Re: [PATCH] xhci: Reset controller on xhci shutdown

From: Michal Pecio

Date: Fri Oct 02 2026 - 04:33:25 EST


On Thu, 1 Oct 2026 18:25:27 -0400, wenxiong@xxxxxxxxxxxxx wrote:
> From: Wen Xiong <wenxiong@xxxxxxxxxxxxx>
>
> Fixes kexec boot. Without a hard reset, some USB chips will fail to
> initialize in a kexec booted kernel.

What exactly happens after kexec?
Why a PCI reset in particular?
Are we sure it's not a bug elsewhere?

Regards,
Michal