From mboxrd@z Thu Jan  1 00:00:00 1970
From: "G, Manjunath Kondaiah" <manjugk@ti.com>
Subject: Re: [PATCH v2 0/4] OMAP: DMA: mstandby mode and runtime pm support
Date: Fri, 18 Mar 2011 15:30:12 +0530
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To: Kevin Hilman <khilman@ti.com>
Cc: "G, Manjunath Kondaiah" <manjugk@ti.com>, linux-omap@vger.kernel.org, linux-arm-kernel@lists.arm.linux.org.uk, paul@pwsan.com, tony@atomide.com

On Thu, Mar 17, 2011 at 02:29:18PM -0700, Kevin Hilman wrote:
> "G, Manjunath Kondaiah" <manjugk@ti.com> writes:
> 
> > Patch series to support mstandby mode handling and enabling runtime PM
> > support for DMA driver.
> 
> I still have the same problems as with the previous revision: 
> 
> 
> This is still not runtime-suspending when I use my DMA test in linking
> mode.
> 
> If I put a large enough period between transfers, it should autosuspend
> during transfers.  It seems to do auto-suspend and resume once, but then
> it never suspends again.
> 
> I tested with my dmatest module[1], and loaded with:
> 
>   # insmod ./dmatest.ko linking=1 forever=1 forever_period=1024
> 
> Not only does it not auto-suspend between transfers (which I expected),
> it also doesn't suspend after removing the module which stops all active
> channels.

Tested again on 2.6.38 with patches pulled from patchworks and for me,
the same test case seems to be passing. Here is the log:
http://pastebin.com/ccEmTZS5

The above test case is executed on blaze and same result is observed
with other OMAP2+ boards also.

Can you please let me know which board and code base you are using for
testing so that I can try to replicate the same.

-Manjunath
>