Commit 742859ad authored Sep 19, 2016 by Masahiro Yamada Committed by Greg Ungerer Sep 26, 2016

m68k: let clk_disable() return immediately if clk is NULL



In many of clk_disable() implementations, it is a no-op for a NULL
pointer input, but this is one of the exceptions.

Making it treewide consistent will allow clock consumers to call
clk_disable() without NULL pointer check.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>

parent 3ec53d6f

arch/m68k/coldfire/clk.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -101,6 +101,10 @@ EXPORT_SYMBOL(clk_enable);
		void clk_disable(struct clk *clk)
		{
		unsigned long flags;

		if (!clk)
		return;

		spin_lock_irqsave(&clk_lock, flags);
		if ((--clk->enabled == 0) && clk->clk_ops)
		clk->clk_ops->disable(clk);

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