Re: [PATCH v2] usb: pci-quirks: abort xHCI handoff if MMIO is inaccessible

[Greg KH]

On Wed, Oct 28, 2026 at 10:12:26AM +0800, Haowen Bai wrote:
> Hi Greg,
> 
> > Sorry, but I see no context here at all :(
> 
> Sorry for the missing context. The v2 patch is here:
> 
> https://patchew.org/linux/02C44DCEA968C75D%2B20260914022743.30852-1-calvin.bai%40ugreen.com/
> 
> It makes the xHCI early handoff abort when MMIO reads return all ones,
> avoiding prolonged polling and soft lockups during PCI hotplug.
> 
> The v2 incorporates Lukas's suggestion to use PCI_POSSIBLE_ERROR()
> and carries Mathias's Acked-by.
> 
> Could you please take this through your USB tree, or should it go
> through Mathias's xHCI tree? I can resend the full patch if needed.

I'll get to it after -rc1 is out, thanks.

greg k-h