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ARM: mxs: get timrot base address from device tree

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Instead of using static defines, it gets timrot base address with
mapping from device tree.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Shawn Guo 2013-03-25 14:57:41 +08:00
parent 2efb950465
commit be35bd2bcd
1 changed files with 5 additions and 1 deletions
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6
arch/arm/mach-mxs/timer.c
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@ -26,6 +26,7 @@
#include <linux/clockchips.h>
#include <linux/clk.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <asm/mach/time.h>
@ -79,7 +80,7 @@
static struct clock_event_device mxs_clockevent_device;
static enum clock_event_mode mxs_clockevent_mode = CLOCK_EVT_MODE_UNUSED;
static void __iomem *mxs_timrot_base = MXS_IO_ADDRESS(MXS_TIMROT_BASE_ADDR);
static void __iomem *mxs_timrot_base;
static u32 timrot_major_version;
static inline void timrot_irq_disable(void)
@ -247,6 +248,9 @@ static void __init mxs_timer_init(struct device_node *np)
struct clk *timer_clk;
int irq;
mxs_timrot_base = of_iomap(np, 0);
WARN_ON(!mxs_timrot_base);
timer_clk = of_clk_get(np, 0);
if (IS_ERR(timer_clk)) {
pr_err("%s: failed to get clk\n", __func__);