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ARM: OMAP: Add sanity check to clk_disable

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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>
This commit is contained in:
Juha Yrjola
2006-09-25 12:41:47 +03:00
committed by Tony Lindgren
parent bee7930f4a
commit dee45648a5
1 changed files with 1 additions and 0 deletions
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arch/arm/plat-omap/clock.c
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@@ -100,6 +100,7 @@ void clk_disable(struct clk *clk)
return; return;
spin_lock_irqsave(&clockfw_lock, flags); spin_lock_irqsave(&clockfw_lock, flags);
BUG_ON(clk->usecount == 0);
if (arch_clock->clk_disable) if (arch_clock->clk_disable)
arch_clock->clk_disable(clk); arch_clock->clk_disable(clk);
spin_unlock_irqrestore(&clockfw_lock, flags); spin_unlock_irqrestore(&clockfw_lock, flags);