linux-kernel - Re: [PATCH v2 2/2] PCI/DPC: Disable DPC service when link is in L2/L3 ready, L2 and L3 state

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Date:   Thu, 27 Jan 2022 08:31:20 +0200
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Kai-Heng Feng <kai.heng.feng@...onical.com>
Cc:     bhelgaas@...gle.com, koba.ko@...onical.com,
        Russell Currey <ruscur@...sell.cc>,
        Oliver O'Halloran <oohall@...il.com>,
        linuxppc-dev@...ts.ozlabs.org, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] PCI/DPC: Disable DPC service when link is in
 L2/L3 ready, L2 and L3 state

On Thu, Jan 27, 2022 at 10:54:18AM +0800, Kai-Heng Feng wrote:
> Since TLP and DLLP transmission is disabled for a Link in L2/L3 Ready,
> L2 and L3 (i.e. device in D3hot and D3cold), and DPC depends on AER, so
> also disable DPC here.
> 
> Signed-off-by: Kai-Heng Feng <kai.heng.feng@...onical.com>

Reviewed-by: Mika Westerberg <mika.westerberg@...ux.intel.com>