#define OF_CHECK_COUNTS(na, ns) (OF_CHECK_ADDR_COUNT(na) && (ns) > 0)
static struct of_bus *of_match_bus(struct device_node *np);
-static int __of_address_to_resource(struct device_node *dev,
- const __be32 *addrp, u64 size, unsigned int flags,
- const char *name, struct resource *r);
+static int __of_address_to_resource(struct device_node *dev, int index,
+ int bar_no, struct resource *r);
static bool of_mmio_is_nonposted(struct device_node *np);
/* Debug utility */
int of_pci_address_to_resource(struct device_node *dev, int bar,
struct resource *r)
{
- const __be32 *addrp;
- u64 size;
- unsigned int flags;
if (!IS_ENABLED(CONFIG_PCI))
return -ENOSYS;
- addrp = of_get_pci_address(dev, bar, &size, &flags);
- if (addrp == NULL)
- return -EINVAL;
- return __of_address_to_resource(dev, addrp, size, flags, NULL, r);
+ return __of_address_to_resource(dev, -1, bar, r);
}
EXPORT_SYMBOL_GPL(of_pci_address_to_resource);
return port;
}
-static int __of_address_to_resource(struct device_node *dev,
- const __be32 *addrp, u64 size, unsigned int flags,
- const char *name, struct resource *r)
+static int __of_address_to_resource(struct device_node *dev, int index, int bar_no,
+ struct resource *r)
{
u64 taddr;
+ const __be32 *addrp;
+ u64 size;
+ unsigned int flags;
+ const char *name = NULL;
+
+ addrp = __of_get_address(dev, index, bar_no, &size, &flags);
+ if (addrp == NULL)
+ return -EINVAL;
+
+ /* Get optional "reg-names" property to add a name to a resource */
+ if (index >= 0)
+ of_property_read_string_index(dev, "reg-names", index, &name);
if (flags & IORESOURCE_MEM)
taddr = of_translate_address(dev, addrp);
int of_address_to_resource(struct device_node *dev, int index,
struct resource *r)
{
- const __be32 *addrp;
- u64 size;
- unsigned int flags;
- const char *name = NULL;
-
- addrp = of_get_address(dev, index, &size, &flags);
- if (addrp == NULL)
- return -EINVAL;
-
- /* Get optional "reg-names" property to add a name to a resource */
- of_property_read_string_index(dev, "reg-names", index, &name);
-
- return __of_address_to_resource(dev, addrp, size, flags, name, r);
+ return __of_address_to_resource(dev, index, -1, r);
}
EXPORT_SYMBOL_GPL(of_address_to_resource);