1 files changed, 26 insertions, 22 deletions

diff --git a/drivers/irqchip/irq-omap-intc.c b/drivers/irqchip/irq-omap-intc.c
index 28718d3e8281..a569c6dbd1d1 100644
--- a/drivers/irqchip/irq-omap-intc.c
+++ b/drivers/irqchip/irq-omap-intc.c
@@ -263,7 +263,7 @@ static int __init omap_init_irq_of(struct device_node *node)
 	return ret;
 }
 
-static int __init omap_init_irq_legacy(u32 base)
+static int __init omap_init_irq_legacy(u32 base, struct device_node *node)
 {
 	int j, irq_base;
 
@@ -277,7 +277,7 @@ static int __init omap_init_irq_legacy(u32 base)
 		irq_base = 0;
 	}
 
-	domain = irq_domain_add_legacy(NULL, omap_nr_irqs, irq_base, 0,
+	domain = irq_domain_add_legacy(node, omap_nr_irqs, irq_base, 0,
 			&irq_domain_simple_ops, NULL);
 
 	omap_irq_soft_reset();
@@ -301,10 +301,26 @@ static int __init omap_init_irq(u32 base, struct device_node *node)
 {
 	int ret;
 
-	if (node)
+	/*
+	 * FIXME legacy OMAP DMA driver sitting under arch/arm/plat-omap/dma.c
+	 * depends is still not ready for linear IRQ domains; because of that
+	 * we need to temporarily "blacklist" OMAP2 and OMAP3 devices from using
+	 * linear IRQ Domain until that driver is finally fixed.
+	 */
+	if (of_device_is_compatible(node, "ti,omap2-intc") ||
+			of_device_is_compatible(node, "ti,omap3-intc")) {
+		struct resource res;
+
+		if (of_address_to_resource(node, 0, &res))
+			return -ENOMEM;
+
+		base = res.start;
+		ret = omap_init_irq_legacy(base, node);
+	} else if (node) {
 		ret = omap_init_irq_of(node);
-	else
-		ret = omap_init_irq_legacy(base);
+	} else {
+		ret = omap_init_irq_legacy(base, NULL);
+	}
 
 	if (ret == 0)
 		omap_irq_enable_protection();
@@ -348,14 +364,6 @@ out:
 		omap_ack_irq(NULL);
 }
 
-void __init omap2_init_irq(void)
-{
-	omap_nr_irqs = 96;
-	omap_nr_pending = 3;
-	omap_init_irq(OMAP24XX_IC_BASE, NULL);
-	set_handle_irq(omap_intc_handle_irq);
-}
-
 void __init omap3_init_irq(void)
 {
 	omap_nr_irqs = 96;
@@ -364,14 +372,6 @@ void __init omap3_init_irq(void)
 	set_handle_irq(omap_intc_handle_irq);
 }
 
-void __init ti81xx_init_irq(void)
-{
-	omap_nr_irqs = 96;
-	omap_nr_pending = 4;
-	omap_init_irq(OMAP34XX_IC_BASE, NULL);
-	set_handle_irq(omap_intc_handle_irq);
-}
-
 static int __init intc_of_init(struct device_node *node,
 			     struct device_node *parent)
 {
@@ -383,7 +383,9 @@ static int __init intc_of_init(struct device_node *node,
 	if (WARN_ON(!node))
 		return -ENODEV;
 
-	if (of_device_is_compatible(node, "ti,am33xx-intc")) {
+	if (of_device_is_compatible(node, "ti,dm814-intc") ||
+	    of_device_is_compatible(node, "ti,dm816-intc") ||
+	    of_device_is_compatible(node, "ti,am33xx-intc")) {
 		omap_nr_irqs = 128;
 		omap_nr_pending = 4;
 	}
@@ -399,4 +401,6 @@ static int __init intc_of_init(struct device_node *node,
 
 IRQCHIP_DECLARE(omap2_intc, "ti,omap2-intc", intc_of_init);
 IRQCHIP_DECLARE(omap3_intc, "ti,omap3-intc", intc_of_init);
+IRQCHIP_DECLARE(dm814x_intc, "ti,dm814-intc", intc_of_init);
+IRQCHIP_DECLARE(dm816x_intc, "ti,dm816-intc", intc_of_init);
 IRQCHIP_DECLARE(am33xx_intc, "ti,am33xx-intc", intc_of_init);