From: Christoph Hellwig <hch@lst.de>
To: Greg Ungerer <gerg@linux-m68k.org>
Cc: Michael Schmitz <schmitzmic@gmail.com>,
Christoph Hellwig <hch@lst.de>,
Robin Murphy <robin.murphy@arm.com>,
iommu@lists.linux.dev,
Marek Szyprowski <m.szyprowski@samsung.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Wei Fang <wei.fang@nxp.com>, Shenwei Wang <shenwei.wang@nxp.com>,
Clark Wang <xiaoning.wang@nxp.com>,
NXP Linux Team <linux-imx@nxp.com>,
linux-m68k@lists.linux-m68k.org, netdev@vger.kernel.org,
Jim Quinlan <james.quinlan@broadcom.com>
Subject: Re: [PATCH 5/6] net: fec: use dma_alloc_noncoherent for m532x
Date: Thu, 12 Oct 2023 16:00:38 +0200 [thread overview]
Message-ID: <20231012140038.GA8513@lst.de> (raw)
In-Reply-To: <e16ac0a4-3e4a-4e8c-98ba-7b600a8c6768@linux-m68k.org>
On Thu, Oct 12, 2023 at 11:25:00PM +1000, Greg Ungerer wrote:
> Not sure I follow. This is the opposite of the case above. The noncoherent alloc
> and cache flush should be performed if ColdFire and any of CONFIG_HAVE_CACHE_CB,
> CONFIG_CACHE_D or CONFIG_CACHE_BOTH are set - since that means there is data
> caching involved.
FYI, this is what I ended up with this morning:
http://git.infradead.org/users/hch/misc.git/commitdiff/ea7c8c5ca3f158f88594f4f1c9a52735115f9aca
Whole branch:
http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/dma-coherent-deps
next prev parent reply other threads:[~2023-10-12 14:00 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-09 7:41 fix the non-coherent coldfire dma_alloc_coherent Christoph Hellwig
2023-10-09 7:41 ` [PATCH 1/6] dma-direct: add depdenencies to CONFIG_DMA_GLOBAL_POOL Christoph Hellwig
2023-10-09 8:43 ` Geert Uytterhoeven
2023-10-09 8:43 ` Geert Uytterhoeven
2023-10-09 9:16 ` Christoph Hellwig
2023-10-09 9:16 ` Christoph Hellwig
2023-10-09 9:34 ` Geert Uytterhoeven
2023-10-09 9:34 ` Geert Uytterhoeven
2023-10-09 9:43 ` Christoph Hellwig
2023-10-09 9:43 ` Christoph Hellwig
2023-10-09 9:51 ` Geert Uytterhoeven
2023-10-09 9:51 ` Geert Uytterhoeven
2023-10-09 10:04 ` Robin Murphy
2023-10-09 10:04 ` Robin Murphy
2023-10-09 11:10 ` Geert Uytterhoeven
2023-10-09 11:10 ` Geert Uytterhoeven
2023-10-09 12:48 ` Christoph Hellwig
2023-10-09 12:48 ` Christoph Hellwig
2023-10-09 16:45 ` Robin Murphy
2023-10-09 16:45 ` Robin Murphy
2023-10-09 7:41 ` [PATCH 2/6] dma-direct: add a CONFIG_ARCH_DMA_ALLOC symbol Christoph Hellwig
2023-10-09 7:41 ` [PATCH 3/6] dma-direct: simplify the use atomic pool logic in dma_direct_alloc Christoph Hellwig
2023-10-09 7:41 ` [PATCH 4/6] dma-direct: warn when coherent allocations aren't supported Christoph Hellwig
2023-10-09 7:41 ` [PATCH 5/6] net: fec: use dma_alloc_noncoherent for m532x Christoph Hellwig
2023-10-09 10:29 ` Robin Murphy
2023-10-09 12:58 ` Christoph Hellwig
2023-10-10 14:44 ` Greg Ungerer
2023-10-16 9:12 ` Geert Uytterhoeven
2023-10-17 8:31 ` Geert Uytterhoeven
2023-10-10 14:20 ` Greg Ungerer
2023-10-11 5:52 ` Christoph Hellwig
2023-10-11 13:09 ` Greg Ungerer
2023-10-11 18:21 ` Michael Schmitz
2023-10-12 13:25 ` Greg Ungerer
2023-10-12 14:00 ` Christoph Hellwig [this message]
2023-10-13 1:48 ` Greg Ungerer
2023-10-12 19:18 ` Michael Schmitz
2023-10-09 7:41 ` [PATCH 6/6] m68k: don't provide arch_dma_alloc for nommu/coldfire Christoph Hellwig
2023-10-09 8:39 ` fix the non-coherent coldfire dma_alloc_coherent Geert Uytterhoeven
2023-10-09 9:15 ` Christoph Hellwig
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