diff options
| -rw-r--r-- | drivers/of/of_pci.c | 28 |
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; |