ARM: mmp: 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: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Masahiro Yamada 2017-03-28 18:17:02 +09:00 committed by Arnd Bergmann
parent e1ffaa551c
commit aa9daa310d

View file

@ -67,6 +67,9 @@ void clk_disable(struct clk *clk)
{
unsigned long flags;
if (!clk)
return;
WARN_ON(clk->enabled == 0);
spin_lock_irqsave(&clocks_lock, flags);