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| author | Mark Brown <broonie@kernel.org> | 2019-11-22 22:56:02 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-11-22 22:56:02 +0300 |
| commit | 8c4d2a0bfbd27d030e4652b714cd5a1598f3559b (patch) | |
| tree | d8ea72d906a690109d2f7aeeb2dc9ec529c0d5a6 /sound/soc/sof/debug.c | |
| parent | 3701d2cb87671c227f1aa59226c9a01e9f01c2ea (diff) | |
| parent | 39870b0dec68ed7dd814beb697e541670975c7d8 (diff) | |
| download | linux-8c4d2a0bfbd27d030e4652b714cd5a1598f3559b.tar.xz | |
Merge branch 'asoc-5.5' into asoc-next
Diffstat (limited to 'sound/soc/sof/debug.c')
| -rw-r--r-- | sound/soc/sof/debug.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/sound/soc/sof/debug.c b/sound/soc/sof/debug.c index 5529e8eeca46..d2b3b99d3a20 100644 --- a/sound/soc/sof/debug.c +++ b/sound/soc/sof/debug.c @@ -463,3 +463,19 @@ void snd_sof_free_debug(struct snd_sof_dev *sdev) debugfs_remove_recursive(sdev->debugfs_root); } EXPORT_SYMBOL_GPL(snd_sof_free_debug); + +void snd_sof_handle_fw_exception(struct snd_sof_dev *sdev) +{ + if (IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_RETAIN_DSP_CONTEXT) || + (sof_core_debug & SOF_DBG_RETAIN_CTX)) { + /* should we prevent DSP entering D3 ? */ + dev_info(sdev->dev, "info: preventing DSP entering D3 state to preserve context\n"); + pm_runtime_get_noresume(sdev->dev); + } + + /* dump vital information to the logs */ + snd_sof_dsp_dbg_dump(sdev, SOF_DBG_REGS | SOF_DBG_MBOX); + snd_sof_ipc_dump(sdev); + snd_sof_trace_notify_for_error(sdev); +} +EXPORT_SYMBOL(snd_sof_handle_fw_exception); |