[AVR32] Warn, don't BUG if clk_disable is called too many times
Print a helpful warning along with a stack dump if clk_disable is called on a already-disabled clock. Remove the BUG_ON(). Extracted from a patch by David Brownell. Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
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@ -63,7 +63,11 @@ EXPORT_SYMBOL(clk_enable);
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static void __clk_disable(struct clk *clk)
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{
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BUG_ON(clk->users == 0);
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if (clk->users == 0) {
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printk(KERN_ERR "%s: mismatched disable\n", clk->name);
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WARN_ON(1);
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return;
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}
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if (--clk->users == 0 && clk->mode)
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clk->mode(clk, 0);
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