diff options
Diffstat (limited to 'drivers/of/address.c')
| -rw-r--r-- | drivers/of/address.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/of/address.c b/drivers/of/address.c index b4559c58c09..b43ff669e04 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -556,6 +556,20 @@ static int __of_address_to_resource(struct device_node *dev, } /** + * of_address_count - Return the number of entries in the reg property + */ +int of_address_count(struct device_node *np) +{ + struct resource temp_res; + int num_reg = 0; + + while (of_address_to_resource(np, num_reg, &temp_res) == 0) + num_reg++; + return num_reg; +} +EXPORT_SYMBOL_GPL(of_address_count); + +/** * of_address_to_resource - Translate device tree address and return as resource * * Note that if your address is a PIO address, the conversion will fail if |