[PATCH] ARM: DaVinci: Deletion of an unnecessary check before the function call "__clk_disable"

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From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 3 Dec 2014 09:01:33 +0100

The __clk_disable() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
 arch/arm/mach-davinci/clock.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c
index c70bb0a..8f2c2d8 100644
--- a/arch/arm/mach-davinci/clock.c
+++ b/arch/arm/mach-davinci/clock.c
@@ -55,8 +55,7 @@ static void __clk_disable(struct clk *clk)
 		else if (clk->clk_disable)
 			clk->clk_disable(clk);
 	}
-	if (clk->parent)
-		__clk_disable(clk->parent);
+	__clk_disable(clk->parent);
 }
 
 int davinci_clk_reset(struct clk *clk, bool reset)
-- 
2.1.3

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