From patchwork Fri Dec 1 09:50:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Satya Priya Kakitapalli X-Patchwork-Id: 749869 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="OfX8D6Ol" Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 892CA170D; Fri, 1 Dec 2023 01:51:07 -0800 (PST) Received: from pps.filterd (m0279871.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3B19W1Q0015381; Fri, 1 Dec 2023 09:50:54 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : date : subject : mime-version : content-type : content-transfer-encoding : message-id : references : in-reply-to : to : cc; s=qcppdkim1; bh=WFLYfX+LyYJ6QVe4Q1/+gTF/6c882WUnjs7t2bRQoBk=; b=OfX8D6OlKOpwmTpcchUNd82qxQ0eJ1oSfVluSj4xNKcwXuFuA1ogZYm5eTA6b9Y3Ojgc dDXxiQJqU5w+Hn8O6HGF9JDs9hjYv9NTSQQ4MJt53mSWE3VR3vPttlKop4nT3QYej9XJ ya9Iybh7VWIx5dcvgh3s8MV+Gb2nIMXeitgoufUkIJhN8bjajwFB4FWKwYAQaccjHkis +tljn8BWphOx9GelBTJDf4uaqKfsKlozhZ9WvxYfKAeluT17RhT2nV2PgPc0aVTeZflb O8yhGp3pzA0rYYzTHshqqEadxrPzKRgb9htIGQ/j+qIqGaGOuvVjIP/XlDxgkGfNknoc HQ== Received: from nalasppmta02.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3upw12tbvs-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 01 Dec 2023 09:50:54 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 3B19orfZ006804 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 1 Dec 2023 09:50:53 GMT Received: from hu-skakitap-hyd.qualcomm.com (10.80.80.8) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Fri, 1 Dec 2023 01:50:48 -0800 From: Satya Priya Kakitapalli Date: Fri, 1 Dec 2023 15:20:27 +0530 Subject: [PATCH v3 4/4] clk: qcom: videocc-sm8150: Add runtime PM support Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <20231201-videocc-8150-v3-4-56bec3a5e443@quicinc.com> References: <20231201-videocc-8150-v3-0-56bec3a5e443@quicinc.com> In-Reply-To: <20231201-videocc-8150-v3-0-56bec3a5e443@quicinc.com> To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jonathan Marek CC: Bryan O'Donoghue , , , , , "Satya Priya Kakitapalli" X-Mailer: b4 0.12.4 X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: syiUyzuHoWTiqdwhGtVfh99d6hDaAp-V X-Proofpoint-ORIG-GUID: syiUyzuHoWTiqdwhGtVfh99d6hDaAp-V X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-01_07,2023-11-30_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 bulkscore=0 malwarescore=0 suspectscore=0 mlxlogscore=999 phishscore=0 priorityscore=1501 spamscore=0 impostorscore=0 adultscore=0 lowpriorityscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2312010065 Add runtime PM support to ensure the supply rails are enabled when necessary. Signed-off-by: Satya Priya Kakitapalli --- drivers/clk/qcom/videocc-sm8150.c | 20 ++++++++++++++++++-- 1 file 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 #include #include +#include #include #include @@ -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 = {