diff options
| author | Satya Priya Kakitapalli <quic_skakitap@quicinc.com> | 2023-12-01 12:50:27 +0300 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2023-12-16 08:00:50 +0300 |
| commit | f6bda45310ff165fdd69b8c3eb6679f0552f8a5f (patch) | |
| tree | 9b99a444517d4887a77b58a68324ccbc3aeeb850 /drivers/clk | |
| parent | 71f130c9193f613d497f7245365ed05ffdb0a401 (diff) | |
| download | linux-f6bda45310ff165fdd69b8c3eb6679f0552f8a5f.tar.xz | |
clk: qcom: videocc-sm8150: Add runtime PM support
Add runtime PM support to ensure the supply rails are enabled
when necessary.
Signed-off-by: Satya Priya Kakitapalli <quic_skakitap@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231201-videocc-8150-v3-4-56bec3a5e443@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/qcom/videocc-sm8150.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/clk/qcom/videocc-sm8150.c b/drivers/clk/qcom/videocc-sm8150.c index 52a9a453a143..f1456eaa87c4 100644 --- a/drivers/clk/qcom/videocc-sm8150.c +++ b/drivers/clk/qcom/videocc-sm8150.c @@ -6,6 +6,7 @@ #include <linux/clk-provider.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/pm_runtime.h> #include <linux/regmap.h> #include <dt-bindings/clock/qcom,videocc-sm8150.h> @@ -240,17 +241,32 @@ MODULE_DEVICE_TABLE(of, video_cc_sm8150_match_table); static int video_cc_sm8150_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, &video_cc_sm8150_desc); - if (IS_ERR(regmap)) + if (IS_ERR(regmap)) { + pm_runtime_put_sync(&pdev->dev); return PTR_ERR(regmap); + } clk_trion_pll_configure(&video_pll0, regmap, &video_pll0_config); /* Keep VIDEO_CC_XO_CLK ALWAYS-ON */ regmap_update_bits(regmap, 0x984, 0x1, 0x1); - return qcom_cc_really_probe(pdev, &video_cc_sm8150_desc, regmap); + ret = qcom_cc_really_probe(pdev, &video_cc_sm8150_desc, regmap); + + pm_runtime_put_sync(&pdev->dev); + + return ret; } static struct platform_driver video_cc_sm8150_driver = { |