linux-kernel - Re: [PATCH] [v2,1/1] This aims to support Foxconn SDX55

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Message-ID: <1a4fb2d3-23f3-0b50-bce2-3ad45495027d@gmail.com>
Date:   Thu, 12 Aug 2021 13:00:13 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...il.com>
To:     Slark Xiao <slark_xiao@....com>
Cc:     johan@...nel.org, gregkh@...uxfoundation.org,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [v2,1/1] This aims to support Foxconn SDX55

Hello!

On 12.08.2021 4:08, Slark Xiao wrote:

> HI Sergei,
>    Yes. Our produt has 3 mode: PCIe mode only, USB mode only, and PCIE+USB.
>    When we need to reproduce some crash issue, we will let it enter into 
> PCIE+USB mode.
>    In this scenario, USB would have a diag port to capture memory dump.

    That's all fine, I was just pointing out the typo. :-)
    Couldn't open your another reply...

> At 2021-08-11 18:58:09, "Sergei Shtylyov" <sergei.shtylyov@...il.com> wrote:
>>Hello!
>>
>>On 11.08.2021 11:56, Slark Xiao wrote:
>>
>>> Foxconn SDX55 T77W175 device is working in PCIe mode normally.
>>> You can find it in drivers/bus/mhi/pci_geneirc.c file.
>>
>>    pci_generic? :-)
>>
>>> But in some scenario, we need to capture the memory dump once it crashed.
>>> So a diag port driver is needed.
>>> 
>>> Signed-off-by: Slark Xiao <slark_xiao@....com>

[...]

MBR, Sergei