ASoC: Intel: Merge Baytrail ADSP suspend_noirq into suspend_late

Merge DSP reset and cleanup sequence in sst_byt_pcm_dev_suspend_noirq()
into sst_byt_pcm_dev_suspend_late(). First their order was wrong by first
unloading firmware modules in suspend_late and then taking DSP into reset
in suspend_noirq. Second ACPI has put device into OFF state already during
suspend_late so trying to reset the DSP is a no-op at suspend_noirq stage.

Fix these by moving DSP reset and cleanup into
sst_byt_pcm_dev_suspend_late() before firmware unloading.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Tested-by: Borun Fu <borun.fu@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

3 files changed, 1 insertions, 28 deletions

diff --git a/sound/soc/intel/sst-baytrail-ipc.c b/sound/soc/intel/sst-baytrail-ipc.c
index d207b22ea330..5008c8f09aac 100644
--- a/sound/soc/intel/sst-baytrail-ipc.c
+++ b/sound/soc/intel/sst-baytrail-ipc.c
@@ -797,7 +797,7 @@ static struct sst_dsp_device byt_dev = {
         .ops = &sst_byt_ops,
 };
 
-int sst_byt_dsp_suspend_noirq(struct device *dev, struct sst_pdata *pdata)
+int sst_byt_dsp_suspend_late(struct device *dev, struct sst_pdata *pdata)
 {
         struct sst_byt *byt = pdata->dsp;
 
@@ -806,14 +806,6 @@ int sst_byt_dsp_suspend_noirq(struct device *dev, struct sst_pdata *pdata)
         sst_byt_drop_all(byt);
         dev_dbg(byt->dev, "dsp in reset\n");
 
-        return 0;
-}
-EXPORT_SYMBOL_GPL(sst_byt_dsp_suspend_noirq);
-
-int sst_byt_dsp_suspend_late(struct device *dev, struct sst_pdata *pdata)
-{
-        struct sst_byt *byt = pdata->dsp;
-
         dev_dbg(byt->dev, "free all blocks and unload fw\n");
         sst_fw_unload(byt->fw);
 
diff --git a/sound/soc/intel/sst-baytrail-ipc.h b/sound/soc/intel/sst-baytrail-ipc.h
index 06a4d202689b..8faff6dcf25d 100644
--- a/sound/soc/intel/sst-baytrail-ipc.h
+++ b/sound/soc/intel/sst-baytrail-ipc.h
@@ -66,7 +66,6 @@ int sst_byt_get_dsp_position(struct sst_byt *byt,
 int sst_byt_dsp_init(struct device *dev, struct sst_pdata *pdata);
 void sst_byt_dsp_free(struct device *dev, struct sst_pdata *pdata);
 struct sst_dsp *sst_byt_get_dsp(struct sst_byt *byt);
-int sst_byt_dsp_suspend_noirq(struct device *dev, struct sst_pdata *pdata);
 int sst_byt_dsp_suspend_late(struct device *dev, struct sst_pdata *pdata);
 int sst_byt_dsp_boot(struct device *dev, struct sst_pdata *pdata);
 int sst_byt_dsp_wait_for_ready(struct device *dev, struct sst_pdata *pdata);
diff --git a/sound/soc/intel/sst-baytrail-pcm.c b/sound/soc/intel/sst-baytrail-pcm.c
index 599401c0c655..ba7ed9720732 100644
--- a/sound/soc/intel/sst-baytrail-pcm.c
+++ b/sound/soc/intel/sst-baytrail-pcm.c
@@ -404,23 +404,6 @@ static const struct snd_soc_component_driver byt_dai_component = {
 };
 
 #ifdef CONFIG_PM
-static int sst_byt_pcm_dev_suspend_noirq(struct device *dev)
-{
-        struct sst_pdata *sst_pdata = dev_get_platdata(dev);
-        int ret;
-
-        dev_dbg(dev, "suspending noirq\n");
-
-        /* at this point all streams will be stopped and context saved */
-        ret = sst_byt_dsp_suspend_noirq(dev, sst_pdata);
-        if (ret < 0) {
-                dev_err(dev, "failed to suspend %d\n", ret);
-                return ret;
-        }
-
-        return ret;
-}
-
 static int sst_byt_pcm_dev_suspend_late(struct device *dev)
 {
         struct sst_pdata *sst_pdata = dev_get_platdata(dev);
@@ -458,7 +441,6 @@ static int sst_byt_pcm_dev_resume(struct device *dev)
 }
 
 static const struct dev_pm_ops sst_byt_pm_ops = {
-        .suspend_noirq = sst_byt_pcm_dev_suspend_noirq,
         .suspend_late = sst_byt_pcm_dev_suspend_late,
         .resume_early = sst_byt_pcm_dev_resume_early,
         .resume = sst_byt_pcm_dev_resume,