Merge branch 'fix/hda' into for-linus

[pandora-kernel.git] / arch / mips / kernel / irq.c

diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c
index 8b0b418..981f86c 100644 (file)
--- a/arch/mips/kernel/irq.c
+++ b/arch/mips/kernel/irq.c
@@ -22,6 +22,7 @@
 #include <linux/seq_file.h>
 #include <linux/kallsyms.h>
 #include <linux/kgdb.h>
+#include <linux/ftrace.h>
 
 #include <asm/atomic.h>
 #include <asm/system.h>
@@ -150,3 +151,32 @@ void __init init_IRQ(void)
                kgdb_early_setup = 1;
 #endif
 }
+
+/*
+ * do_IRQ handles all normal device IRQ's (the special
+ * SMP cross-CPU interrupts have their own specific
+ * handlers).
+ */
+void __irq_entry do_IRQ(unsigned int irq)
+{
+       irq_enter();
+       __DO_IRQ_SMTC_HOOK(irq);
+       generic_handle_irq(irq);
+       irq_exit();
+}
+
+#ifdef CONFIG_MIPS_MT_SMTC_IRQAFF
+/*
+ * To avoid inefficient and in some cases pathological re-checking of
+ * IRQ affinity, we have this variant that skips the affinity check.
+ */
+
+void __irq_entry do_IRQ_no_affinity(unsigned int irq)
+{
+       irq_enter();
+       __NO_AFFINITY_IRQ_SMTC_HOOK(irq);
+       generic_handle_irq(irq);
+       irq_exit();
+}
+
+#endif /* CONFIG_MIPS_MT_SMTC_IRQAFF */