[PATCH V2 16/21] clocksource/timer-riscv: Add ACPI support

Sunil V L
2023-02-16T18:23:26Z

Initialize the timer driver based on RHCT table on ACPI based
platforms.

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
drivers/clocksource/timer-riscv.c | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/drivers/clocksource/timer-riscv.c b/drivers/clocksource/timer-riscv.c
index 2ae8e300d303..5fb0eac52bdd 100644
--- a/drivers/clocksource/timer-riscv.c
+++ b/drivers/clocksource/timer-riscv.c
@@ -10,6 +10,7 @@

#define pr_fmt(fmt) "riscv-timer: " fmt

+#include <linux/acpi.h>
#include <linux/clocksource.h>
#include <linux/clockchips.h>
#include <linux/cpu.h>
@@ -201,3 +202,13 @@ static int __init riscv_timer_init_dt(struct device_node *n)
}

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)
+{
+ return riscv_timer_init_common();
+}
+
+TIMER_ACPI_DECLARE(aclint_mtimer, ACPI_SIG_RHCT, riscv_timer_acpi_init);
+
+#endif
--
2.34.1