powerpc/pseries/dlpar: Use helper function for_each_child_of_node()

for_each_child_of_node can help to iterate through the device_node,
and we don't need to use while loop. No functional change with this
conversion.

Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240822085430.25753-3-zhangzekun11@huawei.com

diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c
index 47f8eabd1bee311b84f53b66d61e2215fb0b4a83..ee47ed21b99d020ffc1a6a41b0345376c9848dab 100644 (file)
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -250,11 +250,8 @@ int dlpar_detach_node(struct device_node *dn)
        struct device_node *child;
        int rc;
 
-       child = of_get_next_child(dn, NULL);
-       while (child) {
+       for_each_child_of_node(dn, child)
                dlpar_detach_node(child);
-               child = of_get_next_child(dn, child);
-       }
 
        rc = of_detach_node(dn);
        if (rc)