linux-kernel - Re: [PATCH v4 8/8] iio: envelope-detector: ADC driver based on a DAC and a comparator

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Message-ID: <b3b5a1ff-aefd-2268-e5a7-acb515034d4a@kernel.org>
Date:   Sat, 12 Nov 2016 17:29:04 +0000
From:   Jonathan Cameron <jic23@...nel.org>
To:     Peter Rosin <peda@...ntia.se>, Thomas Gleixner <tglx@...utronix.de>
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>,
        Daniel Baluta <daniel.baluta@...el.com>,
        Slawomir Stepien <sst@...zta.fm>, linux-iio@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v4 8/8] iio: envelope-detector: ADC driver based on a DAC
 and a comparator

On 11/11/16 11:37, Peter Rosin wrote:
> On 2016-11-09 16:06, Thomas Gleixner wrote:
>> On Wed, 9 Nov 2016, Peter Rosin wrote:
>>> On 2016-11-08 22:47, Thomas Gleixner wrote:
>>>> I don't think you need extra race handling with that, but I might be wrong
>>>> as usual.
>>>
>>> There's obviously no way to determine which of the timeout or the
>>> interrupt that happens first without some race handling, so I don't
>>> know what you mean? If the timeout happens first, there is also a
>>> need to handle late hits from the irq that might come in during the
>>> preparation for the next step in the binary search. It gets messy
>>> quickly compared to the simplicity of the current implementation.
>>
>> Gah, forgot about that timeout thingy. Fair enough.
>>
>> Feel free to add an 
>>
>> Acked-by: Thomas Gleixner <tglx@...utronix.de>
> 
> Thanks for looking!
Applied to the togreg branch of iio.git and pushed out
as testing for the autobuilders to play with.

Excellent patch set.

Thanks,

Jonathan
> 
> Cheers,
> Peter
>