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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 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-Originating-IP: [10.80.80.8] 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 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Fri, 01 Dec 2023 01:51:25 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1784072703919638067 X-GMAIL-MSGID: 1784072703919638067 Add runtime PM support to ensure the supply rails are enabled when necessary. Signed-off-by: Satya Priya Kakitapalli Reviewed-by: Konrad Dybcio --- 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 = {