| Message ID | 20230718132902.21430-9-johan+linaro@kernel.org |
|---|---|
| State | Accepted |
| Commit | a9f71a033587c9074059132d34c74eabbe95ef26 |
| Headers | show |
| Series | clk: qcom: fix runtime PM bugs | expand |
diff --git a/drivers/clk/qcom/turingcc-qcs404.c b/drivers/clk/qcom/turingcc-qcs404.c index 43184459228f..2cd288d6c3e4 100644 --- a/drivers/clk/qcom/turingcc-qcs404.c +++ b/drivers/clk/qcom/turingcc-qcs404.c @@ -125,11 +125,22 @@ static int turingcc_probe(struct platform_device *pdev) return ret; } + ret = pm_runtime_resume_and_get(&pdev->dev); + if (ret) + return ret; + ret = qcom_cc_probe(pdev, &turingcc_desc); if (ret < 0) - 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 turingcc_pm_ops = {
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: 892df0191b29 ("clk: qcom: Add QCS404 TuringCC") Cc: stable@vger.kernel.org # 5.2 Cc: Bjorn Andersson <andersson@kernel.org> Signed-off-by: Johan Hovold <johan+linaro@kernel.org> --- drivers/clk/qcom/turingcc-qcs404.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-)