Re: [PATCH V10 18/22] LoongArch: Add PCI controller support

From: WANG Xuerui
Date: Sun May 15 2022 - 09:37:03 EST


Hi,

On 5/14/22 16:03, Huacai Chen wrote:
Loongson64 based systems are PC-like systems which use PCI/PCIe as its
I/O bus, This patch adds the PCI host controller support for LoongArch.

Signed-off-by: Jianmin Lv <lvjianmin@xxxxxxxxxxx>
Signed-off-by: Huacai Chen <chenhuacai@xxxxxxxxxxx>
---
arch/loongarch/include/asm/dma.h | 13 +++
arch/loongarch/include/asm/pci.h | 40 +++++++
arch/loongarch/pci/acpi.c | 172 +++++++++++++++++++++++++++++++
arch/loongarch/pci/pci.c | 98 ++++++++++++++++++
4 files changed, 323 insertions(+)
create mode 100644 arch/loongarch/include/asm/dma.h
create mode 100644 arch/loongarch/include/asm/pci.h
create mode 100644 arch/loongarch/pci/acpi.c
create mode 100644 arch/loongarch/pci/pci.c

Admittedly I'm also not familiar with the PCI code in general, but from what little my knowledge currently is, the changes look okay. (At least the code style and naming of things are reasonable.)

So, albeit a rather weak one:

Reviewed-by: WANG Xuerui <git@xxxxxxxxxx>