diff options
| author | Johan Hovold <johan+linaro@kernel.org> | 2023-07-18 15:29:00 +0200 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2023-07-18 07:58:50 -0700 |
| commit | 97112c83f4671a4a722f99a53be4e91fac4091bc (patch) | |
| tree | 9e9f7bc992d2919cf9ab3569854ce519676bf45a | |
| parent | 66af5339d4f8e20c6d89a490570bd94d40f1a7f6 (diff) | |
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 <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230718132902.21430-7-johan+linaro@kernel.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
| -rw-r--r-- | drivers/clk/qcom/q6sstop-qcs404.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/clk/qcom/q6sstop-qcs404.c b/drivers/clk/qcom/q6sstop-qcs404.c index 780074e05841..26e2d63614ac 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 = { |