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PCI/ACPI: Increase Loongson max PCI hosts to 8 

JIRA: https://issues.redhat.com/browse/RHEL-67693
Upstream Status: 1f35a0c74e441e1a21b5414c25bc01f06e9cca31

commit 1f35a0c74e441e1a21b5414c25bc01f06e9cca31
Author: Huacai Chen <chenhuacai@kernel.org>
Date:   Fri Jul 26 17:29:11 2024 +0800

    PCI/ACPI: Increase Loongson max PCI hosts to 8

    Beginning with Loongson-3C6000, there can be up to 8 PCI hosts for
    multi-chip machines. To support these machines, increase the number of
    entries in mcfg_quirks to 8.

    Link: https://lore.kernel.org/r/20240726092911.2042656-1-chenhuacai@loongson.cn
    Signed-off-by: Haowei Zheng <zhenghaowei@loongson.cn>
    Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
    Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

Signed-off-by: Myron Stowe <mstowe@redhat.com>
This commit is contained in:
Myron Stowe 2025-02-17 12:46:03 -07:00
parent 5c9ad46f71
commit 765dc7f468
1 changed files with 12 additions and 0 deletions
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12
drivers/acpi/pci_mcfg.c
View File

@ -181,6 +181,18 @@ static struct mcfg_fixup mcfg_quirks[] = {
LOONGSON_ECAM_MCFG("LOONGSON", 0),
LOONGSON_ECAM_MCFG("\0", 1),
LOONGSON_ECAM_MCFG("LOONGSON", 1),
LOONGSON_ECAM_MCFG("\0", 2),
LOONGSON_ECAM_MCFG("LOONGSON", 2),
LOONGSON_ECAM_MCFG("\0", 3),
LOONGSON_ECAM_MCFG("LOONGSON", 3),
LOONGSON_ECAM_MCFG("\0", 4),
LOONGSON_ECAM_MCFG("LOONGSON", 4),
LOONGSON_ECAM_MCFG("\0", 5),
LOONGSON_ECAM_MCFG("LOONGSON", 5),
LOONGSON_ECAM_MCFG("\0", 6),
LOONGSON_ECAM_MCFG("LOONGSON", 6),
LOONGSON_ECAM_MCFG("\0", 7),
LOONGSON_ECAM_MCFG("LOONGSON", 7),
#endif /* LOONGARCH */
};