openwrtv3/target/linux/bcm53xx/patches-3.14/121-bcma-get-irqs-from-dt.patch

From 6611afa6c49434780096cdf2c1028f0ac277f9bc Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Thu, 9 Jan 2014 19:40:14 +0100
Subject: [PATCH v3 2/2] bcma: get IRQ numbers from dt

It is not possible to auto detect the irq numbers used by the cores on
an arm SoC. If bcma was registered with device tree it will search for
some device tree nodes with the irq number and add it to the core
configuration.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
 drivers/bcma/main.c | 49 ++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 48 insertions(+), 1 deletion(-)
 
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -10,6 +10,7 @@
 #include <linux/platform_device.h>
 #include <linux/bcma/bcma.h>
 #include <linux/slab.h>
+#include <linux/of_irq.h>
 #include <linux/of_address.h>
 
 MODULE_DESCRIPTION("Broadcom's specific AMBA driver");
@@ -159,8 +160,10 @@ static void bcma_of_fill_device(struct p
 	struct device_node *node;
 
 	node = bcma_of_find_child_device(parent, core);
-	if (node)
-		core->dev.of_node = node;
+	if (!node)
+		return;
+	core->dev.of_node = node;
+	core->irq = irq_of_parse_and_map(node, 0);
 }
 #else
 static void bcma_of_fill_device(struct platform_device *parent,