linux-kernel - [PATCH] phy: mark tegra_xusb_lane_lookup

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Date:   Wed, 31 Aug 2016 17:05:19 +0800
From:   Baoyou Xie <baoyou.xie@...aro.org>
To:     kishon@...com, swarren@...dotorg.org, thierry.reding@...il.com,
        gnurou@...il.com
Cc:     linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org,
        arnd@...db.de, baoyou.xie@...aro.org, xie.baoyou@....com.cn
Subject: [PATCH] phy: mark tegra_xusb_lane_lookup_function() static

We get 1 warning when building kernel with W=1:
drivers/phy/tegra/xusb.c:104:5: warning: no previous prototype for 'tegra_xusb_lane_lookup_function' [-Wmissing-prototypes]

In fact, this function is only used in the file in which it is
declared and don't need a declaration, but can be made static.
So this patch marks it 'static'.

Signed-off-by: Baoyou Xie <baoyou.xie@...aro.org>
---
 drivers/phy/tegra/xusb.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c
index ec83dfd..0a372d9 100644
--- a/drivers/phy/tegra/xusb.c
+++ b/drivers/phy/tegra/xusb.c
@@ -101,7 +101,8 @@ tegra_xusb_pad_find_phy_node(struct tegra_xusb_pad *pad, unsigned int index)
 	return of_find_node_by_name(np, pad->soc->lanes[index].name);
 }
 
-int tegra_xusb_lane_lookup_function(struct tegra_xusb_lane *lane,
+static int
+tegra_xusb_lane_lookup_function(struct tegra_xusb_lane *lane,
 				    const char *function)
 {
 	unsigned int i;
-- 
2.7.4