[PATCH] powerpc/windfarm: use for_each_node_by_type() macro

[Wei Yongjun]

From: Wei Yongjun <yongjun_wei at trendmicro.com.cn>

Use for_each_node_by_type() macro instead of open coding it.

Signed-off-by: Wei Yongjun <yongjun_wei at trendmicro.com.cn>
---
 drivers/macintosh/windfarm_rm31.c  | 2 +-
 drivers/macintosh/windfarm_pm72.c  | 2 +-
 drivers/macintosh/windfarm_pm112.c | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/macintosh/windfarm_rm31.c b/drivers/macintosh/windfarm_rm31.c
index 3eca6d4..4190b27 100644
--- a/drivers/macintosh/windfarm_rm31.c
+++ b/drivers/macintosh/windfarm_rm31.c
@@ -696,7 +696,7 @@ static int __init wf_rm31_init(void)
 
 	/* 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;

diff --git a/drivers/macintosh/windfarm_pm72.c b/drivers/macintosh/windfarm_pm72.c
index 84ac913..73f5e24 100644
--- a/drivers/macintosh/windfarm_pm72.c
+++ b/drivers/macintosh/windfarm_pm72.c
@@ -804,7 +804,7 @@ static int __init wf_pm72_init(void)
 
 	/* 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;

diff --git a/drivers/macintosh/windfarm_pm112.c b/drivers/macintosh/windfarm_pm112.c
index e0ee807..b479b82 100644
--- a/drivers/macintosh/windfarm_pm112.c
+++ b/drivers/macintosh/windfarm_pm112.c
@@ -681,7 +681,7 @@ static int __init wf_pm112_init(void)
 
 	/* 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");