[PATCH AUTOSEL 5.4 010/266] ASoC: fsl_esai: Disable exception interrupt before scheduling tasklet
Sasha Levin
sashal at kernel.org
Thu Jun 18 03:12:15 CEST 2020
From: Shengjiu Wang <shengjiu.wang at 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 at nxp.com>
Acked-by: Nicolin Chen <nicoleotsuka at gmail.com>
Link: https://lore.kernel.org/r/a8f2ad955aac9e52587beedc1133b3efbe746895.1587968824.git.shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie at kernel.org>
Signed-off-by: Sasha Levin <sashal at kernel.org>
---
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);
}
--
2.25.1
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