mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-03 17:40:04 +00:00
of/address: Introduce of_get_next_dma_parent() helper
Add of_get_next_dma_parent() helper which is similar to __of_get_dma_parent(), but can be used in iterators and decrements the ref count on the prior parent. Signed-off-by: Robin Murphy <robin.murphy@arm.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Tested-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
parent
76dd7068e3
commit
862ab5578f
1 changed files with 10 additions and 0 deletions
|
@ -695,6 +695,16 @@ static struct device_node *__of_get_dma_parent(const struct device_node *np)
|
|||
return of_node_get(args.np);
|
||||
}
|
||||
|
||||
static struct device_node *of_get_next_dma_parent(struct device_node *np)
|
||||
{
|
||||
struct device_node *parent;
|
||||
|
||||
parent = __of_get_dma_parent(np);
|
||||
of_node_put(np);
|
||||
|
||||
return parent;
|
||||
}
|
||||
|
||||
u64 of_translate_dma_address(struct device_node *dev, const __be32 *in_addr)
|
||||
{
|
||||
struct device_node *host;
|
||||
|
|
Loading…
Reference in a new issue