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ASoC: stm32: i2s: improve error management on probe deferral 

Do not print an error trace when deferring probe for I2S 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/20200203100814.22944-7-olivier.moysan@st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
alistair/sensors
Olivier Moysan 2020-02-03 11:08:14 +01:00 committed by Mark Brown
parent d49bd5ed24
commit 04dd656e8d
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 19 additions and 6 deletions
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25
sound/soc/stm/stm32_i2s.c
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@ -831,25 +831,33 @@ static int stm32_i2s_parse_dt(struct platform_device *pdev,
/* Get clocks */
i2s->pclk = devm_clk_get(&pdev->dev, "pclk");
if (IS_ERR(i2s->pclk)) {
dev_err(&pdev->dev, "Could not get pclk\n");
if (PTR_ERR(i2s->pclk) != -EPROBE_DEFER)
dev_err(&pdev->dev, "Could not get pclk: %ld\n",
PTR_ERR(i2s->pclk));
return PTR_ERR(i2s->pclk);
}
i2s->i2sclk = devm_clk_get(&pdev->dev, "i2sclk");
if (IS_ERR(i2s->i2sclk)) {
dev_err(&pdev->dev, "Could not get i2sclk\n");
if (PTR_ERR(i2s->i2sclk) != -EPROBE_DEFER)
dev_err(&pdev->dev, "Could not get i2sclk: %ld\n",
PTR_ERR(i2s->i2sclk));
return PTR_ERR(i2s->i2sclk);
}
i2s->x8kclk = devm_clk_get(&pdev->dev, "x8k");
if (IS_ERR(i2s->x8kclk)) {
dev_err(&pdev->dev, "missing x8k parent clock\n");
if (PTR_ERR(i2s->x8kclk) != -EPROBE_DEFER)
dev_err(&pdev->dev, "Could not get x8k parent clock: %ld\n",
PTR_ERR(i2s->x8kclk));
return PTR_ERR(i2s->x8kclk);
}
i2s->x11kclk = devm_clk_get(&pdev->dev, "x11k");
if (IS_ERR(i2s->x11kclk)) {
dev_err(&pdev->dev, "missing x11k parent clock\n");
if (PTR_ERR(i2s->x11kclk) != -EPROBE_DEFER)
dev_err(&pdev->dev, "Could not get x11k parent clock: %ld\n",
PTR_ERR(i2s->x11kclk));
return PTR_ERR(i2s->x11kclk);
}
@ -907,7 +915,9 @@ static int stm32_i2s_probe(struct platform_device *pdev)
i2s->regmap = devm_regmap_init_mmio_clk(&pdev->dev, "pclk",
i2s->base, i2s->regmap_conf);
if (IS_ERR(i2s->regmap)) {
dev_err(&pdev->dev, "regmap init failed\n");
if (PTR_ERR(i2s->regmap) != -EPROBE_DEFER)
dev_err(&pdev->dev, "Regmap init error %ld\n",
PTR_ERR(i2s->regmap));
return PTR_ERR(i2s->regmap);
}
@ -918,8 +928,11 @@ static int stm32_i2s_probe(struct platform_device *pdev)
ret = devm_snd_dmaengine_pcm_register(&pdev->dev,
&stm32_i2s_pcm_config, 0);
if (ret)
if (ret) {
if (ret != -EPROBE_DEFER)
dev_err(&pdev->dev, "PCM DMA register error %d\n", ret);
return ret;
}
/* Set SPI/I2S in i2s mode */
ret = regmap_update_bits(i2s->regmap, STM32_I2S_CGFR_REG,