diff options
| author | Sunil V L <[email protected]> | 2023-05-15 11:19:17 +0530 |
|---|---|---|
| committer | Palmer Dabbelt <[email protected]> | 2023-06-01 08:45:04 -0700 |
| commit | e6b9d8eddb1772d99a676a906d42865293934edd (patch) | |
| tree | 3b0b04405b08afa3cfdb894546d2211a9ff53640 /arch/riscv/include/asm/acpi.h | |
| parent | f995611994704b5c039731287b897993808e63e3 (diff) | |
drivers/acpi: RISC-V: Add RHCT related code
RHCT is a new table defined for RISC-V to communicate the
features of the CPU to the OS. Create a new architecture folder
in drivers/acpi and add RHCT parsing code.
Signed-off-by: Sunil V L <[email protected]>
Acked-by: Rafael J. Wysocki <[email protected]>
Reviewed-by: Andrew Jones <[email protected]>
Reviewed-by: Palmer Dabbelt <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Palmer Dabbelt <[email protected]>
Diffstat (limited to 'arch/riscv/include/asm/acpi.h')
| -rw-r--r-- | arch/riscv/include/asm/acpi.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/acpi.h b/arch/riscv/include/asm/acpi.h index 6519529c8bdf..39471759bec1 100644 --- a/arch/riscv/include/asm/acpi.h +++ b/arch/riscv/include/asm/acpi.h @@ -62,6 +62,8 @@ static inline void arch_fix_phys_package_id(int num, u32 slot) { } void acpi_init_rintc_map(void); struct acpi_madt_rintc *acpi_cpu_get_madt_rintc(int cpu); u32 get_acpi_id_for_cpu(int cpu); +int acpi_get_riscv_isa(struct acpi_table_header *table, + unsigned int cpu, const char **isa); #else static inline void acpi_init_rintc_map(void) { } static inline struct acpi_madt_rintc *acpi_cpu_get_madt_rintc(int cpu) @@ -69,6 +71,12 @@ static inline struct acpi_madt_rintc *acpi_cpu_get_madt_rintc(int cpu) return NULL; } +static inline int acpi_get_riscv_isa(struct acpi_table_header *table, + unsigned int cpu, const char **isa) +{ + return -EINVAL; +} + #endif /* CONFIG_ACPI */ #endif /*_ASM_ACPI_H*/ |