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-rw-r--r--target/linux/bcm53xx/patches-3.14/112-bcma-get-irqs-from-dt.patch74
1 files changed, 74 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-3.14/112-bcma-get-irqs-from-dt.patch b/target/linux/bcm53xx/patches-3.14/112-bcma-get-irqs-from-dt.patch
new file mode 100644
index 0000000000..89faea227f
--- /dev/null
+++ b/target/linux/bcm53xx/patches-3.14/112-bcma-get-irqs-from-dt.patch
@@ -0,0 +1,74 @@
+From 06a21484198df9a4d34fe5062878d3bf4fc14340 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 7/8] bcma: get irqs from dt
+
+---
+ drivers/bcma/main.c | 42 +++++++++++++++++++++++++++++++++++++++++-
+ 1 file changed, 41 insertions(+), 1 deletion(-)
+
+--- a/drivers/bcma/main.c
++++ b/drivers/bcma/main.c
+@@ -10,6 +10,8 @@
+ #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");
+ MODULE_LICENSE("GPL");
+@@ -120,6 +122,38 @@ static void bcma_release_core_dev(struct
+ kfree(core);
+ }
+
++static struct device_node *bcma_of_find_child_device(struct platform_device *parent,
++ struct bcma_device *core)
++{
++ struct device_node *node;
++ u64 size;
++ const __be32 *reg;
++
++ if (!parent || !parent->dev.of_node)
++ return NULL;
++
++ for_each_child_of_node(parent->dev.of_node, node) {
++ reg = of_get_address(node, 0, &size, 0);
++ if (!reg)
++ continue;
++ if (be32_to_cpup(reg) == core->addr)
++ return node;
++ }
++ return NULL;
++}
++
++static void bcma_of_fill_device(struct platform_device *parent,
++ struct bcma_device *core)
++{
++ struct device_node *node;
++
++ node = bcma_of_find_child_device(parent, core);
++ if (!node)
++ return;
++ core->dev.of_node = node;
++ core->irq = irq_of_parse_and_map(node, 0);
++}
++
+ static int bcma_register_cores(struct bcma_bus *bus)
+ {
+ struct bcma_device *core;
+@@ -154,7 +188,13 @@ static int bcma_register_cores(struct bc
+ break;
+ case BCMA_HOSTTYPE_SOC:
+ core->dev.dma_mask = &core->dev.coherent_dma_mask;
+- core->dma_dev = &core->dev;
++ if (bus->host_pdev) {
++ core->dma_dev = &bus->host_pdev->dev;
++ core->dev.parent = &bus->host_pdev->dev;
++ bcma_of_fill_device(bus->host_pdev, core);
++ } else {
++ core->dma_dev = &core->dev;
++ }
+ break;
+ case BCMA_HOSTTYPE_SDIO:
+ break;