diff --git a/sound/soc/sof/core.c b/sound/soc/sof/core.c index 2c3de295f11fe06b83edc326609c456f4cc723d6..9ec9ef8ed525faa98236591e32d852c64c53d8b5 100644 --- a/sound/soc/sof/core.c +++ b/sound/soc/sof/core.c @@ -363,6 +363,7 @@ int snd_sof_device_remove(struct device *dev) cancel_work_sync(&sdev->probe_work); if (sdev->fw_state > SOF_FW_BOOT_NOT_STARTED) { + snd_sof_free_trace(sdev); ret = snd_sof_dsp_power_down_notify(sdev); if (ret < 0) dev_warn(dev, "error: %d failed to prepare DSP for device removal", @@ -370,7 +371,6 @@ int snd_sof_device_remove(struct device *dev) snd_sof_ipc_free(sdev); snd_sof_free_debug(sdev); - snd_sof_free_trace(sdev); } /* diff --git a/sound/soc/sof/trace.c b/sound/soc/sof/trace.c index e3afc3dac7d17a875d6053edfa19d90a37c8208b..f13024c8ebf2fbf6ea23b1f26c9a10234c8a2d0c 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,