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Date: Fri, 20 Nov 2020 22:10:17 +0530 From: Taniya Das <tdas@...eaurora.org> To: Stephen Boyd <sboyd@...nel.org>, Michael Turquette <mturquette@...libre.com> Cc: David Brown <david.brown@...aro.org>, Rajendra Nayak <rnayak@...eaurora.org>, linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org, linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org, Taniya Das <tdas@...eaurora.org> Subject: [PATCH v1] clk: qcom: lpasscc: Introduce pm autosuspend for SC7180 The LPASSCC driver's suspend/resume is invoked multiple number of times and thus allow the device to autosuspend for 500ms. Signed-off-by: Taniya Das <tdas@...eaurora.org> --- drivers/clk/qcom/lpasscorecc-sc7180.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/clk/qcom/lpasscorecc-sc7180.c b/drivers/clk/qcom/lpasscorecc-sc7180.c index 9081649..2e0ecc3 100644 --- a/drivers/clk/qcom/lpasscorecc-sc7180.c +++ b/drivers/clk/qcom/lpasscorecc-sc7180.c @@ -370,7 +370,10 @@ static int lpass_create_pm_clks(struct platform_device *pdev) { int ret; + pm_runtime_use_autosuspend(&pdev->dev); + pm_runtime_set_autosuspend_delay(&pdev->dev, 500); pm_runtime_enable(&pdev->dev); + ret = devm_add_action_or_reset(&pdev->dev, lpass_pm_runtime_disable, &pdev->dev); if (ret) return ret; @@ -423,7 +426,12 @@ static int lpass_core_cc_sc7180_probe(struct platform_device *pdev) clk_fabia_pll_configure(&lpass_lpaaudio_dig_pll, regmap, &lpass_lpaaudio_dig_pll_config); - return qcom_cc_really_probe(pdev, &lpass_core_cc_sc7180_desc, regmap); + ret = qcom_cc_really_probe(pdev, &lpass_core_cc_sc7180_desc, regmap); + + pm_runtime_mark_last_busy(&pdev->dev); + pm_runtime_put_autosuspend(&pdev->dev); + + return ret; } static int lpass_hm_core_probe(struct platform_device *pdev) -- Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc.is a member of the Code Aurora Forum, hosted by the Linux Foundation.
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