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authorThomas Gleixner <tglx@linutronix.de>2011-02-09 20:44:21 +0100
committerThomas Gleixner <tglx@linutronix.de>2011-02-19 12:58:19 +0100
commit1ce6068dac1924f7095be5850481e790cbf1b3c1 (patch)
tree72d5edcb015164e1833bb95d34df48ed8fc7a1c4 /kernel/irq/debug.h
parentfae581e588e64a0690f3fc995e404fcacaebe772 (diff)
downloadlinux-stericsson-1ce6068dac1924f7095be5850481e790cbf1b3c1.tar.gz
genirq: Move debug code to separate header
It'll break when I'm going to undefine the constants. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/irq/debug.h')
-rw-r--r--kernel/irq/debug.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/kernel/irq/debug.h b/kernel/irq/debug.h
new file mode 100644
index 000000000000..d1a33b7fa61d
--- /dev/null
+++ b/kernel/irq/debug.h
@@ -0,0 +1,40 @@
+/*
+ * Debugging printout:
+ */
+
+#include <linux/kallsyms.h>
+
+#define P(f) if (desc->status & f) printk("%14s set\n", #f)
+#define PS(f) if (desc->istate & f) printk("%14s set\n", #f)
+
+static inline void print_irq_desc(unsigned int irq, struct irq_desc *desc)
+{
+ printk("irq %d, desc: %p, depth: %d, count: %d, unhandled: %d\n",
+ irq, desc, desc->depth, desc->irq_count, desc->irqs_unhandled);
+ printk("->handle_irq(): %p, ", desc->handle_irq);
+ print_symbol("%s\n", (unsigned long)desc->handle_irq);
+ printk("->irq_data.chip(): %p, ", desc->irq_data.chip);
+ print_symbol("%s\n", (unsigned long)desc->irq_data.chip);
+ printk("->action(): %p\n", desc->action);
+ if (desc->action) {
+ printk("->action->handler(): %p, ", desc->action->handler);
+ print_symbol("%s\n", (unsigned long)desc->action->handler);
+ }
+
+ P(IRQ_LEVEL);
+ P(IRQ_PER_CPU);
+ P(IRQ_NOPROBE);
+ P(IRQ_NOREQUEST);
+ P(IRQ_NOAUTOEN);
+
+ PS(IRQS_AUTODETECT);
+ PS(IRQS_INPROGRESS);
+ PS(IRQS_REPLAY);
+ PS(IRQS_WAITING);
+ PS(IRQS_DISABLED);
+ PS(IRQS_PENDING);
+ PS(IRQS_MASKED);
+}
+
+#undef P
+#undef PS