Re: [PATCH v2 3/4] i2c: imx: use readb_relaxed and writeb_relaxed

From: Oleksij Rempel
Date: Fri Aug 30 2024 - 03:37:35 EST


On Mon, Aug 19, 2024 at 09:19:09AM +0200, Stefan Eichenberger wrote:
> From: Stefan Eichenberger <stefan.eichenberger@xxxxxxxxxxx>
>
> Use the relaxed version of readb and writeb to reduce overhead. It is
> safe to use the relaxed version because we either do not rely on dma
> completion, or we use a dma callback to ensure that the dma transfer is
> complete before we continue.
>
> Signed-off-by: Stefan Eichenberger <stefan.eichenberger@xxxxxxxxxxx>

Acked-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>

--
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 |