From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org, Ahmad Fatoum <a.fatoum@pengutronix.de>
Subject: Re: [PATCH master] dma: correctly honour dma-noncoherent device tree property
Date: Mon, 25 Mar 2024 10:59:15 +0100 [thread overview]
Message-ID: <171136075592.2945932.16454702745552684976.b4-ty@pengutronix.de> (raw)
In-Reply-To: <20240322142424.981863-1-a.fatoum@pengutronix.de>
On Fri, 22 Mar 2024 15:24:24 +0100, Ahmad Fatoum wrote:
> Most barebox platforms are either completely cache-coherent with respect to
> DMA or completely non-coherent. To avoid having to walk the device tree for
> non-existent dma-coherent and dma-noncohrent properties, barebox thus
> only does this when CONFIG_OF_DMA_COHERENCY is selected.
>
> CONFIG_OF_DMA_COHERENCY is to be selected by platforms that have mixed
> coherency for DMA masters. Forgetting to select this option can be
> annoying to debug, which is why devinfo will inform the user of default
> DMA coherency assignments:
>
> [...]
Applied, thanks!
[1/1] dma: correctly honour dma-noncoherent device tree property
https://git.pengutronix.de/cgit/barebox/commit/?id=9caee28f7130 (link may not be stable)
Best regards,
--
Sascha Hauer <s.hauer@pengutronix.de>
next prev parent reply other threads:[~2024-03-25 9:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-22 14:24 Ahmad Fatoum
2024-03-25 9:59 ` Sascha Hauer [this message]
2024-03-26 10:33 ` Sascha Hauer
2024-03-26 17:32 ` Ahmad Fatoum
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