[PATCH 1/3] ARM: mxs: get icoll base address from device tree
Shawn Guo
shawn.guo at linaro.org
Mon Mar 25 11:22:49 EDT 2013
Rather than using the static definition, it gets icoll base address
with mapping from device tree.
As the result, <mach/mxs.h> inclusion can be removed from the driver
now.
Signed-off-by: Shawn Guo <shawn.guo at linaro.org>
---
arch/arm/mach-mxs/icoll.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-mxs/icoll.c b/arch/arm/mach-mxs/icoll.c
index e26eeba..1cf32af 100644
--- a/arch/arm/mach-mxs/icoll.c
+++ b/arch/arm/mach-mxs/icoll.c
@@ -22,9 +22,9 @@
#include <linux/irqdomain.h>
#include <linux/io.h>
#include <linux/of.h>
+#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <asm/exception.h>
-#include <mach/mxs.h>
#include <mach/common.h>
#define HW_ICOLL_VECTOR 0x0000
@@ -38,7 +38,7 @@
#define ICOLL_NUM_IRQS 128
-static void __iomem *icoll_base = MXS_IO_ADDRESS(MXS_ICOLL_BASE_ADDR);
+static void __iomem *icoll_base;
static struct irq_domain *icoll_domain;
static void icoll_ack_irq(struct irq_data *d)
@@ -103,6 +103,9 @@ static struct irq_domain_ops icoll_irq_domain_ops = {
static void __init icoll_of_init(struct device_node *np,
struct device_node *interrupt_parent)
{
+ icoll_base = of_iomap(np, 0);
+ WARN_ON(!icoll_base);
+
/*
* Interrupt Collector reset, which initializes the priority
* for each irq to level 0.
--
1.7.9.5
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