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imx: WARN in clk_disable if the clock isn't enabled

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Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Russell King <linux@arm.linux.org.uk>
This commit is contained in:
Uwe Kleine-König
2010-01-13 17:58:04 +01:00
parent 66ac2f28b6
commit 8ac5b7c5ec
1 changed files with 1 additions and 0 deletions
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arch/arm/plat-mxc/clock.c
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@@ -56,6 +56,7 @@ static void __clk_disable(struct clk *clk)
__clk_disable(clk->parent); __clk_disable(clk->parent);
__clk_disable(clk->secondary); __clk_disable(clk->secondary);
WARN_ON(!clk->usecount);
if (!(--clk->usecount) && clk->disable) if (!(--clk->usecount) && clk->disable)
clk->disable(clk); clk->disable(clk);
} }