Merge branch 'next/dt' of git://git.linaro.org/people/arnd/arm-soc

* 'next/dt' of git://git.linaro.org/people/arnd/arm-soc:
  ARM: gic: use module.h instead of export.h
  ARM: gic: fix irq_alloc_descs handling for sparse irq
  ARM: gic: add OF based initialization
  ARM: gic: add irq_domain support
  irq: support domains with non-zero hwirq base
  of/irq: introduce of_irq_init
  ARM: at91: add at91sam9g20 and Calao USB A9G20 DT support
  ARM: at91: dt: at91sam9g45 family and board device tree files
  arm/mx5: add device tree support for imx51 babbage
  arm/mx5: add device tree support for imx53 boards
  ARM: msm: Add devicetree support for msm8660-surf
  msm_serial: Add devicetree support
  msm_serial: Use relative resources for iomem

Fix up conflicts in arch/arm/mach-at91/{at91sam9260.c,at91sam9g45.c}

2 files changed, 18 insertions, 1 deletions

diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index 3ad553e8eae2..99834e581b9e 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -47,6 +47,7 @@ struct irq_domain_ops {
  *            of the irq_domain is responsible for allocating the array of
  *            irq_desc structures.
  * @nr_irq: Number of irqs managed by the irq domain
+ * @hwirq_base: Starting number for hwirqs managed by the irq domain
  * @ops: pointer to irq_domain methods
  * @priv: private data pointer for use by owner.  Not touched by irq_domain
  *        core code.
@@ -57,6 +58,7 @@ struct irq_domain {
 	struct list_head list;
 	unsigned int irq_base;
 	unsigned int nr_irq;
+	unsigned int hwirq_base;
 	const struct irq_domain_ops *ops;
 	void *priv;
 	struct device_node *of_node;
@@ -72,9 +74,21 @@ struct irq_domain {
 static inline unsigned int irq_domain_to_irq(struct irq_domain *d,
 					     unsigned long hwirq)
 {
-	return d->ops->to_irq ? d->ops->to_irq(d, hwirq) : d->irq_base + hwirq;
+	if (d->ops->to_irq)
+		return d->ops->to_irq(d, hwirq);
+	if (WARN_ON(hwirq < d->hwirq_base))
+		return 0;
+	return d->irq_base + hwirq - d->hwirq_base;
 }
 
+#define irq_domain_for_each_hwirq(d, hw) \
+	for (hw = d->hwirq_base; hw < d->hwirq_base + d->nr_irq; hw++)
+
+#define irq_domain_for_each_irq(d, hw, irq) \
+	for (hw = d->hwirq_base, irq = irq_domain_to_irq(d, hw); \
+	     hw < d->hwirq_base + d->nr_irq; \
+	     hw++, irq = irq_domain_to_irq(d, hw))
+
 extern void irq_domain_add(struct irq_domain *domain);
 extern void irq_domain_del(struct irq_domain *domain);
 #endif /* CONFIG_IRQ_DOMAIN */
diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h
index cd2e61ce4e83..d0307eed20c9 100644
--- a/include/linux/of_irq.h
+++ b/include/linux/of_irq.h
@@ -33,6 +33,8 @@ struct of_irq {
 	u32 specifier[OF_MAX_IRQ_SPEC]; /* Specifier copy */
 };
 
+typedef int (*of_irq_init_cb_t)(struct device_node *, struct device_node *);
+
 /*
  * Workarounds only applied to 32bit powermac machines
  */
@@ -73,6 +75,7 @@ extern int of_irq_to_resource_table(struct device_node *dev,
 		struct resource *res, int nr_irqs);
 extern struct device_node *of_irq_find_parent(struct device_node *child);
 
+extern void of_irq_init(const struct of_device_id *matches);
 
 #endif /* CONFIG_OF_IRQ */
 #endif /* CONFIG_OF */