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>
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@ -363,6 +363,7 @@ int snd_sof_device_remove(struct device *dev)
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cancel_work_sync(&sdev->probe_work);
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if (sdev->fw_state > SOF_FW_BOOT_NOT_STARTED) {
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snd_sof_free_trace(sdev);
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ret = snd_sof_dsp_power_down_notify(sdev);
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if (ret < 0)
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dev_warn(dev, "error: %d failed to prepare DSP for device removal",
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@ -370,7 +371,6 @@ int snd_sof_device_remove(struct device *dev)
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snd_sof_ipc_free(sdev);
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snd_sof_free_debug(sdev);
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snd_sof_free_trace(sdev);
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}
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/*
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@ -539,6 +539,10 @@ EXPORT_SYMBOL(snd_sof_trace_notify_for_error);
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void snd_sof_release_trace(struct snd_sof_dev *sdev)
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{
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struct sof_ipc_fw_ready *ready = &sdev->fw_ready;
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struct sof_ipc_fw_version *v = &ready->version;
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struct sof_ipc_cmd_hdr hdr;
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struct sof_ipc_reply ipc_reply;
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int ret;
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if (!sdev->dtrace_is_supported || !sdev->dtrace_is_enabled)
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@ -549,6 +553,20 @@ void snd_sof_release_trace(struct snd_sof_dev *sdev)
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dev_err(sdev->dev,
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"error: snd_sof_dma_trace_trigger: stop: %d\n", ret);
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/*
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* stop and free trace DMA in the DSP. TRACE_DMA_FREE is only supported from
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* ABI 3.20.0 onwards
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*/
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if (v->abi_version >= SOF_ABI_VER(3, 20, 0)) {
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hdr.size = sizeof(hdr);
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hdr.cmd = SOF_IPC_GLB_TRACE_MSG | SOF_IPC_TRACE_DMA_FREE;
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ret = sof_ipc_tx_message(sdev->ipc, hdr.cmd, &hdr, hdr.size,
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&ipc_reply, sizeof(ipc_reply));
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if (ret < 0)
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dev_err(sdev->dev, "DMA_TRACE_FREE failed with error: %d\n", ret);
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}
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ret = snd_sof_dma_trace_release(sdev);
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if (ret < 0)
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dev_err(sdev->dev,
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