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Message-Id: <20240601150411.1929783-4-sunilvl@ventanamicro.com>
Date: Sat, 1 Jun 2024 20:33:57 +0530
From: Sunil V L <sunilvl@...tanamicro.com>
To: linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org,
linux-riscv@...ts.infradead.org,
linux-acpi@...r.kernel.org,
linux-pci@...r.kernel.org,
acpica-devel@...ts.linux.dev
Cc: Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>,
Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>,
"Rafael J . Wysocki" <rafael@...nel.org>,
Len Brown <lenb@...nel.org>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Anup Patel <anup@...infault.org>,
Thomas Gleixner <tglx@...utronix.de>,
Samuel Holland <samuel.holland@...ive.com>,
Robert Moore <robert.moore@...el.com>,
Conor Dooley <conor.dooley@...rochip.com>,
Andrew Jones <ajones@...tanamicro.com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Marc Zyngier <maz@...nel.org>,
Atish Kumar Patra <atishp@...osinc.com>,
Haibo1 Xu <haibo1.xu@...el.com>,
Björn Töpel <bjorn@...nel.org>,
Sunil V L <sunilvl@...tanamicro.com>
Subject: [PATCH v6 03/17] ACPI: bus: Add acpi_riscv_init function
Add a new function for RISC-V to do architecture specific initialization
similar to acpi_arm_init(). Some of the ACPI tables are architecture
specific and there is no reason trying to find them on other
architectures.
Signed-off-by: Sunil V L <sunilvl@...tanamicro.com>
---
drivers/acpi/bus.c | 1 +
drivers/acpi/riscv/Makefile | 2 +-
drivers/acpi/riscv/init.c | 12 ++++++++++++
include/linux/acpi.h | 6 ++++++
4 files changed, 20 insertions(+), 1 deletion(-)
create mode 100644 drivers/acpi/riscv/init.c
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 787eca838410..8d0710ade8c6 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -1457,6 +1457,7 @@ static int __init acpi_init(void)
acpi_hest_init();
acpi_ghes_init();
acpi_arm_init();
+ acpi_riscv_init();
acpi_scan_init();
acpi_ec_init();
acpi_debugfs_init();
diff --git a/drivers/acpi/riscv/Makefile b/drivers/acpi/riscv/Makefile
index 86b0925f612d..877de00d1b50 100644
--- a/drivers/acpi/riscv/Makefile
+++ b/drivers/acpi/riscv/Makefile
@@ -1,4 +1,4 @@
# SPDX-License-Identifier: GPL-2.0-only
-obj-y += rhct.o
+obj-y += rhct.o init.o
obj-$(CONFIG_ACPI_PROCESSOR_IDLE) += cpuidle.o
obj-$(CONFIG_ACPI_CPPC_LIB) += cppc.o
diff --git a/drivers/acpi/riscv/init.c b/drivers/acpi/riscv/init.c
new file mode 100644
index 000000000000..5f7571143245
--- /dev/null
+++ b/drivers/acpi/riscv/init.c
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2023-2024, Ventana Micro Systems Inc
+ * Author: Sunil V L <sunilvl@...tanamicro.com>
+ *
+ */
+
+#include <linux/acpi.h>
+
+void __init acpi_riscv_init(void)
+{
+}
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index ab3f2880d209..0c6d9539f737 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -1520,6 +1520,12 @@ void acpi_arm_init(void);
static inline void acpi_arm_init(void) { }
#endif
+#ifdef CONFIG_RISCV
+void acpi_riscv_init(void);
+#else
+static inline void acpi_riscv_init(void) { }
+#endif
+
#ifdef CONFIG_ACPI_PCC
void acpi_init_pcc(void);
#else
--
2.40.1
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