linux-kernel - Re: [PATCH] staging: r8188eu: remove unused struct declarations

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Date:   Fri, 4 Nov 2022 22:25:06 +0530
From:   Deepak R Varma <drv@...lo.com>
To:     Philipp Hortmann <philipp.g.hortmann@...il.com>
Cc:     outreachy@...ts.linux.dev,
        Larry Finger <Larry.Finger@...inger.net>,
        Phillip Potter <phil@...lpotter.co.uk>,
        Pavel Skripkin <paskripkin@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: r8188eu: remove unused struct declarations

On Thu, Nov 03, 2022 at 10:19:05PM +0100, Philipp Hortmann wrote:
> On 11/3/22 10:47, Deepak R Varma wrote:
> > Hello Philipp,
> > Thank you for testing the changes.
> >
> > Request (not urgent):
> > Can you please help me understand how do you
> > test such changes? Do we need specific hardware for functional tests? Is there a
> > documentation available to know more about the testing? I am interested in
> > attaching a physical device to my machine and be able to debug and test the
> > changes. Can you please provide details when you have time?
> >
> > Thank you in advance!
> > ./drv
>
> Hi Deepak,
>
> I do have one device for the following drivers:
>
> vt6656
> vt6655
> r8188eu
> r8192e_pci
> r8712u

Wow... that sounds like a very useful set (and a lot of testing time :) )

>
> Minimum test is to measure the transfer speed and see if that is as
> expected.
>
> When I doubt that the changed code is used I use ftrace to see if the code
> is used. But of course I do not test every possibility.

Okay. May be as I gain more knowledge, I will be able to apply it as well. I
hope it will be okay to connect with you in future if an opportunity arises.

>
> I hope you have the money to be able to buy hardware. Without it is not fun.
>
> I would choose r8188eu (USB) or r8192e_pci.

Thank you so much for the recommendation. I will find out the cost and see if I
can buy one of those.

Have a great weekend!
./drv

>
> Bye Philipp
>