linux-kernel - Re: [PATCH V4 3/5] dmaengine/dw_dmac: Divide one sg to many desc, if sg len is greater than DWC_MAX

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 for Android: free password hash cracker in your pocket

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

Message-ID: <4DC78ABB.2030800@st.com>
Date:	Mon, 9 May 2011 12:03:31 +0530
From:	viresh kumar <viresh.kumar@...com>
To:	"Koul, Vinod" <vinod.koul@...el.com>
Cc:	"dan.j.williams@...el.com" <dan.j.williams@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Armando VISCONTI <armando.visconti@...com>,
	Shiraz HASHIM <shiraz.hashim@...com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"viresh.linux@...il.com" <viresh.linux@...il.com>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>
Subject: Re: [PATCH V4 3/5] dmaengine/dw_dmac: Divide one sg to many desc,
 if sg len is greater than DWC_MAX_COUNT

On 05/09/2011 11:17 AM, Koul, Vinod wrote:
> Ah, then there is another todo for this driver. Move from chan->private
> to DMA_SLAVE_CONFIG.
> 
> struct dma_slave_config has dedicated fields for both source and
> destination widths, src_addr_width & dst_addr_width please use them...
> You should pass this structure to device control API as:
> dmaengine_device_control(
> 	chan, DMA_SLAVE_CONFIG, (unsigned long)&slave_config);

As soon as i get some time, will study & implement this.
For now, please push this patchset (if it looks fine).

--
viresh
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/