From 097d359c8ca892b63e9d91bdfaf6c45d07c943c7 Mon Sep 17 00:00:00 2001 From: Konrad Dybcio Date: Mon, 29 May 2023 15:14:24 +0200 Subject: 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 Signed-off-by: Bjorn Andersson Link: https://lore.kernel.org/r/20230529-topic-sm6375gpuccpd-v1-2-8d57c41a6066@linaro.org --- drivers/clk/qcom/gpucc-sm6375.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) (limited to 'drivers/clk') 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 #include #include +#include #include #include @@ -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 = { -- cgit v1.2.3