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ACPI: bus: Add acpi_riscv_init() function

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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. So, add acpi_riscv_init() similar to acpi_arm_init().

Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Tested-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://patch.msgid.link/20240812005929.113499-4-sunilvl@ventanamicro.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Sunil V L 2024-08-12 06:29:15 +05:30 committed by Rafael J. Wysocki
parent a9b8f337ea
commit f7d7ccf92f
4 changed files with 19 additions and 1 deletions
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1
drivers/acpi/bus.c
View File

@ -1459,6 +1459,7 @@ 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();

2
drivers/acpi/riscv/Makefile
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@ -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

11
drivers/acpi/riscv/init.c Normal file
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@ -0,0 +1,11 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2023-2024, Ventana Micro Systems Inc
* Author: Sunil V L <sunilvl@ventanamicro.com>
*/
#include <linux/acpi.h>
void __init acpi_riscv_init(void)
{
}

6
include/linux/acpi.h
View File

@ -1531,6 +1531,12 @@ 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