linux-kernel - Re: [PATCH] crypto:caam - Correct the dma mapping for sg table

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Message-ID: <20140625134957.GD10379@gondor.apana.org.au>
Date:	Wed, 25 Jun 2014 21:49:57 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Ruchika Gupta <ruchika.gupta@...escale.com>
Cc:	linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
	davem@...emloft.net, alexandru.porosanu@...escale.com,
	kim.phillips@...escale.com, dan.carpenter@...cle.com,
	horia.geanta@...escale.com, marex@...x.de
Subject: Re: [PATCH] crypto:caam - Correct the dma mapping for sg table

On Mon, Jun 23, 2014 at 07:50:26PM +0530, Ruchika Gupta wrote:
> At few places in caamhash and caamalg, after allocating a dmable
> buffer for sg table , the buffer was being modified.  As per
> definition of DMA_FROM_DEVICE ,afer allocation the memory should
> be treated as read-only by the driver. This patch shifts the
> allocation of dmable buffer for sg table after it is populated
> by the  driver, making it read-only as per the DMA API's requirement.
> 
> Signed-off-by: Ruchika Gupta <ruchika.gupta@...escale.com>

Patch applied.
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Email: Herbert Xu <herbert@...dor.apana.org.au>
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