From: Sunil V L <sunilvl@ventanamicro.com>
To: Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Paul Walmsley <paul.walmsley@sifive.com>,
"Rafael J . Wysocki" <rafael@kernel.org>,
Len Brown <lenb@kernel.org>, Thomas Gleixner <tglx@linutronix.de>,
Marc Zyngier <maz@kernel.org>, Jonathan Corbet <corbet@lwn.net>
Cc: linux-riscv@lists.infradead.org, linux-acpi@vger.kernel.org,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
Conor Dooley <conor.dooley@microchip.com>,
Andrew Jones <ajones@ventanamicro.com>,
Anup Patel <apatel@ventanamicro.com>,
Atish Patra <atishp@rivosinc.com>,
Sunil V L <sunilvl@ventanamicro.com>,
"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>
Subject: [PATCH V2 16/21] clocksource/timer-riscv: Add ACPI support
Date: Thu, 16 Feb 2023 23:50:38 +0530 [thread overview]
Message-ID: <20230216182043.1946553-17-sunilvl@ventanamicro.com> (raw)
In-Reply-To: <20230216182043.1946553-1-sunilvl@ventanamicro.com>
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
next prev parent reply other threads:[~2023-02-16 18:23 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-16 18:20 [PATCH V2 00/21] Add basic ACPI support for RISC-V Sunil V L
2023-02-16 18:20 ` [PATCH V2 01/21] riscv: move sbi_init() earlier before jump_label_init() Sunil V L
2023-02-16 18:20 ` [PATCH V2 02/21] ACPICA: MADT: Add RISC-V INTC interrupt controller Sunil V L
2023-02-16 18:20 ` [PATCH V2 03/21] ACPICA: Add structure definitions for RISC-V RHCT Sunil V L
2023-02-16 18:20 ` [PATCH V2 04/21] RISC-V: Add support to build the ACPI core Sunil V L
2023-02-20 15:44 ` Andrew Jones
2023-02-24 9:00 ` Sunil V L
2023-02-16 18:20 ` [PATCH V2 05/21] ACPI: Kconfig: Enable ACPI_PROCESSOR for RISC-V Sunil V L
2023-02-20 16:05 ` Andrew Jones
2023-02-24 8:45 ` Sunil V L
2023-02-16 18:20 ` [PATCH V2 06/21] ACPI: OSL: Make should_use_kmap() 0 " Sunil V L
2023-02-16 18:20 ` [PATCH V2 07/21] ACPI: processor_core: RISC-V: Enable mapping processor to the hartid Sunil V L
2023-02-20 16:10 ` Andrew Jones
2023-02-16 18:20 ` [PATCH V2 08/21] drivers/acpi: RISC-V: Add RHCT related code Sunil V L
2023-02-20 16:36 ` Andrew Jones
2023-02-24 12:03 ` Sunil V L
2023-02-16 18:20 ` [PATCH V2 09/21] RISC-V: smpboot: Create wrapper smp_setup() Sunil V L
2023-02-20 16:37 ` Andrew Jones
2023-02-16 18:20 ` [PATCH V2 10/21] RISC-V: smpboot: Add ACPI support in smp_setup() Sunil V L
2023-02-20 17:08 ` Andrew Jones
2023-02-24 16:50 ` Sunil V L
2023-02-24 17:06 ` Andrew Jones
2023-02-16 18:20 ` [PATCH V2 11/21] RISC-V: ACPI: Add a function to retrieve the hartid Sunil V L
2023-02-20 17:34 ` Andrew Jones
2023-02-16 18:20 ` [PATCH V2 12/21] RISC-V: cpufeature: Add ACPI support in riscv_fill_hwcap() Sunil V L
2023-02-20 17:45 ` Andrew Jones
2023-02-16 18:20 ` [PATCH V2 13/21] RISC-V: cpu: Enable cpuinfo for ACPI systems Sunil V L
2023-02-20 17:54 ` Andrew Jones
2023-02-24 12:27 ` Sunil V L
2023-02-16 18:20 ` [PATCH V2 14/21] irqchip/riscv-intc: Add ACPI support Sunil V L
2023-02-20 19:37 ` Andrew Jones
2023-02-24 12:29 ` Sunil V L
2023-02-16 18:20 ` [PATCH V2 15/21] clocksource/timer-riscv: Refactor riscv_timer_init_dt() Sunil V L
2023-02-20 19:47 ` Andrew Jones
2023-02-16 18:20 ` Sunil V L [this message]
2023-02-20 19:51 ` [PATCH V2 16/21] clocksource/timer-riscv: Add ACPI support Andrew Jones
2023-02-16 18:20 ` [PATCH V2 17/21] RISC-V: time.c: Add ACPI support for time_init() Sunil V L
2023-02-20 19:58 ` Andrew Jones
2023-02-24 12:33 ` Sunil V L
2023-02-16 18:20 ` [PATCH V2 18/21] RISC-V: Add ACPI initialization in setup_arch() Sunil V L
2023-02-20 20:07 ` Andrew Jones
2023-02-24 12:36 ` Sunil V L
2023-02-24 13:07 ` Andrew Jones
2023-02-24 14:44 ` Sunil V L
2023-02-16 18:20 ` [PATCH V2 19/21] RISC-V: Enable ACPI in defconfig Sunil V L
2023-02-20 20:09 ` Andrew Jones
2023-02-24 8:46 ` Sunil V L
2023-02-16 18:20 ` [PATCH V2 20/21] MAINTAINERS: Add entry for drivers/acpi/riscv Sunil V L
2023-02-20 20:14 ` Andrew Jones
2023-02-24 12:38 ` Sunil V L
2023-02-16 18:20 ` [PATCH V2 21/21] Documentation/kernel-parameters.txt: Add RISC-V for ACPI parameter Sunil V L
2023-02-20 20:15 ` Andrew Jones
2023-02-24 12:37 ` Sunil V L
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