Messages in this thread | | | Date | Wed, 27 Jan 2021 07:44:57 +0100 | From | Oleksij Rempel <> | Subject | Re: [PATCH v4 0/2] add support for GPIO based counter |
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On Tue, Jan 26, 2021 at 02:18:34PM +0100, Marc Kleine-Budde wrote: > 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....
32 bits. The counter is wrapped after 4294967295
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