From 5183e85423070d088aaf1ed07ab260e03d5a4e20 Mon Sep 17 00:00:00 2001 From: Olivier Moysan Date: Mon, 3 Feb 2020 11:08:12 +0100 Subject: [PATCH] ASoC: stm32: sai: improve error management on probe deferral Do not print an error trace when deferring probe for SAI driver. Signed-off-by: Etienne Carriere Signed-off-by: Olivier Moysan Link: https://lore.kernel.org/r/20200203100814.22944-5-olivier.moysan@st.com Signed-off-by: Mark Brown --- sound/soc/stm/stm32_sai.c | 12 +++++++++--- sound/soc/stm/stm32_sai_sub.c | 11 ++++++++--- 2 files changed, 17 insertions(+), 6 deletions(-) diff --git a/sound/soc/stm/stm32_sai.c b/sound/soc/stm/stm32_sai.c index b824ba6cb028..058757c721f0 100644 --- a/sound/soc/stm/stm32_sai.c +++ b/sound/soc/stm/stm32_sai.c @@ -174,20 +174,26 @@ static int stm32_sai_probe(struct platform_device *pdev) if (!STM_SAI_IS_F4(sai)) { sai->pclk = devm_clk_get(&pdev->dev, "pclk"); if (IS_ERR(sai->pclk)) { - dev_err(&pdev->dev, "missing bus clock pclk\n"); + if (PTR_ERR(sai->pclk) != -EPROBE_DEFER) + dev_err(&pdev->dev, "missing bus clock pclk: %ld\n", + PTR_ERR(sai->pclk)); return PTR_ERR(sai->pclk); } } sai->clk_x8k = devm_clk_get(&pdev->dev, "x8k"); if (IS_ERR(sai->clk_x8k)) { - dev_err(&pdev->dev, "missing x8k parent clock\n"); + if (PTR_ERR(sai->clk_x8k) != -EPROBE_DEFER) + dev_err(&pdev->dev, "missing x8k parent clock: %ld\n", + PTR_ERR(sai->clk_x8k)); return PTR_ERR(sai->clk_x8k); } sai->clk_x11k = devm_clk_get(&pdev->dev, "x11k"); if (IS_ERR(sai->clk_x11k)) { - dev_err(&pdev->dev, "missing x11k parent clock\n"); + if (PTR_ERR(sai->clk_x11k) != -EPROBE_DEFER) + dev_err(&pdev->dev, "missing x11k parent clock: %ld\n", + PTR_ERR(sai->clk_x11k)); return PTR_ERR(sai->clk_x11k); } diff --git a/sound/soc/stm/stm32_sai_sub.c b/sound/soc/stm/stm32_sai_sub.c index 30bcd5d3a32a..0bbf9ed5e48b 100644 --- a/sound/soc/stm/stm32_sai_sub.c +++ b/sound/soc/stm/stm32_sai_sub.c @@ -1380,7 +1380,9 @@ static int stm32_sai_sub_parse_of(struct platform_device *pdev, sai->regmap = devm_regmap_init_mmio(&pdev->dev, base, sai->regmap_config); if (IS_ERR(sai->regmap)) { - dev_err(&pdev->dev, "Failed to initialize MMIO\n"); + if (PTR_ERR(sai->regmap) != -EPROBE_DEFER) + dev_err(&pdev->dev, "Regmap init error %ld\n", + PTR_ERR(sai->regmap)); return PTR_ERR(sai->regmap); } @@ -1471,7 +1473,9 @@ static int stm32_sai_sub_parse_of(struct platform_device *pdev, of_node_put(args.np); sai->sai_ck = devm_clk_get(&pdev->dev, "sai_ck"); if (IS_ERR(sai->sai_ck)) { - dev_err(&pdev->dev, "Missing kernel clock sai_ck\n"); + if (PTR_ERR(sai->sai_ck) != -EPROBE_DEFER) + dev_err(&pdev->dev, "Missing kernel clock sai_ck: %ld\n", + PTR_ERR(sai->sai_ck)); return PTR_ERR(sai->sai_ck); } @@ -1553,7 +1557,8 @@ static int stm32_sai_sub_probe(struct platform_device *pdev) ret = devm_snd_dmaengine_pcm_register(&pdev->dev, conf, 0); if (ret) { - dev_err(&pdev->dev, "Could not register pcm dma\n"); + if (ret != -EPROBE_DEFER) + dev_err(&pdev->dev, "PCM DMA register error %d\n", ret); return ret; } -- 2.30.2