3 files changed, 59 insertions, 0 deletions

diff --git a/include/linux/irqchip/metag-ext.h b/include/linux/irqchip/metag-ext.h
new file mode 100644
index 000000000000..697af0fe7c5a
--- /dev/null
+++ b/include/linux/irqchip/metag-ext.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2012 Imagination Technologies
+ */
+
+#ifndef _LINUX_IRQCHIP_METAG_EXT_H_
+#define _LINUX_IRQCHIP_METAG_EXT_H_
+
+struct irq_data;
+struct platform_device;
+
+/* called from core irq code at init */
+int init_external_IRQ(void);
+
+/*
+ * called from SoC init_irq() callback to dynamically indicate the lack of
+ * HWMASKEXT registers.
+ */
+void meta_intc_no_mask(void);
+
+/*
+ * These allow SoCs to specialise the interrupt controller from their init_irq
+ * callbacks.
+ */
+
+extern struct irq_chip meta_intc_edge_chip;
+extern struct irq_chip meta_intc_level_chip;
+
+/* this should be called in the mask callback */
+void meta_intc_mask_irq_simple(struct irq_data *data);
+/* this should be called in the unmask callback */
+void meta_intc_unmask_irq_simple(struct irq_data *data);
+
+#endif /* _LINUX_IRQCHIP_METAG_EXT_H_ */
diff --git a/include/linux/irqchip/metag.h b/include/linux/irqchip/metag.h
new file mode 100644
index 000000000000..4ebdfb3101ab
--- /dev/null
+++ b/include/linux/irqchip/metag.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2011 Imagination Technologies
+ */
+
+#ifndef _LINUX_IRQCHIP_METAG_H_
+#define _LINUX_IRQCHIP_METAG_H_
+
+#include <linux/errno.h>
+
+#ifdef CONFIG_METAG_PERFCOUNTER_IRQS
+extern int init_internal_IRQ(void);
+extern int internal_irq_map(unsigned int hw);
+#else
+static inline int init_internal_IRQ(void)
+{
+        return 0;
+}
+static inline int internal_irq_map(unsigned int hw)
+{
+        return -EINVAL;
+}
+#endif
+
+#endif /* _LINUX_IRQCHIP_METAG_H_ */
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 1ede55f292c2..7acc9dc73c9f 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -115,6 +115,8 @@ extern unsigned int kobjsize(const void *objp);
 # define VM_SAO         VM_ARCH_1       /* Strong Access Ordering (powerpc) */
 #elif defined(CONFIG_PARISC)
 # define VM_GROWSUP     VM_ARCH_1
+#elif defined(CONFIG_METAG)
+# define VM_GROWSUP     VM_ARCH_1
 #elif defined(CONFIG_IA64)
 # define VM_GROWSUP     VM_ARCH_1
 #elif !defined(CONFIG_MMU)