ARM: OMAP: Add sanity check to clk_disable
authorJuha Yrjola <juha.yrjola@solidboot.com>
Mon, 25 Sep 2006 09:41:47 +0000 (12:41 +0300)
committerTony Lindgren <tony@atomide.com>
Mon, 25 Sep 2006 09:41:47 +0000 (12:41 +0300)
BUG() if the clock use count is already zero.

Signed-off-by: Juha Yrjola <juha.yrjola@solidboot.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
arch/arm/plat-omap/clock.c

index 7f45c7c3e673d1898902fbac743de5e7cb655fd8..4abf2714f2d9f9be9de5b9bbe83441b41cdbd2dd 100644 (file)
@@ -100,6 +100,7 @@ void clk_disable(struct clk *clk)
                return;
 
        spin_lock_irqsave(&clockfw_lock, flags);
+       BUG_ON(clk->usecount == 0);
        if (arch_clock->clk_disable)
                arch_clock->clk_disable(clk);
        spin_unlock_irqrestore(&clockfw_lock, flags);