linux-kernel - Re: [PATCH] xhci-pci: Set AMD Renoir USB controller to D3 when shutdown

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Message-ID: <cd4595e6-67da-885c-1a67-6dfd71425b8c@canonical.com>
Date:   Fri, 5 Feb 2021 14:45:07 +0800
From:   Aaron Ma <aaron.ma@...onical.com>
To:     Kai-Heng Feng <kai.heng.feng@...onical.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mathias Nyman <mathias.nyman@...ux.intel.com>,
        Alan Stern <stern@...land.harvard.edu>, lee.jones@...aro.org,
        peter.chen@....com, USB list <linux-usb@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] xhci-pci: Set AMD Renoir USB controller to D3 when
 shutdown


On 2/5/21 12:27 PM, Kai-Heng Feng wrote:
> Can you please test the following patch, which should address the root cause:
> https://lore.kernel.org/linux-acpi/20201201213019.1558738-1-furquan@google.com/
> 
> It also helps another AMD laptop on S5:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1912935
> 

No, this patch doesn't help on ThinkPad AMD platform.

Aaron

> We don't need to put bandage on drivers one by one once the patch with
> alternative approach is in upstream.
> 
> Kai-Heng