mirrors/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2025-11-04 02:30:34 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

of/address: introduce of_address_count() helper

Browse source 
Introduce of_address_count() helper to count the IO resources
instead of open-coding it.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221008115617.3583890-2-yangyingliang@huawei.com
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Yang Yingliang 2022-10-08 19:56:16 +08:00 committed by Rob Herring
parent 9abf2313ad
commit 16988c7429
1 changed files with 11 additions and 0 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

11
include/linux/of_address.h
View file

@ -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 */