From: Christoph Hellwig <hch@infradead.org>
To: Jean-Michel Hautbois <jeanmichel.hautbois@yoseli.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>,
Greg Ungerer <gerg@linux-m68k.org>,
linux-m68k@lists.linux-m68k.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] arch: m68k: Add DMA mapping operations for Coldfire M5441x
Date: Mon, 27 Jan 2025 22:10:06 -0800 [thread overview]
Message-ID: <Z5h0vvL0B5ktd3sM@infradead.org> (raw)
In-Reply-To: <20250121-coldfire-global-pool-v1-2-382a7235c2aa@yoseli.org>
On Tue, Jan 21, 2025 at 11:54:14AM +0100, Jean-Michel Hautbois wrote:
> Introduce `dma_ops` for the Coldfire M5441x platform, enabling both
> coherent and streaming DMA operations. This addition should fill the gap
> for DMA support integrates with the existing kernel DMA framework.
Arch dma code should not implement DMA OPS, but use the generic
dma-direct code with the right helpes for handling coherency. This
variant looks like it should be using the DMA_COHERENT_POOL allocator
for dma coherent memory.
next prev parent reply other threads:[~2025-01-28 6:10 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-21 10:54 [PATCH 0/2] m68k: Add basic support for DMA global coherent pool Jean-Michel Hautbois
2025-01-21 10:54 ` [PATCH 1/2] m68k: Enable DMA support for Coldfire M5441x Jean-Michel Hautbois
2025-01-21 10:54 ` [PATCH 2/2] arch: m68k: Add DMA mapping operations " Jean-Michel Hautbois
2025-01-28 6:10 ` Christoph Hellwig [this message]
2025-01-28 6:33 ` Jean-Michel Hautbois
2025-01-28 6:40 ` Christoph Hellwig
2025-01-28 6:43 ` Jean-Michel Hautbois
2025-01-28 6:47 ` Christoph Hellwig
2025-01-29 7:32 ` Jean-Michel Hautbois
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