From: alexandre.belloni@free-electrons.com (Alexandre Belloni)
To: linux-arm-kernel@lists.infradead.org
Subject: [BUG] atmel: spi: scheduling while atomic
Date: Tue, 4 Mar 2014 22:40:39 +0100 [thread overview]
Message-ID: <20140304214039.GA4441@piout.net> (raw)
In-Reply-To: <5315E33C.5000205@aksignal.cz>
Hi Ji??,
Thank you for that report.
On 04/03/2014 at 15:29:16 +0100, Ji?? Prchal wrote :
> Hi,
> I discovered some problem when I access anything on SPI. But it
> seems to work correctly, only log is full of this messages. I've
> tried kernels 3.13.0 and 3.14.0, both are the same.
>
> [ 0.875000] atmel_spi f0000000.spi: version: 0x212
> [ 0.878906] atmel_spi f0000000.spi: Using dma0chan0 (tx) and dma0chan1 (rx) for DMA transfers
> [ 0.882812] atmel_spi f0000000.spi: Atmel SPI Controller at 0xf0000000 (irq 28)
> ...
For now, as a work around, I would suggest disabling dma. I believe it
will solve that particular issue but I didn't try. I would be grateful
if you could post the result.
--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
next prev parent reply other threads:[~2014-03-04 21:40 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-04 14:29 [BUG] atmel: spi: scheduling while atomic Jiří Prchal
2014-03-04 21:40 ` Alexandre Belloni [this message]
2014-03-05 6:56 ` Jiří Prchal
2014-03-07 22:58 ` Alexandre Belloni
2014-03-08 0:41 ` Rabin Vincent
2014-03-10 8:11 ` Jiří Prchal
2014-03-10 9:08 ` Yang, Wenyou
2014-03-11 9:45 ` Jiří Prchal
2014-03-11 9:54 ` Yang, Wenyou
2014-03-11 10:01 ` Jiří Prchal
2014-03-08 0:46 ` Stephen Boyd
-- strict thread matches above, loose matches on Subject: below --
2015-09-08 12:17 Jiří Prchal
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