Use for_each_node_by_type() macro instead of open coding it.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
 
        /* Count the number of CPU cores */
        nr_cores = 0;
-       for (cpu = NULL; (cpu = of_find_node_by_type(cpu, "cpu")) != NULL; )
+       for_each_node_by_type(cpu, "cpu")
                ++nr_cores;
 
        printk(KERN_INFO "windfarm: initializing for dual-core desktop G5\n");
 
 
        /* Count the number of CPU cores */
        nr_chips = 0;
-       for (cpu = NULL; (cpu = of_find_node_by_type(cpu, "cpu")) != NULL; )
+       for_each_node_by_type(cpu, "cpu")
                ++nr_chips;
        if (nr_chips > NR_CHIPS)
                nr_chips = NR_CHIPS;
 
 
        /* Count the number of CPU cores */
        nr_chips = 0;
-       for (cpu = NULL; (cpu = of_find_node_by_type(cpu, "cpu")) != NULL; )
+       for_each_node_by_type(cpu, "cpu")
                ++nr_chips;
        if (nr_chips > NR_CHIPS)
                nr_chips = NR_CHIPS;