ASoC: SOF: Intel: mtl: fix page fault in dspless mode

Nothing to do in dsp irq in DSPless mode.

Signed-off-by: Fred Oh <fred.oh@linux.intel.com>

Author: fredoh9

sound/soc/sof/intel/mtl.c

@@ -60,6 +60,9 @@ bool mtl_dsp_check_ipc_irq(struct snd_sof_dev *sdev)
 	u32 irq_status;
 	u32 hfintipptr;
 
+	if (sdev->dspless_mode_selected)
+		return false;
+
 	/* read Interrupt IP Pointer */
 	hfintipptr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_HFINTIPPTR) & MTL_HFINTIPPTR_PTR_MASK;
 	irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, hfintipptr + MTL_DSP_IRQSTS);
@@ -120,6 +123,9 @@ void mtl_enable_ipc_interrupts(struct snd_sof_dev *sdev)
 	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
 	const struct sof_intel_dsp_desc *chip = hda->desc;
 
+	if (sdev->dspless_mode_selected)
+		return;
+
 	/* enable IPC DONE and BUSY interrupts */
 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, chip->ipc_ctl,
 				MTL_DSP_REG_HFIPCXCTL_BUSY | MTL_DSP_REG_HFIPCXCTL_DONE,
@@ -131,6 +137,9 @@ void mtl_disable_ipc_interrupts(struct snd_sof_dev *sdev)
 	struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
 	const struct sof_intel_dsp_desc *chip = hda->desc;
 
+	if (sdev->dspless_mode_selected)
+		return;
+
 	/* disable IPC DONE and BUSY interrupts */
 	snd_sof_dsp_update_bits(sdev, HDA_DSP_BAR, chip->ipc_ctl,
 				MTL_DSP_REG_HFIPCXCTL_BUSY | MTL_DSP_REG_HFIPCXCTL_DONE, 0);
@@ -143,6 +152,9 @@ static void mtl_enable_sdw_irq(struct snd_sof_dev *sdev, bool enable)
 	u32 val;
 	int ret;
 
+	if (sdev->dspless_mode_selected)
+		return;
+
 	/* Enable/Disable SoundWire interrupt */
 	mask = MTL_DSP_REG_HfSNDWIE_IE_MASK;
 	if (enable)
@@ -170,6 +182,9 @@ int mtl_enable_interrupts(struct snd_sof_dev *sdev, bool enable)
 	u32 val;
 	int ret;
 
+	if (sdev->dspless_mode_selected)
+		return 0;
+
 	/* read Interrupt IP Pointer */
 	hfintipptr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, MTL_HFINTIPPTR) & MTL_HFINTIPPTR_PTR_MASK;