From 2fbbcffea5b6adbfe90ffc842a6b3eb2d7e381ed Mon Sep 17 00:00:00 2001 From: Shengjiu Wang Date: Wed, 18 Aug 2021 14:03:34 +0800 Subject: [PATCH] ASoC: fsl_rpmsg: Check -EPROBE_DEFER for getting clocks The devm_clk_get() may return -EPROBE_DEFER, then clocks will be assigned to NULL wrongly. As the clocks are optional so we can use devm_clk_get_optional() instead of devm_clk_get(). Fixes: b73d9e6225e8 ("ASoC: fsl_rpmsg: Add CPU DAI driver for audio base on rpmsg") Signed-off-by: Shengjiu Wang Link: https://lore.kernel.org/r/1629266614-6942-1-git-send-email-shengjiu.wang@nxp.com Signed-off-by: Mark Brown --- sound/soc/fsl/fsl_rpmsg.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/sound/soc/fsl/fsl_rpmsg.c b/sound/soc/fsl/fsl_rpmsg.c index ea5c973..d60f4da 100644 --- a/sound/soc/fsl/fsl_rpmsg.c +++ b/sound/soc/fsl/fsl_rpmsg.c @@ -165,25 +165,25 @@ static int fsl_rpmsg_probe(struct platform_device *pdev) } /* Get the optional clocks */ - rpmsg->ipg = devm_clk_get(&pdev->dev, "ipg"); + rpmsg->ipg = devm_clk_get_optional(&pdev->dev, "ipg"); if (IS_ERR(rpmsg->ipg)) - rpmsg->ipg = NULL; + return PTR_ERR(rpmsg->ipg); - rpmsg->mclk = devm_clk_get(&pdev->dev, "mclk"); + rpmsg->mclk = devm_clk_get_optional(&pdev->dev, "mclk"); if (IS_ERR(rpmsg->mclk)) - rpmsg->mclk = NULL; + return PTR_ERR(rpmsg->mclk); - rpmsg->dma = devm_clk_get(&pdev->dev, "dma"); + rpmsg->dma = devm_clk_get_optional(&pdev->dev, "dma"); if (IS_ERR(rpmsg->dma)) - rpmsg->dma = NULL; + return PTR_ERR(rpmsg->dma); - rpmsg->pll8k = devm_clk_get(&pdev->dev, "pll8k"); + rpmsg->pll8k = devm_clk_get_optional(&pdev->dev, "pll8k"); if (IS_ERR(rpmsg->pll8k)) - rpmsg->pll8k = NULL; + return PTR_ERR(rpmsg->pll8k); - rpmsg->pll11k = devm_clk_get(&pdev->dev, "pll11k"); + rpmsg->pll11k = devm_clk_get_optional(&pdev->dev, "pll11k"); if (IS_ERR(rpmsg->pll11k)) - rpmsg->pll11k = NULL; + return PTR_ERR(rpmsg->pll11k); platform_set_drvdata(pdev, rpmsg); pm_runtime_enable(&pdev->dev); -- 2.7.4