| Message ID | 20221008115617.3583890-2-yangyingliang@huawei.com |
|---|---|
| State | Accepted |
| Commit | 16988c742968d5ceb2e832a57bd277f51f0a59d7 |
| Headers | show |
| Series | of: introduce of_address_count() helper | expand |
diff --git a/include/linux/of_address.h b/include/linux/of_address.h index 45598dbec269..265f26eeaf6b 100644 --- a/include/linux/of_address.h +++ b/include/linux/of_address.h @@ -154,4 +154,15 @@ static inline const __be32 *of_get_pci_address(struct device_node *dev, int bar_ return __of_get_address(dev, -1, bar_no, size, flags); } +static inline int of_address_count(struct device_node *np) +{ + struct resource res; + int count = 0; + + while (of_address_to_resource(np, count, &res) == 0) + count++; + + return count; +} + #endif /* __OF_ADDRESS_H */
Introduce of_address_count() helper to count the IO resources instead of open-coding it. Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- include/linux/of_address.h | 11 +++++++++++ 1 file changed, 11 insertions(+)