linux-kernel - [PATCH] ASoC: qcom: common: Mark links as nonatomic

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Date:   Mon, 17 Jun 2019 22:29:09 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Patrick Lai <plai@...eaurora.org>,
        Banajit Goswami <bgoswami@...eaurora.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH] ASoC: qcom: common: Mark links as nonatomic

The interface used to communicate with the DSP can sleep, so mark the
links as nonatomic. This prevents various sleep while atomic errors when
bringing up the audio interface.

Suggested-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
 sound/soc/qcom/common.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/qcom/common.c b/sound/soc/qcom/common.c
index 97488b5cc515..2c7348ddbbb3 100644
--- a/sound/soc/qcom/common.c
+++ b/sound/soc/qcom/common.c
@@ -116,6 +116,7 @@ int qcom_snd_parse_of(struct snd_soc_card *card)
 			goto err;
 		}
 
+		link->nonatomic = 1;
 		link->dpcm_playback = 1;
 		link->dpcm_capture = 1;
 		link->stream_name = link->name;
-- 
2.18.0