linux-kernel - [PATCH 1/9] ASoC: SOF: Drop unused DSP power states: D3_HOT and D3

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Date:   Thu, 10 Feb 2022 12:55:11 +0200
From:   Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>
To:     lgirdwood@...il.com, broonie@...nel.org,
        pierre-louis.bossart@...ux.intel.com,
        ranjani.sridharan@...ux.intel.com
Cc:     alsa-devel@...a-project.org, kai.vehmanen@...ux.intel.com,
        daniel.baluta@....com, tiwai@...e.com,
        linux-kernel@...r.kernel.org, fred.oh@...ux.intel.com
Subject: [PATCH 1/9] ASoC: SOF: Drop unused DSP power states: D3_HOT and D3_COLD

The only reference to D3_HOT and D3_COLD DSP power state is in
intel/hda-dsp.c in form of a dev_dbg() print.

Remove them as they are not used and even if they are they could be
re-added via the substate.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@...ux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>
---
 sound/soc/sof/intel/hda-dsp.c | 6 ------
 sound/soc/sof/sof-priv.h      | 2 --
 2 files changed, 8 deletions(-)

diff --git a/sound/soc/sof/intel/hda-dsp.c b/sound/soc/sof/intel/hda-dsp.c
index 0fe522549c91..8ddde60c56b3 100644
--- a/sound/soc/sof/intel/hda-dsp.c
+++ b/sound/soc/sof/intel/hda-dsp.c
@@ -498,15 +498,9 @@ static void hda_dsp_state_log(struct snd_sof_dev *sdev)
 	case SOF_DSP_PM_D2:
 		dev_dbg(sdev->dev, "Current DSP power state: D2\n");
 		break;
-	case SOF_DSP_PM_D3_HOT:
-		dev_dbg(sdev->dev, "Current DSP power state: D3_HOT\n");
-		break;
 	case SOF_DSP_PM_D3:
 		dev_dbg(sdev->dev, "Current DSP power state: D3\n");
 		break;
-	case SOF_DSP_PM_D3_COLD:
-		dev_dbg(sdev->dev, "Current DSP power state: D3_COLD\n");
-		break;
 	default:
 		dev_dbg(sdev->dev, "Unknown DSP power state: %d\n",
 			sdev->dsp_power_state.state);
diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h
index e48402ce4bdb..6358f8c84cce 100644
--- a/sound/soc/sof/sof-priv.h
+++ b/sound/soc/sof/sof-priv.h
@@ -84,9 +84,7 @@ enum sof_dsp_power_states {
 	SOF_DSP_PM_D0,
 	SOF_DSP_PM_D1,
 	SOF_DSP_PM_D2,
-	SOF_DSP_PM_D3_HOT,
 	SOF_DSP_PM_D3,
-	SOF_DSP_PM_D3_COLD,
 };
 
 struct sof_dsp_power_state {
-- 
2.35.1