From 97112c83f4671a4a722f99a53be4e91fac4091bc Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Tue, 18 Jul 2023 15:29:00 +0200 Subject: [PATCH] clk: qcom: q6sstop-qcs404: fix missing resume during probe Drivers that enable runtime PM must make sure that the controller is runtime resumed before accessing its registers to prevent the power domain from being disabled. Fixes: 6cdef2738db0 ("clk: qcom: Add Q6SSTOP clock controller for QCS404") Cc: stable@vger.kernel.org # 5.5 Signed-off-by: Johan Hovold Link: https://lore.kernel.org/r/20230718132902.21430-7-johan+linaro@kernel.org Signed-off-by: Bjorn Andersson --- drivers/clk/qcom/q6sstop-qcs404.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/clk/qcom/q6sstop-qcs404.c b/drivers/clk/qcom/q6sstop-qcs404.c index 780074e..26e2d63 100644 --- a/drivers/clk/qcom/q6sstop-qcs404.c +++ b/drivers/clk/qcom/q6sstop-qcs404.c @@ -174,21 +174,32 @@ static int q6sstopcc_qcs404_probe(struct platform_device *pdev) return ret; } + ret = pm_runtime_resume_and_get(&pdev->dev); + if (ret) + return ret; + q6sstop_regmap_config.name = "q6sstop_tcsr"; desc = &tcsr_qcs404_desc; ret = qcom_cc_probe_by_index(pdev, 1, desc); if (ret) - return ret; + goto err_put_rpm; q6sstop_regmap_config.name = "q6sstop_cc"; desc = &q6sstop_qcs404_desc; ret = qcom_cc_probe_by_index(pdev, 0, desc); if (ret) - return ret; + goto err_put_rpm; + + pm_runtime_put(&pdev->dev); return 0; + +err_put_rpm: + pm_runtime_put_sync(&pdev->dev); + + return ret; } static const struct dev_pm_ops q6sstopcc_pm_ops = { -- 2.7.4