Re: [PATCH v4 0/2] add support for GPIO based counter
From: Marc Kleine-Budde <mkl@pengutronix.de>
Date: 2021-01-27 07:16:57
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On 1/27/21 7:44 AM, Oleksij Rempel wrote:
quoted
quoted
changes v3: - convert counter to atomic_tWhat'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
Note: This is only true for >= v2.6.3 :D https://lwn.net/Articles/71732/ Feeling old, Marc -- Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
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