diff options
Diffstat (limited to 'drivers/core/of_access.c')
| -rw-r--r-- | drivers/core/of_access.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/core/of_access.c b/drivers/core/of_access.c index 93a6560496..2bb23eef88 100644 --- a/drivers/core/of_access.c +++ b/drivers/core/of_access.c @@ -96,6 +96,30 @@ int of_n_size_cells(const struct device_node *np) return OF_ROOT_NODE_SIZE_CELLS_DEFAULT; } +int of_simple_addr_cells(const struct device_node *np) +{ + const __be32 *ip; + + ip = of_get_property(np, "#address-cells", NULL); + if (ip) + return be32_to_cpup(ip); + + /* Return a default of 2 to match fdt_address_cells()*/ + return 2; +} + +int of_simple_size_cells(const struct device_node *np) +{ + const __be32 *ip; + + ip = of_get_property(np, "#size-cells", NULL); + if (ip) + return be32_to_cpup(ip); + + /* Return a default of 2 to match fdt_size_cells()*/ + return 2; +} + struct property *of_find_property(const struct device_node *np, const char *name, int *lenp) { |