diff options
| author | Ingo Molnar <mingo@kernel.org> | 2020-10-09 08:55:17 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-10-09 08:55:17 +0200 |
| commit | e705d397965811ac528d7213b42d74ffe43caf38 (patch) | |
| tree | 8a5bbe85cc42e64992b97859976e307027f83e33 /drivers/clocksource/timer-clint.c | |
| parent | d89d5f855f84ccf3f7e648813b4bb95c780bd7cd (diff) | |
| parent | baffd723e44dc3d7f84f0b8f1fe1ece00ddd2710 (diff) | |
Merge branch 'locking/urgent' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/clocksource/timer-clint.c')
| -rw-r--r-- | drivers/clocksource/timer-clint.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/clocksource/timer-clint.c b/drivers/clocksource/timer-clint.c index 8eeafa82c03d..6cfe2ab73eb0 100644 --- a/drivers/clocksource/timer-clint.c +++ b/drivers/clocksource/timer-clint.c @@ -19,6 +19,11 @@ #include <linux/interrupt.h> #include <linux/of_irq.h> #include <linux/smp.h> +#include <linux/timex.h> + +#ifndef CONFIG_RISCV_M_MODE +#include <asm/clint.h> +#endif #define CLINT_IPI_OFF 0 #define CLINT_TIMER_CMP_OFF 0x4000 @@ -31,6 +36,11 @@ static u64 __iomem *clint_timer_val; static unsigned long clint_timer_freq; static unsigned int clint_timer_irq; +#ifdef CONFIG_RISCV_M_MODE +u64 __iomem *clint_time_val; +EXPORT_SYMBOL(clint_time_val); +#endif + static void clint_send_ipi(const struct cpumask *target) { unsigned int cpu; @@ -184,6 +194,14 @@ static int __init clint_timer_init_dt(struct device_node *np) clint_timer_val = base + CLINT_TIMER_VAL_OFF; clint_timer_freq = riscv_timebase; +#ifdef CONFIG_RISCV_M_MODE + /* + * Yes, that's an odd naming scheme. time_val is public, but hopefully + * will die in favor of something cleaner. + */ + clint_time_val = clint_timer_val; +#endif + pr_info("%pOFP: timer running at %ld Hz\n", np, clint_timer_freq); rc = clocksource_register_hz(&clint_clocksource, clint_timer_freq); |