| OF_CHILD(9) | Kernel Developer's Manual | OF_CHILD(9) |
NAME¶
OF_child, OF_parent,
OF_peer —
navigate device tree
SYNOPSIS¶
#include <dev/ofw/ofw_bus.h>
#include
<dev/ofw/ofw_bus_subr.h>
phandle_t
OF_child(phandle_t
node);
phandle_t
OF_parent(phandle_t
node);
phandle_t
OF_peer(phandle_t
node);
DESCRIPTION¶
OF_child() returns the phandle value of the first child
of the node. Zero is returned if there are no child
nodes.
OF_parent() returns the phandle for the
parent of the node. Zero is returned if
node is the root node.
OF_peer() returns the phandle value of the
next sibling of the node. Zero is returned if there is
no sibling node.
EXAMPLES¶
phandle_t node, child;
...
for (child = OF_child(node); child != 0; child = OF_peer(child) {
...
}
SEE ALSO¶
OF_finddevice(9)AUTHORS¶
This manual page was written by Oleksandr Tymoshenko <gonzo@FreeBSD.org>.| April 9, 2018 | Linux 4.19.0-10-amd64 |