linux-kernel - Re: [PATCH v2] net: usb: ax88179_178a: avoid writing the mac address before first reading

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Message-ID: <CAMSo37XWZ118=R9tFHZqw+wc7Sy_QNHHLdkQhaxjhCeuQQhDJw@mail.gmail.com>
Date: Tue, 14 May 2024 08:29:56 +0200
From: Yongqin Liu <yongqin.liu@...aro.org>
To: Jose Ignacio Tornos Martinez <jtornosm@...hat.com>
Cc: amit.pundir@...aro.org, davem@...emloft.net, edumazet@...gle.com, 
	inventor500@...aldi.net, jarkko.palviainen@...il.com, jstultz@...gle.com, 
	kuba@...nel.org, linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org, 
	netdev@...r.kernel.org, pabeni@...hat.com, stable@...r.kernel.org, 
	sumit.semwal@...aro.org, vadim.fedorenko@...ux.dev, vmartensson@...gle.com
Subject: Re: [PATCH v2] net: usb: ax88179_178a: avoid writing the mac address
 before first reading

Hi, Jose

On Wed, 8 May 2024 at 12:41, Yongqin Liu <yongqin.liu@...aro.org> wrote:
>
> Hi, Jose
>
> On Wed, 8 May 2024 at 15:57, Jose Ignacio Tornos Martinez
> <jtornosm@...hat.com> wrote:
> >
> > Hello Yongqin,
> >
> > Sorry for the inconveniences.
> >
> > I don't have the db845c, could you provide information about the type of
> > device and protocol used?
>
> The db845c uses an RJ45 as the physical interface.
> It has the translation from PCIe0 to USB and USB to Gigabit Ethernet controller.
>
> For details, maybe you could check the hardware details from the documents here:
>     https://www.96boards.org/documentation/consumer/dragonboard/dragonboard845c/hardware-docs/
>
> > Related driver logs would be very helpful for this.
>
> Here is the log from the serial console side:
>     https://gist.github.com/liuyq/809247d8a12aa1d9e03058e8371a4d44
>
> Please let me know if I could try and provide more information for the
> investigation.

Just want to check, not sure if you have checked the serial log file,
or do you have other suggestions about what we should try next,

-- 
Best Regards,
Yongqin Liu
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