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clocksource/timer-riscv: ACPI: Add timer_cannot_wakeup_cpu

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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
This commit is contained in:
Sunil V L 2023-09-27 22:30:15 +05:30 • committed by Daniel Lezcano
parent fd73c011a1
commit d7f546c751
1 changed files with 4 additions and 0 deletions
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4
drivers/clocksource/timer-riscv.c
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@ -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();
}