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| author | Shawn Guo <shawn.guo@linaro.org> | 2013-03-25 14:57:41 +0800 |
|---|---|---|
| committer | Shawn Guo <shawn.guo@linaro.org> | 2013-04-01 16:30:02 +0800 |
| commit | be35bd2bcd4fc5d67a24ad134138e606f69d11a4 (patch) | |
| tree | d8dc56d09b4163ef3200b05371ba7a99098daad2 /arch/arm | |
| parent | 2efb950465e9180c3ff657a755b8a973f7b9ae42 (diff) | |
| download | lwn-be35bd2bcd4fc5d67a24ad134138e606f69d11a4.tar.gz lwn-be35bd2bcd4fc5d67a24ad134138e606f69d11a4.zip | |
ARM: mxs: get timrot base address from device tree
Instead of using static defines, it gets timrot base address with
mapping from device tree.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-mxs/timer.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm/mach-mxs/timer.c b/arch/arm/mach-mxs/timer.c index f5142aa234a3..c8cda1834655 100644 --- a/arch/arm/mach-mxs/timer.c +++ b/arch/arm/mach-mxs/timer.c @@ -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__); |