From: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx> Two error cases in snd_sof_device_probe() and sof_probe_continue() are missing error prints. If either of them happens it is not possible to identify the reason for the failure. Add dev_err() prints for the cases to aim debugging. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> Signed-off-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx> --- sound/soc/sof/core.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/sound/soc/sof/core.c b/sound/soc/sof/core.c index 7005353602c4..3e4dd4a86363 100644 --- a/sound/soc/sof/core.c +++ b/sound/soc/sof/core.c @@ -232,8 +232,11 @@ static int sof_probe_continue(struct snd_sof_dev *sdev) } ret = snd_sof_machine_register(sdev, plat_data); - if (ret < 0) + if (ret < 0) { + dev_err(sdev->dev, + "error: failed to register machine driver %d\n", ret); goto fw_trace_err; + } /* * Some platforms in SOF, ex: BYT, may not have their platform PM @@ -309,8 +312,10 @@ int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data) !sof_ops(sdev)->block_read || !sof_ops(sdev)->block_write || !sof_ops(sdev)->send_msg || !sof_ops(sdev)->load_firmware || !sof_ops(sdev)->ipc_msg_data || !sof_ops(sdev)->ipc_pcm_params || - !sof_ops(sdev)->fw_ready) + !sof_ops(sdev)->fw_ready) { + dev_err(dev, "error: missing mandatory ops\n"); return -EINVAL; + } INIT_LIST_HEAD(&sdev->pcm_list); INIT_LIST_HEAD(&sdev->kcontrol_list); -- 2.25.1