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| author | Jean-Francois Moine <moinejf@free.fr> | 2013-09-21 12:00:36 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-09-21 14:31:10 +0100 |
| commit | 84aac6c79bfdcfbcd8541c814b365c3001cdf5e6 (patch) | |
| tree | 92447ad11e635852be1d0742776dd928c1b96054 /sound/soc/kirkwood | |
| parent | b51600c01979ab1d1c4df17e8910696547ffb9a2 (diff) | |
| download | linux-84aac6c79bfdcfbcd8541c814b365c3001cdf5e6.tar.gz linux-84aac6c79bfdcfbcd8541c814b365c3001cdf5e6.tar.bz2 linux-84aac6c79bfdcfbcd8541c814b365c3001cdf5e6.zip | |
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>
Diffstat (limited to 'sound/soc/kirkwood')
| -rw-r--r-- | sound/soc/kirkwood/kirkwood-i2s.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sound/soc/kirkwood/kirkwood-i2s.c b/sound/soc/kirkwood/kirkwood-i2s.c index 0f3d73d4ef48..3e59af983527 100644 --- a/sound/soc/kirkwood/kirkwood-i2s.c +++ b/sound/soc/kirkwood/kirkwood-i2s.c @@ -496,7 +496,10 @@ static int kirkwood_i2s_dev_probe(struct platform_device *pdev) return err; priv->extclk = devm_clk_get(&pdev->dev, "extclk"); - if (!IS_ERR(priv->extclk)) { + if (IS_ERR(priv->extclk)) { + if (PTR_ERR(priv->extclk) == -EPROBE_DEFER) + return -EPROBE_DEFER; + } else { if (priv->extclk == priv->clk) { devm_clk_put(&pdev->dev, priv->extclk); priv->extclk = ERR_PTR(-EINVAL); |