Re: [PATCH v4 0/2] add support for GPIO based counter
From: Oleksij Rempel <o.rempel@pengutronix.de>
Date: 2021-01-27 06:49:25
Also in:
linux-iio, lkml
From: Oleksij Rempel <o.rempel@pengutronix.de>
Date: 2021-01-27 06:49:25
Also in:
linux-iio, lkml
On Tue, Jan 26, 2021 at 02:18:34PM +0100, Marc Kleine-Budde wrote:
On 1/26/21 2:12 PM, Oleksij Rempel wrote:quoted
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_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 Regards, Oleksij -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |