Merge branch 'x86/platform' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into stable/for-linus-3.7

* 'x86/platform' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (9690 commits)
  x86: Document x86_init.paging.pagetable_init()
  x86: xen: Cleanup and remove x86_init.paging.pagetable_setup_done()
  x86: Move paging_init() call to x86_init.paging.pagetable_init()
  x86: Rename pagetable_setup_start() to pagetable_init()
  x86: Remove base argument from x86_init.paging.pagetable_setup_start
  Linux 3.6-rc5
  HID: tpkbd: work even if the new Lenovo Keyboard driver is not configured
  Remove user-triggerable BUG from mpol_to_str
  xen/pciback: Fix proper FLR steps.
  uml: fix compile error in deliver_alarm()
  dj: memory scribble in logi_dj
  Fix order of arguments to compat_put_time[spec|val]
  xen: Use correct masking in xen_swiotlb_alloc_coherent.
  xen: fix logical error in tlb flushing
  xen/p2m: Fix one-off error in checking the P2M tree directory.
  powerpc: Don't use __put_user() in patch_instruction
  powerpc: Make sure IPI handlers see data written by IPI senders
  powerpc: Restore correct DSCR in context switch
  powerpc: Fix DSCR inheritance in copy_thread()
  powerpc: Keep thread.dscr and thread.dscr_inherit in sync
  ...

1 files changed, 40 insertions, 0 deletions

diff --git a/arch/arm/plat-orion/irq.c b/arch/arm/plat-orion/irq.c
index 2d5b9c1ef389..d751964def4c 100644
--- a/arch/arm/plat-orion/irq.c
+++ b/arch/arm/plat-orion/irq.c
@@ -11,8 +11,12 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/irq.h>
+#include <linux/irqdomain.h>
 #include <linux/io.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
 #include <plat/irq.h>
+#include <plat/gpio.h>
 
 void __init orion_irq_init(unsigned int irq_start, void __iomem *maskaddr)
 {
@@ -32,3 +36,39 @@ void __init orion_irq_init(unsigned int irq_start, void __iomem *maskaddr)
 	irq_setup_generic_chip(gc, IRQ_MSK(32), IRQ_GC_INIT_MASK_CACHE,
 			       IRQ_NOREQUEST, IRQ_LEVEL | IRQ_NOPROBE);
 }
+
+#ifdef CONFIG_OF
+static int __init orion_add_irq_domain(struct device_node *np,
+				       struct device_node *interrupt_parent)
+{
+	int i = 0, irq_gpio;
+	void __iomem *base;
+
+	do {
+		base = of_iomap(np, i);
+		if (base) {
+			orion_irq_init(i * 32, base);
+			i++;
+		}
+	} while (base);
+
+	irq_domain_add_legacy(np, i * 32, 0, 0,
+			      &irq_domain_simple_ops, NULL);
+
+	irq_gpio = i * 32;
+	orion_gpio_of_init(irq_gpio);
+
+	return 0;
+}
+
+static const struct of_device_id orion_irq_match[] = {
+	{ .compatible = "marvell,orion-intc",
+	  .data = orion_add_irq_domain, },
+	{},
+};
+
+void __init orion_dt_init_irq(void)
+{
+	of_irq_init(orion_irq_match);
+}
+#endif