lkml.org 
[lkml]   [2011]   [Apr]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH 2/6] dmaengine/dw_dmac: Enable resubmission from callback routine.
    On 04/19/2011 12:03 PM, Koul, Vinod wrote:
    > On 04/19/2011 11:53 AM, viresh kumar wrote:
    >> On 04/19/2011 11:42 AM, Koul, Vinod wrote:
    >>> On 04/18/2011 04:20 PM, viresh kumar wrote:
    >> Vinod,
    >>
    >> I initiated this discussion few days back on a separate thread:
    >>
    >> http://www.spinics.net/lists/arm-kernel/msg121139.html
    >>
    >> And so implemented this.
    > Ahhh, on the road, catching up on email...
    >
    > This was a dma engine requirement, not absolute for slave-dma.
    > But would be good idea to resist this. What is your reason for this?

    Mainline drivers using dmaengine are already submitting new transfers from
    callback routines. For example: amba-pl011.
    And i have to use pl011 with DMA, so faced this issue in dw_dmac.

    --
    viresh


    \
     
     \ /
      Last update: 2011-04-19 08:49    [W:0.020 / U:63.016 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site