diff options
| author | Sunil V L <sunilvl@ventanamicro.com> | 2023-09-27 22:30:15 +0530 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2023-10-11 12:06:41 +0200 |
| commit | d7f546c751e8c873302331af6a203ee61f894e9d (patch) | |
| tree | 21e621a7c6b6729af3a5ee4c40f2ed24015488cf /drivers/clocksource | |
| parent | fd73c011a123a66d88998f356c920d33d87524cf (diff) | |
| download | lwn-d7f546c751e8c873302331af6a203ee61f894e9d.tar.gz lwn-d7f546c751e8c873302331af6a203ee61f894e9d.zip | |
clocksource/timer-riscv: ACPI: Add timer_cannot_wakeup_cpu
The timer capability to wakeup the cpu irrespective of its idle state is
provided by the flag in RHCT. Update the timer code to set this flag.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20230927170015.295232-5-sunilvl@ventanamicro.com
Diffstat (limited to 'drivers/clocksource')
| -rw-r--r-- | drivers/clocksource/timer-riscv.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/clocksource/timer-riscv.c b/drivers/clocksource/timer-riscv.c index da3071b387eb..50198657230e 100644 --- a/drivers/clocksource/timer-riscv.c +++ b/drivers/clocksource/timer-riscv.c @@ -212,6 +212,10 @@ TIMER_OF_DECLARE(riscv_timer, "riscv", riscv_timer_init_dt); #ifdef CONFIG_ACPI static int __init riscv_timer_acpi_init(struct acpi_table_header *table) { + struct acpi_table_rhct *rhct = (struct acpi_table_rhct *)table; + + riscv_timer_cannot_wake_cpu = rhct->flags & ACPI_RHCT_TIMER_CANNOT_WAKEUP_CPU; + return riscv_timer_init_common(); } |