summaryrefslogtreecommitdiff
path: root/drivers/bus/ti-sysc.c
diff options
context:
space:
mode:
authorRob Herring <robh@kernel.org>2023-02-01 16:00:02 -0600
committerTony Lindgren <tony@atomide.com>2023-03-27 10:14:45 +0300
commit41e4f807f85d02a44426b87e01ed98b191dbbf9d (patch)
tree5edf22b5040b50736b17c6ba5ea6f5444131876c /drivers/bus/ti-sysc.c
parentfe15c26ee26efa11741a7b632e9f23b01aca4cc6 (diff)
bus: ti-sysc: Remove open coded "ranges" parsing
"ranges" is a standard property and we have common helper functions for parsing it, so let's use them. Signed-off-by: Rob Herring <robh@kernel.org> Message-Id: <20230201220002.246907-1-robh@kernel.org> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'drivers/bus/ti-sysc.c')
-rw-r--r--drivers/bus/ti-sysc.c41
1 files changed, 9 insertions, 32 deletions
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
index 6afae9897843..9c8985515376 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;
}