diff options
| author | Ranjani Sridharan <ranjani.sridharan@linux.intel.com> | 2021-11-02 12:10:19 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-11-15 13:26:48 +0000 |
| commit | 48b5b6a56002569881d18be56deaddad045df918 (patch) | |
| tree | 352f62cb6d760351ebb8171e065e895042355a63 /sound/soc/sof/trace.c | |
| parent | b4e2d7ce132bc4337916662f8e699420377132d9 (diff) | |
| download | linux-48b5b6a56002569881d18be56deaddad045df918.tar.bz2 | |
ASoC: SOF: trace: send DMA_TRACE_FREE IPC during release
Send the DMA_TRACE_FREE IPC during release to stop and free the trace
DMA in the DSP.
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20211102101019.14037-4-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/trace.c')
| -rw-r--r-- | sound/soc/sof/trace.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/sound/soc/sof/trace.c b/sound/soc/sof/trace.c index e3afc3dac7d1..f13024c8ebf2 100644 --- a/sound/soc/sof/trace.c +++ b/sound/soc/sof/trace.c @@ -539,6 +539,10 @@ EXPORT_SYMBOL(snd_sof_trace_notify_for_error); void snd_sof_release_trace(struct snd_sof_dev *sdev) { + struct sof_ipc_fw_ready *ready = &sdev->fw_ready; + struct sof_ipc_fw_version *v = &ready->version; + struct sof_ipc_cmd_hdr hdr; + struct sof_ipc_reply ipc_reply; int ret; if (!sdev->dtrace_is_supported || !sdev->dtrace_is_enabled) @@ -549,6 +553,20 @@ void snd_sof_release_trace(struct snd_sof_dev *sdev) dev_err(sdev->dev, "error: snd_sof_dma_trace_trigger: stop: %d\n", ret); + /* + * stop and free trace DMA in the DSP. TRACE_DMA_FREE is only supported from + * ABI 3.20.0 onwards + */ + if (v->abi_version >= SOF_ABI_VER(3, 20, 0)) { + hdr.size = sizeof(hdr); + hdr.cmd = SOF_IPC_GLB_TRACE_MSG | SOF_IPC_TRACE_DMA_FREE; + + ret = sof_ipc_tx_message(sdev->ipc, hdr.cmd, &hdr, hdr.size, + &ipc_reply, sizeof(ipc_reply)); + if (ret < 0) + dev_err(sdev->dev, "DMA_TRACE_FREE failed with error: %d\n", ret); + } + ret = snd_sof_dma_trace_release(sdev); if (ret < 0) dev_err(sdev->dev, |