From 5183e85423070d088aaf1ed07ab260e03d5a4e20 Mon Sep 17 00:00:00 2001
From: Olivier Moysan <olivier.moysan@st.com>
Date: Mon, 3 Feb 2020 11:08:12 +0100
Subject: [PATCH] ASoC: stm32: sai: improve error management on probe deferral
Git-commit: 5183e85423070d088aaf1ed07ab260e03d5a4e20
Patch-mainline: v5.7-rc1
References: jsc#SLE-16518
Do not print an error trace when deferring probe for SAI driver.
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Link: https://lore.kernel.org/r/20200203100814.22944-5-olivier.moysan@st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
sound/soc/stm/stm32_sai.c | 12 +++++++++---
sound/soc/stm/stm32_sai_sub.c | 11 ++++++++---
2 files changed, 17 insertions(+), 6 deletions(-)
--- a/sound/soc/stm/stm32_sai.c
+++ b/sound/soc/stm/stm32_sai.c
@@ -174,20 +174,26 @@ static int stm32_sai_probe(struct platfo
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);
}
--- 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
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
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);
}
@@ -1545,7 +1549,8 @@ static int stm32_sai_sub_probe(struct pl
ret = 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;
}