[PATCH v2] ASoC: fsl_esai: Disable exception interrupt before scheduling tasklet

Shengjiu Wang shengjiu.wang at nxp.com
Mon Apr 27 08:23:21 CEST 2020


Disable exception interrupt before scheduling tasklet, otherwise if
the tasklet isn't handled immediately, there will be endless xrun
interrupt.

Fixes: 7ccafa2b3879 ("ASoC: fsl_esai: recover the channel swap after xrun")
Signed-off-by: Shengjiu Wang <shengjiu.wang at nxp.com>
---
changes in v2
- Disable exception interrupt instead of remove tasklet.

 sound/soc/fsl/fsl_esai.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sound/soc/fsl/fsl_esai.c b/sound/soc/fsl/fsl_esai.c
index c7a49d03463a..84290be778f0 100644
--- a/sound/soc/fsl/fsl_esai.c
+++ b/sound/soc/fsl/fsl_esai.c
@@ -87,6 +87,10 @@ static irqreturn_t esai_isr(int irq, void *devid)
 	if ((saisr & (ESAI_SAISR_TUE | ESAI_SAISR_ROE)) &&
 	    esai_priv->reset_at_xrun) {
 		dev_dbg(&pdev->dev, "reset module for xrun\n");
+		regmap_update_bits(esai_priv->regmap, REG_ESAI_TCR,
+				   ESAI_xCR_xEIE_MASK, 0);
+		regmap_update_bits(esai_priv->regmap, REG_ESAI_RCR,
+				   ESAI_xCR_xEIE_MASK, 0);
 		tasklet_schedule(&esai_priv->task);
 	}
 
-- 
2.21.0



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