From: Andrew Jackson Date: Tue, 30 Dec 2014 10:55:44 +0000 (+0000) Subject: ASoC: dwc: Prepare clock before use X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=3a19272a507cd5ad214e0082c3ff7355dfe71329;p=deliverable%2Flinux.git ASoC: dwc: Prepare clock before use Some I2S clocks may require some time to get the clock ready for operation and so need to be prepared before they are enabled. So, prepare the clock as well as enabling it, but combine the two through clk_prepare_enable. Signed-off-by: Andrew Jackson Signed-off-by: Mark Brown --- diff --git a/sound/soc/dwc/designware_i2s.c b/sound/soc/dwc/designware_i2s.c index d3bdc6890eb5..a6327cc086c0 100644 --- a/sound/soc/dwc/designware_i2s.c +++ b/sound/soc/dwc/designware_i2s.c @@ -476,7 +476,7 @@ static int dw_i2s_probe(struct platform_device *pdev) if (IS_ERR(dev->clk)) return PTR_ERR(dev->clk); - ret = clk_enable(dev->clk); + ret = clk_prepare_enable(dev->clk); if (ret < 0) return ret; @@ -491,13 +491,16 @@ static int dw_i2s_probe(struct platform_device *pdev) return 0; err_clk_disable: - clk_disable(dev->clk); + clk_disable_unprepare(dev->clk); return ret; } static int dw_i2s_remove(struct platform_device *pdev) { + struct dw_i2s_dev *dev = dev_get_drvdata(&pdev->dev); + snd_soc_unregister_component(&pdev->dev); + clk_disable_unprepare(dev->clk); return 0; }