* [PATCH] PCI/ACPI: Increase the number of Loongson's PCI host up to 8
@ 2024-07-26 9:29 Huacai Chen
2024-08-01 23:05 ` Bjorn Helgaas
0 siblings, 1 reply; 2+ messages in thread
From: Huacai Chen @ 2024-07-26 9:29 UTC (permalink / raw)
To: Bjorn Helgaas, Rafael J . Wysocki, Len Brown
Cc: linux-pci, linux-acpi, Jianmin Lv, Xuefeng Li, Huacai Chen,
Jiaxun Yang, Huacai Chen, Haowei Zheng
Begin with Loongson-3C6000, the number of PCI host can be as many as 8
for multi-chip machines. To support these machines we also increase the
number of entries in mcfg_quirks up to 8.
Signed-off-by: Haowei Zheng <zhenghaowei@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
drivers/acpi/pci_mcfg.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/acpi/pci_mcfg.c b/drivers/acpi/pci_mcfg.c
index 860014b89b8e..58e10a980114 100644
--- a/drivers/acpi/pci_mcfg.c
+++ b/drivers/acpi/pci_mcfg.c
@@ -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 */
};
--
2.43.5
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH] PCI/ACPI: Increase the number of Loongson's PCI host up to 8
2024-07-26 9:29 [PATCH] PCI/ACPI: Increase the number of Loongson's PCI host up to 8 Huacai Chen
@ 2024-08-01 23:05 ` Bjorn Helgaas
0 siblings, 0 replies; 2+ messages in thread
From: Bjorn Helgaas @ 2024-08-01 23:05 UTC (permalink / raw)
To: Huacai Chen
Cc: Bjorn Helgaas, Rafael J . Wysocki, Len Brown, linux-pci,
linux-acpi, Jianmin Lv, Xuefeng Li, Huacai Chen, Jiaxun Yang,
Haowei Zheng
On Fri, Jul 26, 2024 at 05:29:11PM +0800, Huacai Chen wrote:
> Begin with Loongson-3C6000, the number of PCI host can be as many as 8
> for multi-chip machines. To support these machines we also increase the
> number of entries in mcfg_quirks up to 8.
>
> Signed-off-by: Haowei Zheng <zhenghaowei@loongson.cn>
> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Applied to pci/controller/loongson for v6.12, thanks!
> ---
> drivers/acpi/pci_mcfg.c | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/drivers/acpi/pci_mcfg.c b/drivers/acpi/pci_mcfg.c
> index 860014b89b8e..58e10a980114 100644
> --- a/drivers/acpi/pci_mcfg.c
> +++ b/drivers/acpi/pci_mcfg.c
> @@ -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 */
> };
>
> --
> 2.43.5
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2024-07-26 9:29 [PATCH] PCI/ACPI: Increase the number of Loongson's PCI host up to 8 Huacai Chen
2024-08-01 23:05 ` Bjorn Helgaas
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