linux-kernel - Re: [PATCH] PCI: Do not enable extended tags on pre-dated (v1.x) systems

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Message-ID: <c5e37c83-a43d-257a-fa2f-50fdab29ce7a@codeaurora.org>
Date:   Fri, 7 Jul 2017 09:31:09 -0400
From:   Sinan Kaya <okaya@...eaurora.org>
To:     Jike Song <albcamus@...il.com>
Cc:     linux-pci@...r.kernel.org, timur@...eaurora.org,
        wim.ten.have@...cle.com, linux-arm-msm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] PCI: Do not enable extended tags on pre-dated (v1.x)
 systems

On 7/7/2017 1:04 AM, Jike Song wrote:
> Maybe checking the version of this endpoint at first? Do you expect a
> v1 endpoint
> to be working under v2+ ports?

I see your point. I guess we need to validate both incoming and outgoing.
I was only checking incoming direction. 

Let me look at this one more time.

-- 
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.