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| author | Konrad Dybcio <konrad.dybcio@linaro.org> | 2023-05-29 15:14:24 +0200 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2023-06-13 16:30:13 -0700 |
| commit | 097d359c8ca892b63e9d91bdfaf6c45d07c943c7 (patch) | |
| tree | 4e9e71d86ba8f55d4f7c50560b1bab52a5388193 /drivers/clk | |
| parent | 2f138c667cb94a3a150d3341ca5ebf62480b501f (diff) | |
| download | linux-stable-097d359c8ca892b63e9d91bdfaf6c45d07c943c7.tar.gz linux-stable-097d359c8ca892b63e9d91bdfaf6c45d07c943c7.tar.bz2 linux-stable-097d359c8ca892b63e9d91bdfaf6c45d07c943c7.zip | |
clk: qcom: gpucc-sm6375: Enable runtime pm
The GPUCC block on SM6375 is powered by VDD_CX and VDD_GX. If the latter
rail is not online, GX_GDSC will never turn on. Enable runtime pm so that
we can reference VDD_GX from the dt to ensure that.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230529-topic-sm6375gpuccpd-v1-2-8d57c41a6066@linaro.org
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/qcom/gpucc-sm6375.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/clk/qcom/gpucc-sm6375.c b/drivers/clk/qcom/gpucc-sm6375.c index d3620344a009..2d863dc3d83b 100644 --- a/drivers/clk/qcom/gpucc-sm6375.c +++ b/drivers/clk/qcom/gpucc-sm6375.c @@ -7,6 +7,7 @@ #include <linux/clk-provider.h> #include <linux/module.h> #include <linux/of_device.h> +#include <linux/pm_runtime.h> #include <linux/regmap.h> #include <dt-bindings/clock/qcom,sm6375-gpucc.h> @@ -434,15 +435,29 @@ MODULE_DEVICE_TABLE(of, gpucc_sm6375_match_table); static int gpucc_sm6375_probe(struct platform_device *pdev) { struct regmap *regmap; + int ret; + + ret = devm_pm_runtime_enable(&pdev->dev); + if (ret) + return ret; + + ret = pm_runtime_resume_and_get(&pdev->dev); + if (ret) + return ret; regmap = qcom_cc_map(pdev, &gpucc_sm6375_desc); - if (IS_ERR(regmap)) + if (IS_ERR(regmap)) { + pm_runtime_put(&pdev->dev); return PTR_ERR(regmap); + } clk_lucid_pll_configure(&gpucc_pll0, regmap, &gpucc_pll0_config); clk_lucid_pll_configure(&gpucc_pll1, regmap, &gpucc_pll1_config); - return qcom_cc_really_probe(pdev, &gpucc_sm6375_desc, regmap); + ret = qcom_cc_really_probe(pdev, &gpucc_sm6375_desc, regmap); + pm_runtime_put(&pdev->dev); + + return ret; } static struct platform_driver gpucc_sm6375_driver = { |