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Diffstat (limited to 'drivers/of')
-rw-r--r--drivers/of/address.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/of/address.c b/drivers/of/address.c
index 2270373b30ab..5359a80c4e8c 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -569,6 +569,7 @@ static int of_translate_one(struct device_node *parent, struct of_bus *bus,
* relative to that node.
*/
static u64 __of_translate_address(struct device_node *dev,
+ struct device_node *(*get_parent)(const struct device_node *),
const __be32 *in_addr, const char *rprop,
struct device_node **host)
{
@@ -585,7 +586,7 @@ static u64 __of_translate_address(struct device_node *dev,
*host = NULL;
/* Get parent & match bus type */
- parent = of_get_parent(dev);
+ parent = get_parent(dev);
if (parent == NULL)
goto bail;
bus = of_match_bus(parent);
@@ -609,7 +610,7 @@ static u64 __of_translate_address(struct device_node *dev,
/* Switch to parent bus */
of_node_put(dev);
dev = parent;
- parent = of_get_parent(dev);
+ parent = get_parent(dev);
/* If root, we have finished */
if (parent == NULL) {
@@ -665,7 +666,8 @@ u64 of_translate_address(struct device_node *dev, const __be32 *in_addr)
struct device_node *host;
u64 ret;
- ret = __of_translate_address(dev, in_addr, "ranges", &host);
+ ret = __of_translate_address(dev, of_get_parent,
+ in_addr, "ranges", &host);
if (host) {
of_node_put(host);
return OF_BAD_ADDR;
@@ -680,7 +682,8 @@ u64 of_translate_dma_address(struct device_node *dev, const __be32 *in_addr)
struct device_node *host;
u64 ret;
- ret = __of_translate_address(dev, in_addr, "dma-ranges", &host);
+ ret = __of_translate_address(dev, of_get_parent,
+ in_addr, "dma-ranges", &host);
if (host) {
of_node_put(host);
@@ -736,7 +739,8 @@ static u64 of_translate_ioport(struct device_node *dev, const __be32 *in_addr,
unsigned long port;
struct device_node *host;
- taddr = __of_translate_address(dev, in_addr, "ranges", &host);
+ taddr = __of_translate_address(dev, of_get_parent,
+ in_addr, "ranges", &host);
if (host) {
/* host-specific port access */
port = logic_pio_trans_hwaddr(&host->fwnode, taddr, size);