lkml.org 
[lkml]   [2012]   [Mar]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v3 2/2] DMAEngine: Add DMAEngine driver based on old MSM DMA APIs
On Tue, Mar 13, 2012 at 06:16:39PM +0530, Ravi Kumar V wrote:
> On 3/13/2012 1:44 AM, Daniel Walker wrote:
> >On Mon, Mar 12, 2012 at 04:02:44PM +0530, Ravi Kumar V wrote:
> >>Add DMAEngine based driver using the old MSM DMA APIs internally.
> >
> >What do you mean by this?
> >
> There is a MSM DMA driver in arch/arm/mach-msm/ which is not in
> dmaengine framework standards, but that driver is been used by
> client drivers nand, eMMC and serial drivers. Now if we implement
> the whole dma driver using dmaengine framework then nand, eMMC like
> drivers will be failed as they are using old dma driver API's, so
> instead of implementing new driver from scratch we are keeping the
> old dma API's as it is and using those API's in new dmaengine
> framework.So that we can convert clients drivers to use dma engine
> framework.

Did you investigate converting the drivers (nand, eMMC, serial) ? It
seems like there would be a 1:1 mapping between the API's , so it might
only be a find->replace operation.

Daniel


\
 
 \ /
  Last update: 2012-03-14 16:09    [W:0.524 / U:0.092 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site