From patchwork Sat Nov 18 12:39:44 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: 13460016 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="QnWM9V1J" Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 41DD710CF; Sat, 18 Nov 2023 04:40:46 -0800 (PST) Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3AIC99Zu016888; Sat, 18 Nov 2023 12:40:42 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=SBpOQrbp7XlDO8T1tC3fI7fAzNuLm6Fu1U8IgPaTQ4w=; b=QnWM9V1JPb5YWCq2JxdpVbeoSYUjcnQ+n7fjzCP6rK5SVWNBY1V4fHyUp+1ymJipTdlE iGZvU6Pxga1+7j1btSYZ2+f0yM3Vd1e1viV28S+oT+lxEPf6aGMacuv60kkbw0Mu7Utz p3hcAzMx4YmzFYzO5r5U+eHa904tgYc1w6l+kFkX5+LYwxJIWB6AktAeDP5rWpRUKdrx LEMp805Hqo12VgelzNf0hPPRmHCzGBnvmDZ2DK8u5+YUwd36Ay+cCVqCENhDuvADGkfb zs0mkydMQc5UBjwKnb/cY3DaTKKnwI5fFGNCfE2tMGeKP6odTZVwEDDwKbcziJbieR/7 uQ== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3uem9e8jy7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 18 Nov 2023 12:40:42 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 3AICeeH1005596 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 18 Nov 2023 12:40:41 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; Sat, 18 Nov 2023 04:40:36 -0800 From: Satya Priya Kakitapalli To: Andy Gross , Konrad Dybcio , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley CC: , , , , Bjorn Andersson , Bryan O'Donoghue , "Satya Priya Kakitapalli" Subject: [PATCH V2 4/4] clk: qcom: videocc-sm8150: Add runtime PM support Date: Sat, 18 Nov 2023 18:09:44 +0530 Message-ID: <20231118123944.2202630-5-quic_skakitap@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231118123944.2202630-1-quic_skakitap@quicinc.com> References: <20231118123944.2202630-1-quic_skakitap@quicinc.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) 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-ORIG-GUID: qs6mAs21Uh2vJWaz5MJOdMNxICpF2ME8 X-Proofpoint-GUID: qs6mAs21Uh2vJWaz5MJOdMNxICpF2ME8 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-18_11,2023-11-17_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 mlxscore=0 clxscore=1015 priorityscore=1501 impostorscore=0 mlxlogscore=999 lowpriorityscore=0 bulkscore=0 phishscore=0 suspectscore=0 adultscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311180094 Add runtime PM support to ensure the supply rails are enabled when necessary. Signed-off-by: Satya Priya Kakitapalli --- Changes since v1: - None. 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..b57df5ff96c4 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(&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(&pdev->dev); + + return ret; } static struct platform_driver video_cc_sm8150_driver = {