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authorThomas Gleixner <tglx@linutronix.de>2011-05-14 12:06:36 +0200
committerThomas Gleixner <tglx@linutronix.de>2011-05-14 12:06:36 +0200
commita18f22a968de17b29f2310cdb7ba69163e65ec15 (patch)
treea7d56d88fad5e444d7661484109758a2f436129e /kernel/irq/debug.h
parenta1c57e0fec53defe745e64417eacdbd3618c3e66 (diff)
parent798778b8653f64b7b2162ac70eca10367cff6ce8 (diff)
Merge branch 'consolidate-clksrc-i8253' of master.kernel.org:~rmk/linux-2.6-arm into timers/clocksource
Conflicts: arch/ia64/kernel/cyclone.c arch/mips/kernel/i8253.c arch/x86/kernel/i8253.c Reason: Resolve conflicts so further cleanups do not conflict further Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/irq/debug.h')
-rw-r--r--kernel/irq/debug.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/kernel/irq/debug.h b/kernel/irq/debug.h
new file mode 100644
index 00000000000..306cba37e9a
--- /dev/null
+++ b/kernel/irq/debug.h
@@ -0,0 +1,44 @@
+/*
+ * Debugging printout:
+ */
+
+#include <linux/kallsyms.h>
+
+#define P(f) if (desc->status_use_accessors & f) printk("%14s set\n", #f)
+#define PS(f) if (desc->istate & f) printk("%14s set\n", #f)
+/* FIXME */
+#define PD(f) do { } while (0)
+
+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_REPLAY);
+ PS(IRQS_WAITING);
+ PS(IRQS_PENDING);
+
+ PD(IRQS_INPROGRESS);
+ PD(IRQS_DISABLED);
+ PD(IRQS_MASKED);
+}
+
+#undef P
+#undef PS
+#undef PD