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ASoC: kirkwood: fix loss of external clock at probe time
At probe time, when the clock driver is not yet initialized, the external clock of the kirkwood sound device will not be usable. This patch fixes this problem defering the device probe. Signed-off-by: Jean-Francois Moine <moinejf@free.fr> Signed-off-by: Mark Brown <broonie@linaro.org>
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1 changed files with 4 additions and 1 deletions
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@ -496,7 +496,10 @@ static int kirkwood_i2s_dev_probe(struct platform_device *pdev)
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return err;
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priv->extclk = devm_clk_get(&pdev->dev, "extclk");
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if (!IS_ERR(priv->extclk)) {
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if (IS_ERR(priv->extclk)) {
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if (PTR_ERR(priv->extclk) == -EPROBE_DEFER)
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return -EPROBE_DEFER;
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} else {
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if (priv->extclk == priv->clk) {
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devm_clk_put(&pdev->dev, priv->extclk);
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priv->extclk = ERR_PTR(-EINVAL);
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