lkml.org 
[lkml]   [2011]   [Jul]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 00/18] dmaengine/amba-pl08x updates
On 07/29/2011 04:49 PM, Russell King - ARM Linux wrote:
> Ok, so lets have the driver explicitly enforce one SG entry if peripheral
> flow is set. It would also be a good idea to pass not zero length, but
> the real transfer size in the SG entry for the sake of having the API
> know the full information about the transfer.

In my case, JPEG driver doesn't know how much data to transfer. So i have to
send zero from there. Also, i am not sure why would peripheral needs to be
flow controller if the peripherals driver already know how much to transfer?

>
> (Ok, it already only supports one SG entry, but that's something else
> which needs fixing - which may be possible now that you've cleaned up
> the LLI creation code.)
> .

Yes. I cleaned it up.

--
viresh


\
 
 \ /
  Last update: 2011-07-29 13:27    [W:1.997 / U:0.032 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site