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| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2019-10-22 14:28:44 -0500 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-10-23 17:45:55 +0100 |
| commit | 6a414489e0f3309a221f26b3d11c19d1a96a3635 (patch) | |
| tree | 8568b3563b438ee9cacb475bc867fe3fe96934b3 /sound/soc/sof/intel/hda-dsp.c | |
| parent | 76dc6a2b312d15c91ff4b4d171e98cdc73ba3745 (diff) | |
| download | linux-next-6a414489e0f3309a221f26b3d11c19d1a96a3635.tar.gz linux-next-6a414489e0f3309a221f26b3d11c19d1a96a3635.zip | |
ASoC: SOF: Intel: hda: add dev_err() traces for snd_sof_dsp_read_poll_timeout()
Such traces should be extremely rare but extremely useful for debug.
Report errors for all calls to sdn_sof_dsp_read_poll_timeout(), but
only on negative values for consistency.
Add traces that enable each timeout to be uniquely identified.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191022192844.21022-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/intel/hda-dsp.c')
| -rw-r--r-- | sound/soc/sof/intel/hda-dsp.c | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/sound/soc/sof/intel/hda-dsp.c b/sound/soc/sof/intel/hda-dsp.c index fb55a3c5afd0..3ea401646e0c 100644 --- a/sound/soc/sof/intel/hda-dsp.c +++ b/sound/soc/sof/intel/hda-dsp.c @@ -42,6 +42,12 @@ int hda_dsp_core_reset_enter(struct snd_sof_dev *sdev, unsigned int core_mask) ((adspcs & reset) == reset), HDA_DSP_REG_POLL_INTERVAL_US, HDA_DSP_RESET_TIMEOUT_US); + if (ret < 0) { + dev_err(sdev->dev, + "error: %s: timeout on HDA_DSP_REG_ADSPCS read\n", + __func__); + return ret; + } /* has core entered reset ? */ adspcs = snd_sof_dsp_read(sdev, HDA_DSP_BAR, @@ -77,6 +83,13 @@ int hda_dsp_core_reset_leave(struct snd_sof_dev *sdev, unsigned int core_mask) HDA_DSP_REG_POLL_INTERVAL_US, HDA_DSP_RESET_TIMEOUT_US); + if (ret < 0) { + dev_err(sdev->dev, + "error: %s: timeout on HDA_DSP_REG_ADSPCS read\n", + __func__); + return ret; + } + /* has core left reset ? */ adspcs = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPCS); @@ -151,8 +164,12 @@ int hda_dsp_core_power_up(struct snd_sof_dev *sdev, unsigned int core_mask) (adspcs & cpa) == cpa, HDA_DSP_REG_POLL_INTERVAL_US, HDA_DSP_RESET_TIMEOUT_US); - if (ret < 0) - dev_err(sdev->dev, "error: timeout on core powerup\n"); + if (ret < 0) { + dev_err(sdev->dev, + "error: %s: timeout on HDA_DSP_REG_ADSPCS read\n", + __func__); + return ret; + } /* did core power up ? */ adspcs = snd_sof_dsp_read(sdev, HDA_DSP_BAR, @@ -171,17 +188,24 @@ int hda_dsp_core_power_up(struct snd_sof_dev *sdev, unsigned int core_mask) int hda_dsp_core_power_down(struct snd_sof_dev *sdev, unsigned int core_mask) { u32 adspcs; + int ret; /* update bits */ snd_sof_dsp_update_bits_unlocked(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPCS, HDA_DSP_ADSPCS_SPA_MASK(core_mask), 0); - return snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, + ret = snd_sof_dsp_read_poll_timeout(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPCS, adspcs, !(adspcs & HDA_DSP_ADSPCS_SPA_MASK(core_mask)), HDA_DSP_REG_POLL_INTERVAL_US, HDA_DSP_PD_TIMEOUT * USEC_PER_MSEC); + if (ret < 0) + dev_err(sdev->dev, + "error: %s: timeout on HDA_DSP_REG_ADSPCS read\n", + __func__); + + return ret; } bool hda_dsp_core_is_enabled(struct snd_sof_dev *sdev, |