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[5.4,009/314] ASoC: fsl_esai: Disable exception interrupt before scheduling tasklet

Message ID 20200623195339.237612207@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman June 23, 2020, 7:53 p.m. UTC 
From: Shengjiu Wang <shengjiu.wang@nxp.com>


[ Upstream commit 1fecbb71fe0e46b886f84e3b6decca6643c3af6d ]

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@nxp.com>

Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>

Link: https://lore.kernel.org/r/a8f2ad955aac9e52587beedc1133b3efbe746895.1587968824.git.shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Signed-off-by: Sasha Levin <sashal@kernel.org>

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

-- 
2.25.1
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Patch

diff --git a/sound/soc/fsl/fsl_esai.c b/sound/soc/fsl/fsl_esai.c
index c7a49d03463a7..84290be778f0e 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);
 	}