powerpc: use for_each_compatible_node() macro

Use for_each_compatible_node() macro instead of open coding it.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>

diff --git a/arch/powerpc/include/asm/parport.h b/arch/powerpc/include/asm/parport.h
index 6dc2577..a452968 100644 (file)
--- a/arch/powerpc/include/asm/parport.h
+++ b/arch/powerpc/include/asm/parport.h
@@ -21,9 +21,7 @@ static int parport_pc_find_nonpci_ports (int autoirq, int autodma)
        int count = 0;
        int virq;
 
-       for (np = NULL; (np = of_find_compatible_node(np,
-                                                     "parallel",
-                                                     "pnpPNP,400")) != NULL;) {
+       for_each_compatible_node(np, "parallel", "pnpPNP,400") {
                prop = of_get_property(np, "reg", &propsize);
                if (!prop || propsize > 6*sizeof(u32))
                        continue;