2 files changed, 23 insertions, 49 deletions

diff --git a/drivers/bus/imx-weim.c b/drivers/bus/imx-weim.c
index 2a6b4f676458..a8fd41e8114e 100644
--- a/drivers/bus/imx-weim.c
+++ b/drivers/bus/imx-weim.c
@@ -10,6 +10,7 @@
 #include <linux/module.h>
 #include <linux/clk.h>
 #include <linux/io.h>
+#include <linux/of_address.h>
 #include <linux/of_device.h>
 #include <linux/mfd/syscon.h>
 #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
@@ -86,8 +87,8 @@ MODULE_DEVICE_TABLE(of, weim_id_table);
 static int imx_weim_gpr_setup(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
-	struct property *prop;
-	const __be32 *p;
+	struct of_range_parser parser;
+	struct of_range range;
 	struct regmap *gpr;
 	u32 gprvals[4] = {
 		05,	/* CS0(128M) CS1(0M)  CS2(0M)  CS3(0M)  */
@@ -106,13 +107,13 @@ static int imx_weim_gpr_setup(struct platform_device *pdev)
 		return 0;
 	}
 
-	of_property_for_each_u32(np, "ranges", prop, p, val) {
-		if (i % 4 == 0) {
-			cs = val;
-		} else if (i % 4 == 3 && val) {
-			val = (val / SZ_32M) | 1;
-			gprval |= val << cs * 3;
-		}
+	if (of_range_parser_init(&parser, np))
+		goto err;
+
+	for_each_of_range(&parser, &range) {
+		cs = range.bus_addr >> 32;
+		val = (range.size / SZ_32M) | 1;
+		gprval |= val << cs * 3;
 		i++;
 	}
 
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
index 6afae9897843..6c49de37d5e9 100644
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -648,43 +648,20 @@ static int sysc_init_resets(struct sysc *ddata)
 static int sysc_parse_and_check_child_range(struct sysc *ddata)
 {
 	struct device_node *np = ddata->dev->of_node;
-	const __be32 *ranges;
-	u32 nr_addr, nr_size;
-	int len, error;
-
-	ranges = of_get_property(np, "ranges", &len);
-	if (!ranges) {
-		dev_err(ddata->dev, "missing ranges for %pOF\n", np);
-
-		return -ENOENT;
-	}
-
-	len /= sizeof(*ranges);
-
-	if (len < 3) {
-		dev_err(ddata->dev, "incomplete ranges for %pOF\n", np);
-
-		return -EINVAL;
-	}
-
-	error = of_property_read_u32(np, "#address-cells", &nr_addr);
-	if (error)
-		return -ENOENT;
+	struct of_range_parser parser;
+	struct of_range range;
+	int error;
 
-	error = of_property_read_u32(np, "#size-cells", &nr_size);
+	error = of_range_parser_init(&parser, np);
 	if (error)
-		return -ENOENT;
-
-	if (nr_addr != 1 || nr_size != 1) {
-		dev_err(ddata->dev, "invalid ranges for %pOF\n", np);
+		return error;
 
-		return -EINVAL;
+	for_each_of_range(&parser, &range) {
+		ddata->module_pa = range.cpu_addr;
+		ddata->module_size = range.size;
+		break;
 	}
 
-	ranges++;
-	ddata->module_pa = of_translate_address(np, ranges++);
-	ddata->module_size = be32_to_cpup(ranges);
-
 	return 0;
 }
 
@@ -913,7 +890,7 @@ static int sysc_check_registers(struct sysc *ddata)
  * within the interconnect target module range. For example, SGX has
  * them at offset 0x1fc00 in the 32MB module address space. And cpsw
  * has them at offset 0x1200 in the CPSW_WR child. Usually the
- * the interconnect target module registers are at the beginning of
+ * interconnect target module registers are at the beginning of
  * the module range though.
  */
 static int sysc_ioremap(struct sysc *ddata)
@@ -964,7 +941,7 @@ static int sysc_map_and_check_registers(struct sysc *ddata)
 
 	sysc_check_children(ddata);
 
-	if (!of_get_property(np, "reg", NULL))
+	if (!of_property_present(np, "reg"))
 		return 0;
 
 	error = sysc_parse_registers(ddata);
@@ -2530,11 +2507,9 @@ static struct dev_pm_domain sysc_child_pm_domain = {
 static void sysc_reinit_modules(struct sysc_soc_info *soc)
 {
 	struct sysc_module *module;
-	struct list_head *pos;
 	struct sysc *ddata;
 
-	list_for_each(pos, &sysc_soc->restored_modules) {
-		module = list_entry(pos, struct sysc_module, node);
+	list_for_each_entry(module, &sysc_soc->restored_modules, node) {
 		ddata = module->ddata;
 		sysc_reinit_module(ddata, ddata->enabled);
 	}
@@ -3214,12 +3189,10 @@ static void sysc_cleanup_static_data(void)
 static int sysc_check_disabled_devices(struct sysc *ddata)
 {
 	struct sysc_address *disabled_module;
-	struct list_head *pos;
 	int error = 0;
 
 	mutex_lock(&sysc_soc->list_lock);
-	list_for_each(pos, &sysc_soc->disabled_modules) {
-		disabled_module = list_entry(pos, struct sysc_address, node);
+	list_for_each_entry(disabled_module, &sysc_soc->disabled_modules, node) {
 		if (ddata->module_pa == disabled_module->base) {
 			dev_dbg(ddata->dev, "module disabled for this SoC\n");
 			error = -ENODEV;