linux-kernel - Re: [PATCH 1/3] crypto: marvell/cesa - replace dma_to_phys with dma_map

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <56EC0A16.9040206@codeaurora.org>
Date:	Fri, 18 Mar 2016 10:00:54 -0400
From:	Sinan Kaya <okaya@...eaurora.org>
To:	Robin Murphy <robin.murphy@....com>,
	Boris Brezillon <boris.brezillon@...e-electrons.com>,
	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	linux-arm-kernel@...ts.infradead.org,
	Herbert Xu <herbert@...dor.apana.org.au>, timur@...eaurora.org,
	Arnaud Ebalard <arno@...isbad.org>,
	linux-kernel@...r.kernel.org, cov@...eaurora.org,
	"David S. Miller" <davem@...emloft.net>, nwatters@...eaurora.org,
	linux-crypto@...r.kernel.org
Subject: Re: [PATCH 1/3] crypto: marvell/cesa - replace dma_to_phys with
 dma_map_single

On 3/18/2016 9:51 AM, Sinan Kaya wrote:
> Another option is I can write
> 
>      engine->sram_dma = swiotlb_dma_to_phys(res->start)

I realized that I made a mistake in the commit message and the code above.

The code is trying to find DMA address from physical address. Not the other
way around. I'll fix it on the next version. 

The correct suggestion above would be 

      engine->sram_dma = swiotlb_phys_to_dmares->start)

-- 
Sinan Kaya
Qualcomm Technologies, Inc. on behalf of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project