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@@ -11,6 +11,8 @@
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#include <linux/interrupt.h>
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#include <linux/delay.h>
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+#include "internals.h"
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+
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/*
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* Autodetection depends on the fact that any interrupt that
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* comes in on to an unassigned handler will get stuck with
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@@ -41,6 +43,12 @@ unsigned long probe_irq_on(void)
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spin_lock_irq(&desc->lock);
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if (!desc->action && !(desc->status & IRQ_NOPROBE)) {
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+ /*
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+ * An old-style architecture might still have
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+ * the handle_bad_irq handler there:
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+ */
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+ compat_irq_chip_set_default_handler(desc);
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+
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/*
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* Some chips need to know about probing in
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* progress:
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