diff options
Diffstat (limited to 'drivers/of/of_private.h')
| -rw-r--r-- | drivers/of/of_private.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/of/of_private.h b/drivers/of/of_private.h index ea5a0951ec5e..df0bb00349e0 100644 --- a/drivers/of/of_private.h +++ b/drivers/of/of_private.h @@ -119,6 +119,8 @@ extern void *__unflatten_device_tree(const void *blob, void *(*dt_alloc)(u64 size, u64 align), bool detached); +void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align)); + /** * General utilities for working with live trees. * @@ -188,4 +190,33 @@ void __init fdt_scan_reserved_mem_reg_nodes(void); bool of_fdt_device_is_available(const void *blob, unsigned long node); +/* Max address size we deal with */ +#define OF_MAX_ADDR_CELLS 4 +#define OF_CHECK_ADDR_COUNT(na) ((na) > 0 && (na) <= OF_MAX_ADDR_CELLS) +#define OF_CHECK_COUNTS(na, ns) (OF_CHECK_ADDR_COUNT(na) && (ns) > 0) + +/* Debug utility */ +#ifdef DEBUG +static void __maybe_unused of_dump_addr(const char *s, const __be32 *addr, int na) +{ + pr_debug("%s", s); + while (na--) + pr_cont(" %08x", be32_to_cpu(*(addr++))); + pr_cont("\n"); +} +#else +static void __maybe_unused of_dump_addr(const char *s, const __be32 *addr, int na) { } +#endif + +static inline bool is_pseudo_property(const char *prop_name) +{ + return !of_prop_cmp(prop_name, "name") || + !of_prop_cmp(prop_name, "phandle") || + !of_prop_cmp(prop_name, "linux,phandle"); +} + +#if IS_ENABLED(CONFIG_KUNIT) +int __of_address_resource_bounds(struct resource *r, u64 start, u64 size); +#endif + #endif /* _LINUX_OF_PRIVATE_H */ |