linux-kernel - [PATCH -next] ARM: uniphier: use for_each_matching

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Message-ID: <20200728022542.86566-1-miaoqinglang@huawei.com>
Date:   Tue, 28 Jul 2020 10:25:42 +0800
From:   Qinglang Miao <miaoqinglang@...wei.com>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Russell King <linux@...linux.org.uk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH -next] ARM: uniphier: use for_each_matching_node() macro

Use for_each_matching_node() macro instead of open coding it.

Signed-off-by: Qinglang Miao <miaoqinglang@...wei.com>
---
 arch/arm/mm/cache-uniphier.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mm/cache-uniphier.c b/arch/arm/mm/cache-uniphier.c
index ff2881458..112f19cb3 100644
--- a/arch/arm/mm/cache-uniphier.c
+++ b/arch/arm/mm/cache-uniphier.c
@@ -450,12 +450,12 @@ static int __init __uniphier_cache_init(struct device_node *np,
 
 int __init uniphier_cache_init(void)
 {
-	struct device_node *np = NULL;
+	struct device_node *np;
 	unsigned int cache_level;
 	int ret = 0;
 
 	/* look for level 2 cache */
-	while ((np = of_find_matching_node(np, uniphier_cache_match)))
+	for_each_matching_node(np, uniphier_cache_match)
 		if (!of_property_read_u32(np, "cache-level", &cache_level) &&
 		    cache_level == 2)
 			break;
-- 
2.25.1