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-rw-r--r--drivers/of/of_pci.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/of/of_pci.c b/drivers/of/of_pci.c
index 0162e4ba30e2..e9ec931f5b9a 100644
--- a/drivers/of/of_pci.c
+++ b/drivers/of/of_pci.c
@@ -57,15 +57,14 @@ EXPORT_SYMBOL_GPL(of_pci_find_child_device);
*/
int of_pci_get_devfn(struct device_node *np)
{
- unsigned int size;
- const __be32 *reg;
-
- reg = of_get_property(np, "reg", &size);
+ u32 reg[5];
+ int error;
- if (!reg || size < 5 * sizeof(__be32))
- return -EINVAL;
+ error = of_property_read_u32_array(np, "reg", reg, ARRAY_SIZE(reg));
+ if (error)
+ return error;
- return (be32_to_cpup(reg) >> 8) & 0xff;
+ return (reg[0] >> 8) & 0xff;
}
EXPORT_SYMBOL_GPL(of_pci_get_devfn);
@@ -78,16 +77,17 @@ EXPORT_SYMBOL_GPL(of_pci_get_devfn);
*/
int of_pci_parse_bus_range(struct device_node *node, struct resource *res)
{
- const __be32 *values;
- int len;
+ u32 bus_range[2];
+ int error;
- values = of_get_property(node, "bus-range", &len);
- if (!values || len < sizeof(*values) * 2)
- return -EINVAL;
+ error = of_property_read_u32_array(node, "bus-range", bus_range,
+ ARRAY_SIZE(bus_range));
+ if (error)
+ return error;
res->name = node->name;
- res->start = be32_to_cpup(values++);
- res->end = be32_to_cpup(values);
+ res->start = bus_range[0];
+ res->end = bus_range[1];
res->flags = IORESOURCE_BUS;
return 0;