diff options
Diffstat (limited to 'drivers/clocksource/timer-imx-sysctr.c')
| -rw-r--r-- | drivers/clocksource/timer-imx-sysctr.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/clocksource/timer-imx-sysctr.c b/drivers/clocksource/timer-imx-sysctr.c index fd7d68066efb..523e37662a6e 100644 --- a/drivers/clocksource/timer-imx-sysctr.c +++ b/drivers/clocksource/timer-imx-sysctr.c @@ -4,8 +4,6 @@ #include <linux/interrupt.h> #include <linux/clockchips.h> -#include <linux/of_address.h> -#include <linux/of_irq.h> #include "timer-of.h" @@ -20,8 +18,10 @@ #define SYS_CTR_EN 0x1 #define SYS_CTR_IRQ_MASK 0x2 -static void __iomem *sys_ctr_base; -static u32 cmpcr; +#define SYS_CTR_CLK_DIV 0x3 + +static void __iomem *sys_ctr_base __ro_after_init; +static u32 cmpcr __ro_after_init; static void sysctr_timer_enable(bool enable) { @@ -110,7 +110,7 @@ static struct timer_of to_sysctr = { }, .of_irq = { .handler = sysctr_timer_interrupt, - .flags = IRQF_TIMER | IRQF_IRQPOLL, + .flags = IRQF_TIMER, }, .of_clk = { .name = "per", @@ -119,7 +119,7 @@ static struct timer_of to_sysctr = { static void __init sysctr_clockevent_init(void) { - to_sysctr.clkevt.cpumask = cpumask_of(0); + to_sysctr.clkevt.cpumask = cpu_possible_mask; clockevents_config_and_register(&to_sysctr.clkevt, timer_of_rate(&to_sysctr), @@ -134,6 +134,9 @@ static int __init sysctr_timer_init(struct device_node *np) if (ret) return ret; + /* system counter clock is divided by 3 internally */ + to_sysctr.of_clk.rate /= SYS_CTR_CLK_DIV; + sys_ctr_base = timer_of_base(&to_sysctr); cmpcr = readl(sys_ctr_base + CMPCR); cmpcr &= ~SYS_CTR_EN; |