Re: [PATCH for 6.6] LoongArch: Add PIO for early access before ACPI PCI root register

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In reply to: Huacai Chen: "[PATCH for 6.6] LoongArch: Add PIO for early access before ACPI PCI root register"
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From: Sasha Levin

Date: Fri Jul 10 2026 - 17:05:02 EST

On Thu, Jul 10, 2026 at 08:26:13PM +0800, Huacai Chen wrote:
> commit 6061e65f95713b01f4313cda6637dfe3aa5412b4 upstream.
>
> For ACPI system we suppose the ISA/LPC PIO range is registered together
> with PCI root bridge. But the fact is there may be some early access to
> the ISA/LPC PIO range before ACPI PCI root register (most of them are
> due to abnormal BIOS).

Queued for 6.6, thanks. I fixed up one context line in
arch/loongarch/kernel/acpi.c that didn't match the 6.6.y tree.

--
Thanks,
Sasha