netdev - Re: fix the non-coherent coldfire dma_alloc

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Date: Mon, 9 Oct 2023 10:39:18 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Christoph Hellwig <hch@....de>
Cc: iommu@...ts.linux.dev, Robin Murphy <robin.murphy@....com>, 
	Marek Szyprowski <m.szyprowski@...sung.com>, Wei Fang <wei.fang@....com>, 
	Shenwei Wang <shenwei.wang@....com>, Clark Wang <xiaoning.wang@....com>, 
	NXP Linux Team <linux-imx@....com>, linux-m68k@...ts.linux-m68k.org, netdev@...r.kernel.org, 
	Jim Quinlan <james.quinlan@...adcom.com>, Greg Ungerer <gerg@...ux-m68k.org>
Subject: Re: fix the non-coherent coldfire dma_alloc_coherent

CC Greg

On Mon, Oct 9, 2023 at 9:41 AM Christoph Hellwig <hch@....de> wrote:
> this is the next attempt to not return memory that is not DMA coherent
> on coldfire/m68knommu.  The last one needed more fixups in the fec
> driver, which this versions includes.  On top of that I've also added
> a few more cleanups to the core dma allocation code.
>
> Jim: any work to support the set_uncached and remap method for arm32
> should probably be based on this, and patch 3 should make that
> selection a little easier.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds