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| author | David S. Miller <davem@davemloft.net> | 2006-06-29 23:34:12 +0200 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-06-30 01:37:10 +0200 |
| commit | 3ae9a3489a4e2ba665a344a9250c2af05b7b0c59 (patch) | |
| tree | 7b78ceaafb19a63e195568642ede37670d88388b /arch/sparc | |
| parent | [SPARC64]: Kill starfire_cookie from SBUS/PCI. (diff) | |
| download | linux-3ae9a3489a4e2ba665a344a9250c2af05b7b0c59.tar.xz linux-3ae9a3489a4e2ba665a344a9250c2af05b7b0c59.zip | |
[SPARC]: Add of_n_{addr,size}_cells().
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/kernel/prom.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/sparc/kernel/prom.c b/arch/sparc/kernel/prom.c index 946ce6d15819..4b06dcb00ebd 100644 --- a/arch/sparc/kernel/prom.c +++ b/arch/sparc/kernel/prom.c @@ -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; |