From: Keyon Jie yang.jie@linux.intel.com
The stream and IPC share the same interrupt. The stream interrupt handler mistakenly uses the ipc interrupt and return IRQ_HANDLED, causing the ipc interrupt to be missed.
Make sure the stream interrupt handler only deals with stream-related interrupts.
Signed-off-by: Keyon Jie yang.jie@linux.intel.com Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- sound/soc/sof/intel/hda-stream.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/sound/soc/sof/intel/hda-stream.c b/sound/soc/sof/intel/hda-stream.c index 39f4212bde4b..c92006f89499 100644 --- a/sound/soc/sof/intel/hda-stream.c +++ b/sound/soc/sof/intel/hda-stream.c @@ -433,6 +433,8 @@ int hda_dsp_stream_hw_params(struct snd_sof_dev *sdev, irqreturn_t hda_dsp_stream_interrupt(int irq, void *context) { struct hdac_bus *bus = context; + struct sof_intel_hda_dev *sof_hda = bus_to_sof_hda(bus); + u32 stream_mask; u32 status;
if (!pm_runtime_active(bus->dev)) @@ -441,7 +443,10 @@ irqreturn_t hda_dsp_stream_interrupt(int irq, void *context) spin_lock(&bus->reg_lock);
status = snd_hdac_chip_readl(bus, INTSTS); - if (status == 0 || status == 0xffffffff) { + stream_mask = GENMASK(sof_hda->stream_max - 1, 0) | AZX_INT_CTRL_EN; + + /* Not stream interrupt or register inaccessible, ignore it.*/ + if (!(status & stream_mask) || status == 0xffffffff) { spin_unlock(&bus->reg_lock); return IRQ_NONE; }