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Commit 4aef8c53 authored by David S. Miller's avatar David S. Miller
Browse files

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: default avatarDavid S. Miller <davem@davemloft.net>
parent 7d9439d5

arch/sparc/kernel/prom_32.c

+15 −5
Original line number Diff line number Diff line
@@ -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;



	while (1) {

		dp = create_node(node, parent);

	if (dp) {

		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;