linux-kernel - Re: [PATCH v3 2/2] iio: afe: unit-converter: new driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 16 Apr 2018 09:12:45 +0200
From:   Peter Rosin <peda@...ntia.se>
To:     Jonathan Cameron <jic23@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "David S. Miller" <davem@...emloft.net>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        "Andrew F . Davis" <afd@...com>,
        Fabio Estevam <festevam@...il.com>, linux-iio@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v3 2/2] iio: afe: unit-converter: new driver

On 2018-04-15 19:31, Jonathan Cameron wrote:
> On Tue, 10 Apr 2018 17:28:02 +0200
> Peter Rosin <peda@...ntia.se> wrote:
> 
>> If an ADC channel measures the midpoint of a voltage divider, the
>> interesting voltage is often the voltage over the full resistance.
>> E.g. if the full voltage is too big for the ADC to handle.
>> Likewise, if an ADC channel measures the voltage across a shunt
>> resistor, the interesting value is often the current through the
>> resistor.
>>
>> This driver solves both problems by allowing to linearly scale a channel
>> and by allowing changes to the type of the channel. Or both.
>>
>> Signed-off-by: Peter Rosin <peda@...ntia.se>
> So I 'think' the only outstanding question is Andrew's one about the driver
> name.  We aren't in a hurry at this point in the kernel cycle, so lets
> wait until that discussion has ended.  Assuming that we do possibly end
> up with a change, then please roll all the patches up into a single series
> to avoid me getting confusion.

Yeah, sure, sorry for the split series, but the lt6106 that's present in
one of our newer designs didn't occur to me until just seconds after
firing the first half of the series. Which is kind of typical...

Anyway, about the driver naming. The suggestion I like best so far is
linear-scaler from Linus W, but thinking about it some more I think I
like iio-rescale even better.

Any objections to iio-rescale?

Cheers,
Peter