diff options
Diffstat (limited to 'arch/arm/mach-imx/time.c')
| -rw-r--r-- | arch/arm/mach-imx/time.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/time.c b/arch/arm/mach-imx/time.c index 1a3a5f615770..65222ea0df6d 100644 --- a/arch/arm/mach-imx/time.c +++ b/arch/arm/mach-imx/time.c @@ -25,6 +25,7 @@ #include <linux/irq.h> #include <linux/clockchips.h> #include <linux/clk.h> +#include <linux/delay.h> #include <linux/err.h> #include <linux/sched_clock.h> @@ -116,11 +117,22 @@ static u64 notrace mxc_read_sched_clock(void) return sched_clock_reg ? __raw_readl(sched_clock_reg) : 0; } +static struct delay_timer imx_delay_timer; + +static unsigned long imx_read_current_timer(void) +{ + return __raw_readl(sched_clock_reg); +} + static int __init mxc_clocksource_init(struct clk *timer_clk) { unsigned int c = clk_get_rate(timer_clk); void __iomem *reg = timer_base + (timer_is_v2() ? V2_TCN : MX1_2_TCN); + imx_delay_timer.read_current_timer = &imx_read_current_timer; + imx_delay_timer.freq = c; + register_current_timer_delay(&imx_delay_timer); + sched_clock_reg = reg; sched_clock_register(mxc_read_sched_clock, 32, c); |