivers/clk/rockchip/clk-rk3288.c

@@ -893,6 +893,7 @@ static void __init rk3288_clk_init(struct device_node *np)
 	ctx = rockchip_clk_init(np, rk3288_cru_base, CLK_NR_CLKS);
 	if (IS_ERR(ctx)) {
 		pr_err("%s: rockchip clk init failed\n", __func__);
+		iounmap(rk3288_cru_base);
 		return;
 	}
 

drivers/clk/rockchip/clk-rk3368.c

@@ -875,6 +875,7 @@ static void __init rk3368_clk_init(struct device_node *np)
 	ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
 	if (IS_ERR(ctx)) {
 		pr_err("%s: rockchip clk init failed\n", __func__);
+		iounmap(reg_base);
 		return;
 	}