This helps figuring out why the device probe is deferred, e.g. missing FSL_EDMA driver.
Signed-off-by: Alexander Stein alexander.stein@ew.tq-group.com --- Old: root@ls1021:~# cat /sys/kernel/debug/devices_deferred sound fsl-asoc-card: snd_soc_register_card failed: -517 2b50000.sai
New: root@ls1021:~# cat /sys/kernel/debug/devices_deferred sound fsl-asoc-card: snd_soc_register_card failed: -517 2b50000.sai fsl-sai: Registering PCM dmaengine failed
sound/soc/fsl/fsl_sai.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c index 1c9be8a5dcb13..2a38e2bdf9893 100644 --- a/sound/soc/fsl/fsl_sai.c +++ b/sound/soc/fsl/fsl_sai.c @@ -1458,14 +1458,17 @@ static int fsl_sai_probe(struct platform_device *pdev) if (sai->soc_data->use_imx_pcm) { ret = imx_pcm_dma_init(pdev); if (ret) { + dev_err_probe(dev, ret, "PCM DMA init failed\n"); if (!IS_ENABLED(CONFIG_SND_SOC_IMX_PCM_DMA)) dev_err(dev, "Error: You must enable the imx-pcm-dma support!\n"); goto err_pm_get_sync; } } else { ret = devm_snd_dmaengine_pcm_register(dev, NULL, 0); - if (ret) + if (ret) { + dev_err_probe(dev, ret, "Registering PCM dmaengine failed\n"); goto err_pm_get_sync; + } }
ret = devm_snd_soc_register_component(dev, &fsl_component,