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SubjectApplied "ASoC: dmaengine: Improve of_node test in dmaengine_pcm_request_chan_of()" to the asoc tree
The patch

ASoC: dmaengine: Improve of_node test in dmaengine_pcm_request_chan_of()

has been applied to the asoc tree at

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From 51256d348c9af1bf544a4432abc1d5f2fd3ef34b Mon Sep 17 00:00:00 2001
From: Sylwester Nawrocki <>
Date: Thu, 7 Feb 2019 18:00:09 +0100
Subject: [PATCH] ASoC: dmaengine: Improve of_node test in

Currently when of_node of the "PCM" device is null
dmaengine_pcm_request_chan_of() function will bail out, including cases
when custom DMA device is intended to be used. To have the channels
properly requested when custom DMA device is provided extend the of_node
test to also consider dma_dev->of_node.

Signed-off-by: Sylwester Nawrocki <>
Acked-by: Krzysztof Kozlowski <>
Signed-off-by: Mark Brown <>
sound/soc/soc-generic-dmaengine-pcm.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c
index 30e791a53352..6d7638c1233d 100644
--- a/sound/soc/soc-generic-dmaengine-pcm.c
+++ b/sound/soc/soc-generic-dmaengine-pcm.c
@@ -415,7 +415,8 @@ static int dmaengine_pcm_request_chan_of(struct dmaengine_pcm *pcm,

if ((pcm->flags & (SND_DMAENGINE_PCM_FLAG_NO_DT |
- !dev->of_node)
+ (!dev->of_node && !(config && config->dma_dev &&
+ config->dma_dev->of_node)))
return 0;

if (config && config->dma_dev) {
 \ /
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