Merge branch 'for-5.4' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie...

[platform/kernel/linux-rpi.git] / sound / soc / sof / debug.c

diff --git a/sound/soc/sof/debug.c b/sound/soc/sof/debug.c
index 5529e8e..d2b3b99 100644 (file)
--- 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);