From: Peter Meerwald <pmeerw@pmeerw.net>
To: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>,
Vinod Koul <vinod.koul@intel.com>, Dan Williams <djbw@fb.com>,
Tony Lindgren <tony@atomide.com>,
Jarkko Nikula <jarkko.nikula@bitmer.com>,
Santosh Shilimkar <santosh.shilimkar@ti.com>,
Felipe Balbi <balbi@ti.com>,
linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [RFC] dmaengine: omap-dma: Start DMA without delay
Date: Fri, 29 Mar 2013 15:36:07 +0100 (CET) [thread overview]
Message-ID: <alpine.DEB.2.01.1303291533540.26456@pmeerw.net> (raw)
In-Reply-To: <1364566323-24144-1-git-send-email-peter.ujfalusi@ti.com>
> Remove the use of a tasklet to start the DMA channel when issue_pending is
> called.
> The use of tasklet delays the DMA start which can cause issues at drivers,
> for example the audio drivers expect that the DMA is started right away.
>
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
I've reported the problem and now tested the patch applied on top of
3.8.5, running on beagle-xm; sounds good, so
Tested-by: Peter Meerwald <p.meerwald@bct-electronic.com>
--
Peter Meerwald
+43-664-2444418 (mobile)
next prev parent reply other threads:[~2013-03-29 14:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-29 14:12 Peter Ujfalusi
2013-03-29 14:36 ` Peter Meerwald [this message]
2013-03-29 17:31 ` Russell King - ARM Linux
2013-04-02 8:14 ` Peter Ujfalusi
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