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x86: acpi: Export acpi_fill_mcfg() with __weak attribute
Some platforms might require different approach when filling memory mappings configuration table. Allow them to override the common method. At the same time export acpi_create_mcfg_mmconfig(). Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
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2 changed files with 6 additions and 3 deletions
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@ -314,6 +314,9 @@ int acpi_create_madt_irqoverride(struct acpi_madt_irqoverride *irqoverride,
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int acpi_create_madt_lapic_nmi(struct acpi_madt_lapic_nmi *lapic_nmi,
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u8 cpu, u16 flags, u8 lint);
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u32 acpi_fill_madt(u32 current);
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int acpi_create_mcfg_mmconfig(struct acpi_mcfg_mmconfig *mmconfig, u32 base,
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u16 seg_nr, u8 start, u8 end);
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u32 acpi_fill_mcfg(u32 current);
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void acpi_create_gnvs(struct acpi_global_nvs *gnvs);
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/**
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* enter_acpi_mode() - enter into ACPI mode
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@ -293,8 +293,8 @@ static void acpi_create_madt(struct acpi_madt *madt)
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header->checksum = table_compute_checksum((void *)madt, header->length);
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}
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static int acpi_create_mcfg_mmconfig(struct acpi_mcfg_mmconfig *mmconfig,
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u32 base, u16 seg_nr, u8 start, u8 end)
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int acpi_create_mcfg_mmconfig(struct acpi_mcfg_mmconfig *mmconfig, u32 base,
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u16 seg_nr, u8 start, u8 end)
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{
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memset(mmconfig, 0, sizeof(*mmconfig));
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mmconfig->base_address_l = base;
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@ -306,7 +306,7 @@ static int acpi_create_mcfg_mmconfig(struct acpi_mcfg_mmconfig *mmconfig,
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return sizeof(struct acpi_mcfg_mmconfig);
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}
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static u32 acpi_fill_mcfg(u32 current)
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__weak u32 acpi_fill_mcfg(u32 current)
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{
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current += acpi_create_mcfg_mmconfig
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((struct acpi_mcfg_mmconfig *)current,
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