[PATCH v2 00/11] ARM64: layerscape: make LS1046 DMA coherent

Sascha Hauer s.hauer at pengutronix.de
Thu Jan 11 06:44:51 PST 2024


On Thu, Jan 11, 2024 at 03:15:35PM +0100, Ahmad Fatoum wrote:
> Hello Sascha,
> 
> On 11.01.24 15:11, Sascha Hauer wrote:
> > 
> > On Wed, 10 Jan 2024 17:01:02 +0100, Ahmad Fatoum wrote:
> >> Upstream DT changed /soc of NXP Layerscape LS1046A to be dma-coherent.
> >> This means that:
> >>
> >>  1) Linux v6.1 expects bootloader to configure DMA masters to snoop
> >>     caches
> >>  2) bootloader needs to skip cache maintenance when talking to DMA
> >>     master when it has set snoop bits
> >>
> >> [...]
> > 
> > Applied, thanks!
> > 
> > [01/11] dma: rename OF_DMA_DEFAULT_COHERENT to ARCH_DMA_DEFAULT_COHERENT
> >         commit: 6012c3867777e9e6d6b14d0117f8b37e2b860642
> 
> Does the commit hash mean it was applied to master? If it's also for next,
> it may be confusing, because these commit hashes aren't stable.

No, it doesn't mean it is applied to master. I just means I am
experimenting with "b4 ty" and that b4 generates this information
automatically.

I could replace the commitish with something like:

https://git.pengutronix.de/cgit/barebox/commit/?id=6012c3867777 (commitish may not be stable)

or just a:

(no commit info)

Sascha

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