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

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2006-06-29 14:34:12 -07:00 committed by David S. Miller
parent 286bbe87c1
commit 3ae9a3489a
4 changed files with 64 additions and 0 deletions
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30
arch/sparc/kernel/prom.c
View File

@ -190,6 +190,36 @@ int of_getintprop_default(struct device_node *np, const char *name, int def)
}
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)
{
struct property **prevp;

30
arch/sparc64/kernel/prom.c
View File

@ -190,6 +190,36 @@ int of_getintprop_default(struct device_node *np, const char *name, int def)
}
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)
{
struct property **prevp;

2
include/asm-sparc/prom.h
View File

@ -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,
const char *name,
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);

2
include/asm-sparc64/prom.h
View File

@ -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,
const char *name,
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);