lkml.org 
[lkml]   [2012]   [Oct]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: dmatest to use synopsys dma driver (dw_dmac.c)
From
Date
On Thu, 2012-06-07 at 10:03 +0000, Satendra Pratap wrote: 
> We have Synopsys DMAC controller on our SoC and are trying to use open source
> dw_dmac.c driver. We are using linux-3.2.2 kernel but it seems dw_dmac.c does
> not have any support for it. Later I checked out that its been added in later
> versions of dw_dmac.c so I backported dw_dmac from linux-3.4 to linux-3.2.2.
> I have tried using dmatest to validate dw_dmac.c driver. I just compile kernel
> with dw_dmac.c and with dmatest support then I test it. (I think I need not to
> modify dmatest in order wo work with dw_dmac).
> While testing I get crashes with the ported driver (from linux-3.4 to linux-
> 3.2.2) but with the original driver in linux-3.2.2 I get no crashes but "test
> timed out"


> Any help is greatly appreciated. It would be of very much help is some one could
> (who has used dw_dmac.c) could share their code to use dw_dmac.c.

I published all my patches already here in the mailing list. Part of
them is under review, but another part has been pushed to the
linux-next.

I highly encourage you to try most recent version from the linux-next.


--
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy


\
 
 \ /
  Last update: 2012-10-02 13:01    [W:0.035 / U:1.632 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site