linux-kernel - Re: [PATCH v3] dmaengine: hdmac: Add memset capabilities

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Message-ID: <20150824142425.GL13546@localhost>
Date:	Mon, 24 Aug 2015 19:54:25 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:	Nicolas Ferre <nicolas.ferre@...el.com>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Ludovic Desroches <ludovic.desroches@...el.com>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Boris Brezillon <boris.brezillon@...e-electrons.com>,
	dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3] dmaengine: hdmac: Add memset capabilities

On Mon, Aug 24, 2015 at 11:21:15AM +0200, Maxime Ripard wrote:
> Just like for the XDMAC, the SoCs that embed the HDMAC don't have any kind
> of GPU, and need to accelerate a few framebuffer-related operations through
> their DMA controller.
> 
> However, unlike the XDMAC, the HDMAC doesn't have the memset capability
> built-in. That can be easily emulated though, by doing a transfer with a
> fixed address on the variable that holds the value we want to set.

Applied, thanks

-- 
~Vinod

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