linux-kernel - Re: [PATCH 07/10] ASoC: ux500: Store DMA data in the DAI differently in the pdata and DT case

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Date:	Wed, 4 Dec 2013 18:03:21 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	Kevin Hilman <khilman@...aro.org>
Cc:	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	alsa-devel@...a-project.org, Mark Brown <broonie@...nel.org>,
	Olof Johansson <olof@...om.net>
Subject: Re: [PATCH 07/10] ASoC: ux500: Store DMA data in the DAI differently
 in the pdata and DT case

> Today's next (next-20131204) has a new boot failure[1] on
> ux500/snowball which bisected down to this commit.  Full boot log
> attached.

Right.

Anyone not on CC (which I think you are Kevin) can follow the fun here:
  http://www.spinics.net/lists/arm-kernel/msg291374.html

> It doesn't find the alsa device which in turn seems to prevent the
> emmc rootfs from being mounted.  It boots fine to an initramfs.

<snip>

> of_dma_request_slave_channel: dma-names property of node '/soc/msp@...24000' missing or empty
> of_dma_request_slave_channel: dma-names property of node '/soc/msp@...24000' missing or empty
> of_dma_request_slave_channel: dma-names property of node '/soc/msp@...25000' missing or empty
> mmc1: new high speed MMC card at address 0001
> of_dma_request_slave_channel: dma-names property of node '/soc/msp@...25000' missing or empty
> mmcblk0: mmc1:0001  7.28 GiB 
> mmcblk0boot0: mmc1:0001  partition 1 2.00 MiB
> mmcblk0boot1: mmc1:0001  partition 2 2.00 MiB
> mmcblk0rpmb: mmc1:0001  partition 3 128 KiB
> dma dma0chan22: [d40_config_memcpy] No memcpy
> dma dma0chan22: [d40_alloc_chan_resources] Failed to configure memcpy channel
> ux500-msp-i2s ux500-msp-i2s.1: Missing dma channel for stream: 0
> ux500-msp-i2s ux500-msp-i2s.1: ASoC: pcm constructor failed: -22
> snd-soc-mop500 snd-soc-mop500.0: ASoC: can't create pcm ab8500_0 :-22
> snd-soc-mop500 snd-soc-mop500.0: ASoC: failed to instantiate card -22
> snd-soc-mop500 snd-soc-mop500.0: Error: snd_soc_register_card failed (-22)!
> snd-soc-mop500: probe of snd-soc-mop500.0 failed with error -22

<snip>

> mmci-pl18x sdi4: error during DMA transfer!
> mmcblk0rpmb: error -110 transferring data, sector 0, nr 8, cmd response 0x900, card status 0x0
> mmcblk0rpmb: retrying using single block read

It's interesting that the MSP failure has managed to fudge the entire
DMA Controller. I have absolutely no idea how that can even happen?


-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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