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ACPI: Add LoongArch support for ACPI_PROCESSOR/ACPI_NUMA 

ANBZ: #5200

commit b1121e2a18 upstream.

We are preparing to add new Loongson (based on LoongArch, not MIPS)
support. LoongArch use ACPI other than DT as its boot protocol, so
add its support for ACPI_PROCESSOR/ACPI_NUMA.

Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Xuefeng Li <lixuefeng@loongson.cn>
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Juxin Gao <gaojuxin@loongson.cn>
Link: https://gitee.com/anolis/cloud-kernel/pulls/1826
This commit is contained in:
Huacai Chen 2021-07-05 20:42:04 +08:00 committed by Juxin Gao
parent 8a75da2281
commit dfb6802fed
4 changed files with 5 additions and 5 deletions
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4
drivers/acpi/Kconfig
View File

@ -275,9 +275,9 @@ config ACPI_CPPC_LIB
config ACPI_PROCESSOR
tristate "Processor"
depends on X86 || IA64 || ARM64
depends on X86 || IA64 || ARM64 || LOONGARCH
select ACPI_PROCESSOR_IDLE
select ACPI_CPU_FREQ_PSS if X86 || IA64
select ACPI_CPU_FREQ_PSS if X86 || IA64 || LOONGARCH
default y
help
This driver adds support for the ACPI Processor package. It is required

2
drivers/acpi/numa/Kconfig
View File

@ -2,7 +2,7 @@
config ACPI_NUMA
bool "NUMA support"
depends on NUMA
depends on (X86 || IA64 || ARM64)
depends on (X86 || IA64 || ARM64 || LOONGARCH)
default y if IA64 || ARM64
config ACPI_HMAT

2
drivers/acpi/numa/srat.c
View File

@ -206,7 +206,7 @@ int __init srat_disabled(void)
return acpi_numa < 0;
}
#if defined(CONFIG_X86) || defined(CONFIG_ARM64)
#if defined(CONFIG_X86) || defined(CONFIG_ARM64) || defined(CONFIG_LOONGARCH)
/*
* Callback for SLIT parsing. pxm_to_node() returns NUMA_NO_NODE for
* I/O localities since SRAT does not list them. I/O localities are

2
include/linux/acpi.h
View File

@ -249,7 +249,7 @@ void acpi_table_print_madt_entry (struct acpi_subtable_header *madt);
/* the following numa functions are architecture-dependent */
void acpi_numa_slit_init (struct acpi_table_slit *slit);
#if defined(CONFIG_X86) || defined(CONFIG_IA64)
#if defined(CONFIG_X86) || defined(CONFIG_IA64) || defined(CONFIG_LOONGARCH)
void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa);
#else
static inline void