diff mbox series

[RFC,v1,10/21] clocksource/timer-riscv: ACPI: Add timer_cannot_wakeup_cpu

Message ID 20230803175916.3174453-11-sunilvl@ventanamicro.com
State New
Headers show
Series RISC-V: ACPI: Add external interrupt controller support | expand

Commit Message

Sunil V L Aug. 3, 2023, 5:59 p.m. UTC 
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>
---
 drivers/clocksource/timer-riscv.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

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();
 }