linux-kernel - Re: Help on testing ad5933 driver

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Date:   Fri, 22 Mar 2019 13:05:02 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Marcelo Schmitt <marcelo.schmitt1@...il.com>
Cc:     michael.hennerich@...log.com, stefan.popa@...log.com,
        alexandru.Ardelean@...log.com, dragos.bogdan@...log.com,
        jic23@...nel.org, linux-iio@...r.kernel.org,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        kernel-usp@...glegroups.com
Subject: Re: Help on testing ad5933 driver

On Thu, Mar 21, 2019 at 04:39:13PM -0300, Marcelo Schmitt wrote:
> Hello, would anyone mind helping me test ad5933 driver on actual
> hardware?  I went through this
> (https://oslongjourney.github.io/linux-kernel/experiment-one-iio-dummy/)
> tutorial so I was able to load iio_simple_dummy driver, create and
> inspect some dummy devices.  Now, as Jonathan has asked me, I would like
> to test ad5933 driver on an EVAL-AD5933 board which was donated to FLUSP
> (https://flusp.ime.usp.br/).
> 
> So far I've been hesitating to plug this device on my Debian distro
> since this
> (https://www.analog.com/media/en/technical-documentation/user-guides/UG-364.pdf)
> user guide for Windows says not to connect it before driver
> installation. Is there something that could harm the board if plugged
> on a computer without a proper driver?

The kernel shouldn't be bricking hardware...  Hardware used to be easier
to brick in olden times...

regards,
dan carpenter