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ACPI: Add LoongArch support for ACPI_PROCESSOR/ACPI_NUMA

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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>
This commit is contained in:
Huacai Chen 2021-07-05 20:42:04 +08:00 committed by Rafael J. Wysocki
parent e73f0f0ee7
commit b1121e2a18
4 changed files with 5 additions and 5 deletions
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4
drivers/acpi/Kconfig
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@ -280,9 +280,9 @@ 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
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@ -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
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@ -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
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@ -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