There is an unhandled interrupt after suspend, which cause endless interrupt when system resume, so system may hang. Disable all interrupts in runtime suspend callback to avoid above issue. Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx> --- sound/soc/fsl/fsl_xcvr.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/sound/soc/fsl/fsl_xcvr.c b/sound/soc/fsl/fsl_xcvr.c index df7c189d97dd..37b4fdb236ee 100644 --- a/sound/soc/fsl/fsl_xcvr.c +++ b/sound/soc/fsl/fsl_xcvr.c @@ -1233,6 +1233,11 @@ static __maybe_unused int fsl_xcvr_runtime_suspend(struct device *dev) struct fsl_xcvr *xcvr = dev_get_drvdata(dev); int ret; + ret = regmap_update_bits(xcvr->regmap, FSL_XCVR_EXT_IER0, + FSL_XCVR_IRQ_EARC_ALL, 0); + if (ret < 0) + dev_err(dev, "Failed to clear IER0: %d\n", ret); + /* Assert M0+ reset */ ret = regmap_update_bits(xcvr->regmap, FSL_XCVR_EXT_CTRL, FSL_XCVR_EXT_CTRL_CORE_RESET, -- 2.27.0
