diff options
| author | David S. Miller <davem@davemloft.net> | 2008-12-05 10:12:32 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-12-06 02:09:49 +0100 |
| commit | 4aef8c53fe517542d8185b7d771f291865b49177 (patch) | |
| tree | 773eeca2a7fd9136b8309d086b8a611660ce929a /arch/sparc/kernel/prom_32.c | |
| parent | sparc: Move create_node() and friends into prom_common.c (diff) | |
| download | linux-4aef8c53fe517542d8185b7d771f291865b49177.tar.xz linux-4aef8c53fe517542d8185b7d771f291865b49177.zip | |
sparc: Match sparc32's build_tree() up to sparc64's
Sparc64 uses a non-recursive sibling traversal algorithm
that never got propagated into the sparc32 copy of this
code.
Sync them up.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel/prom_32.c')
| -rw-r--r-- | arch/sparc/kernel/prom_32.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/arch/sparc/kernel/prom_32.c b/arch/sparc/kernel/prom_32.c index 5881c1438198..35cb4c742524 100644 --- a/arch/sparc/kernel/prom_32.c +++ b/arch/sparc/kernel/prom_32.c @@ -198,23 +198,33 @@ static char * __init build_full_name(struct device_node *dp) static struct device_node * __init build_tree(struct device_node *parent, phandle node, struct device_node ***nextp) { + struct device_node *ret = NULL, *prev_sibling = NULL; struct device_node *dp; - dp = create_node(node, parent); - if (dp) { + while (1) { + dp = create_node(node, parent); + if (!dp) + break; + + if (prev_sibling) + prev_sibling->sibling = dp; + + if (!ret) + ret = dp; + prev_sibling = dp; + *(*nextp) = dp; *nextp = &dp->allnext; - dp->parent = parent; dp->path_component_name = build_path_component(dp); dp->full_name = build_full_name(dp); dp->child = build_tree(dp, prom_getchild(node), nextp); - dp->sibling = build_tree(parent, prom_getsibling(node), nextp); + node = prom_getsibling(node); } - return dp; + return ret; } struct device_node *of_console_device; |