| Message ID | 20230718132902.21430-8-johan+linaro@kernel.org (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | e2349da0fa7ca822cda72f427345b95795358fe7 |
| Headers | show |
| Series | clk: qcom: fix runtime PM bugs | expand |
diff --git a/drivers/clk/qcom/mss-sc7180.c b/drivers/clk/qcom/mss-sc7180.c index 5a1407440662..d106bc65470e 100644 --- a/drivers/clk/qcom/mss-sc7180.c +++ b/drivers/clk/qcom/mss-sc7180.c @@ -87,11 +87,22 @@ static int mss_sc7180_probe(struct platform_device *pdev) return ret; } + ret = pm_runtime_resume_and_get(&pdev->dev); + if (ret) + return ret; + ret = qcom_cc_probe(pdev, &mss_sc7180_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 mss_sc7180_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: 8def929c4097 ("clk: qcom: Add modem clock controller driver for SC7180") Cc: stable@vger.kernel.org # 5.7 Cc: Taniya Das <quic_tdas@quicinc.com> Signed-off-by: Johan Hovold <johan+linaro@kernel.org> --- drivers/clk/qcom/mss-sc7180.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-)