提交 3ae9a348 编写于 作者: D David S. Miller 提交者: David S. Miller

[SPARC]: Add of_n_{addr,size}_cells().

Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 286bbe87
...@@ -190,6 +190,36 @@ int of_getintprop_default(struct device_node *np, const char *name, int def) ...@@ -190,6 +190,36 @@ int of_getintprop_default(struct device_node *np, const char *name, int def)
} }
EXPORT_SYMBOL(of_getintprop_default); EXPORT_SYMBOL(of_getintprop_default);
int of_n_addr_cells(struct device_node *np)
{
int* ip;
do {
if (np->parent)
np = np->parent;
ip = of_get_property(np, "#address-cells", NULL);
if (ip != NULL)
return *ip;
} while (np->parent);
/* No #address-cells property for the root node, default to 2 */
return 2;
}
EXPORT_SYMBOL(of_n_addr_cells);
int of_n_size_cells(struct device_node *np)
{
int* ip;
do {
if (np->parent)
np = np->parent;
ip = of_get_property(np, "#size-cells", NULL);
if (ip != NULL)
return *ip;
} while (np->parent);
/* No #size-cells property for the root node, default to 1 */
return 1;
}
EXPORT_SYMBOL(of_n_size_cells);
int of_set_property(struct device_node *dp, const char *name, void *val, int len) int of_set_property(struct device_node *dp, const char *name, void *val, int len)
{ {
struct property **prevp; struct property **prevp;
......
...@@ -190,6 +190,36 @@ int of_getintprop_default(struct device_node *np, const char *name, int def) ...@@ -190,6 +190,36 @@ int of_getintprop_default(struct device_node *np, const char *name, int def)
} }
EXPORT_SYMBOL(of_getintprop_default); EXPORT_SYMBOL(of_getintprop_default);
int of_n_addr_cells(struct device_node *np)
{
int* ip;
do {
if (np->parent)
np = np->parent;
ip = of_get_property(np, "#address-cells", NULL);
if (ip != NULL)
return *ip;
} while (np->parent);
/* No #address-cells property for the root node, default to 2 */
return 2;
}
EXPORT_SYMBOL(of_n_addr_cells);
int of_n_size_cells(struct device_node *np)
{
int* ip;
do {
if (np->parent)
np = np->parent;
ip = of_get_property(np, "#size-cells", NULL);
if (ip != NULL)
return *ip;
} while (np->parent);
/* No #size-cells property for the root node, default to 1 */
return 1;
}
EXPORT_SYMBOL(of_n_size_cells);
int of_set_property(struct device_node *dp, const char *name, void *val, int len) int of_set_property(struct device_node *dp, const char *name, void *val, int len)
{ {
struct property **prevp; struct property **prevp;
......
...@@ -101,6 +101,8 @@ extern int of_set_property(struct device_node *node, const char *name, void *val ...@@ -101,6 +101,8 @@ extern int of_set_property(struct device_node *node, const char *name, void *val
extern int of_getintprop_default(struct device_node *np, extern int of_getintprop_default(struct device_node *np,
const char *name, const char *name,
int def); int def);
extern int of_n_addr_cells(struct device_node *np);
extern int of_n_size_cells(struct device_node *np);
extern void prom_build_devicetree(void); extern void prom_build_devicetree(void);
......
...@@ -101,6 +101,8 @@ extern int of_set_property(struct device_node *node, const char *name, void *val ...@@ -101,6 +101,8 @@ extern int of_set_property(struct device_node *node, const char *name, void *val
extern int of_getintprop_default(struct device_node *np, extern int of_getintprop_default(struct device_node *np,
const char *name, const char *name,
int def); int def);
extern int of_n_addr_cells(struct device_node *np);
extern int of_n_size_cells(struct device_node *np);
extern void prom_build_devicetree(void); extern void prom_build_devicetree(void);
......
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