summaryrefslogtreecommitdiffstats
path: root/sound/soc/kirkwood
diff options
context:
space:
mode:
authorJean-Francois Moine <moinejf@free.fr>2013-09-21 12:00:36 +0200
committerMark Brown <broonie@linaro.org>2013-09-21 14:31:10 +0100
commit84aac6c79bfdcfbcd8541c814b365c3001cdf5e6 (patch)
tree92447ad11e635852be1d0742776dd928c1b96054 /sound/soc/kirkwood
parentb51600c01979ab1d1c4df17e8910696547ffb9a2 (diff)
downloadlinux-84aac6c79bfdcfbcd8541c814b365c3001cdf5e6.tar.bz2
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.c5
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);