From: "Lennart Sorensen" <lsorense@csclub.uwaterloo.ca>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
tony@atomide.com, balbi@ti.com, gregkh@linuxfoundation.org,
devicetree@vger.kernel.org
Subject: Re: [PATCH 11/13] arm: dts: dra7: add DMA properties for UART
Date: Wed, 5 Nov 2014 11:20:24 -0500 [thread overview]
Message-ID: <20141105162024.GH24112@csclub.uwaterloo.ca> (raw)
In-Reply-To: <20141105153307.GN24110@csclub.uwaterloo.ca>
On Wed, Nov 05, 2014 at 10:33:15AM -0500, Lennart Sorensen wrote:
> Two systems ran 16 hours each so far with no issues. Pushed 170MB of
> data through the pair of serial ports on one system at 230400.
The console on uart3 doesn't appear to be using the dma assuming the
values in /sys for the dma controller and bytes transferred mean anything.
It does mention in dmesg that it allocated dma channels for uart3 though.
How do you tell if it is using dma?
--
Len Sorensen
next prev parent reply other threads:[~2014-11-05 16:20 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1412014009-13315-1-git-send-email-bigeasy@linutronix.de>
2014-09-29 18:06 ` [PATCH 10/13] arm: dts: am33xx: add DMA properties for UART Sebastian Andrzej Siewior
2014-09-29 18:06 ` [PATCH 11/13] arm: dts: dra7: " Sebastian Andrzej Siewior
2014-11-04 17:02 ` Lennart Sorensen
2014-11-04 17:06 ` Sebastian Andrzej Siewior
2014-11-04 17:21 ` Lennart Sorensen
2014-11-04 18:32 ` Javier Martinez Canillas
2014-11-04 18:48 ` Nishanth Menon
[not found] ` <CABxcv=kT+M70Xoyf_z4eQQyM0Oo9S5Y0YeX2R6PbAqxK-JTLLg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-11-04 19:00 ` Lennart Sorensen
2014-11-04 18:33 ` Lennart Sorensen
2014-11-04 21:03 ` Lennart Sorensen
[not found] ` <20141104210315.GF24112-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys@public.gmane.org>
2014-11-05 1:15 ` Lennart Sorensen
[not found] ` <20141105011506.GG24112-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys@public.gmane.org>
2014-11-05 8:11 ` Sebastian Andrzej Siewior
2014-11-05 15:33 ` Lennart Sorensen
2014-11-05 16:20 ` Lennart Sorensen [this message]
2014-11-05 16:30 ` Sebastian Andrzej Siewior
2014-11-05 19:43 ` Lennart Sorensen
[not found] ` <20141105194323.GI24112-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys@public.gmane.org>
2014-11-13 18:34 ` Sebastian Andrzej Siewior
2014-11-13 22:08 ` Lennart Sorensen
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