linux-kernel - Re: [PATCH v4 0/2] add support for GPIO based counter

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Message-ID: <84d94006-44d3-70ac-2054-2419b0555a87@pengutronix.de>
Date:   Tue, 26 Jan 2021 14:18:34 +0100
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Oleksij Rempel <o.rempel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        William Breathitt Gray <vilhelm.gray@...il.com>
Cc:     devicetree@...r.kernel.org, linux-iio@...r.kernel.org,
        Robin van der Gracht <robin@...tonic.nl>,
        linux-kernel@...r.kernel.org,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        David Jander <david@...tonic.nl>
Subject: Re: [PATCH v4 0/2] add support for GPIO based counter

On 1/26/21 2:12 PM, Oleksij Rempel wrote:
> changes v4:
> - use IRQ_NOAUTOEN to not enable IRQ by default
> - rename gpio_ from name pattern and make this driver work any IRQ
>   source.
> 
> changes v3:
> - convert counter to atomic_t

What's the guaranteed width of atomic_t? IIRC a long time ago it was 24 bit only....

Marc

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