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Tue, 21 Oct 2025 02:29:25 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFOGC7PHugaE2XtwN/5ogJH3Nu6q4RR8mM10kZpgisPKy4YenMfCVuiNGzBa4/+043w5e9f1w== X-Received: by 2002:a17:902:ce0e:b0:292:324e:24bc with SMTP id d9443c01a7336-292324e26damr175701785ad.16.1761038964961; Tue, 21 Oct 2025 02:29:24 -0700 (PDT) Received: from [10.217.217.147] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29246ebcde4sm104829805ad.5.2025.10.21.02.29.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 21 Oct 2025 02:29:24 -0700 (PDT) Message-ID: Date: Tue, 21 Oct 2025 14:59:21 +0530 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] clk: qcom: gcc-x1e80100: Enable runtime PM To: Val Packett , Bjorn Andersson , Michael Turquette , Stephen Boyd Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org References: <20251012230822.16825-1-val@packett.cool> Content-Language: en-US From: Taniya Das In-Reply-To: <20251012230822.16825-1-val@packett.cool> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDE4MDAwMCBTYWx0ZWRfX1agu6N8vQLUR /Z5rzpuea8+ciT7pXPq4C/PcUJUlS+Ii4LapiEpCcKfi4WKN6h0ddoztcoBt72EgIw8xvQUpLZQ p7RquSG/cAuLFmIUCdyzZjeEgb8XP9B1qgY/ZTzrcVVEl52Xh0DjLfBOKs8w1GLCG04WaRY1yaF DvnChvnSSK/IkPXt2bkE2OVePEncVgoRuwOn0im+VNf+1TMZhtzzzOlNw9ZbAys8IhxwQ04hc6j hONuv2sE/31VN3mRnlsE1UozYZPskc7Ic6rM5/lxP2UjiafEnMnGpMoJEmG4oEuM9fcf8VNRL00 TwB4Fk6p4W3z0R0q8vR6qYizpN1GmDb41n98M76XTcQPVcgoaO5bCWi766vVi9dghEh4xfXtQxa 0RAbPgTmu05voeb8oPidCNkFNhxv8g== X-Proofpoint-GUID: u4WCLF918m8iV85cE69fWl-AMo1di1Hu X-Authority-Analysis: v=2.4 cv=Up1u9uwB c=1 sm=1 tr=0 ts=68f75277 cx=c_pps a=MTSHoo12Qbhz2p7MsH1ifg==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=x6icFKpwvdMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Ol272ZaqoCEH_NYozqoA:9 a=QEXdDO2ut3YA:10 a=GvdueXVYPmCkWapjIL-Q:22 X-Proofpoint-ORIG-GUID: u4WCLF918m8iV85cE69fWl-AMo1di1Hu X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-20_07,2025-10-13_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 adultscore=0 suspectscore=0 malwarescore=0 clxscore=1015 impostorscore=0 bulkscore=0 priorityscore=1501 spamscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510020000 definitions=main-2510180000 On 10/13/2025 4:36 AM, Val Packett wrote: > Enable the main clock controller driver to participate in runtime > power management. > > Signed-off-by: Val Packett > --- > Seems like this would be one of the prerequisites for actually reaching > deeper power states.. I've been running with this patch on a Dell > Latitude 7455 for quite a while, did not see any harm for sure. > --- > drivers/clk/qcom/gcc-x1e80100.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/clk/qcom/gcc-x1e80100.c b/drivers/clk/qcom/gcc-x1e80100.c > index 301fc9fc32d8..96bb604c6378 100644 > --- a/drivers/clk/qcom/gcc-x1e80100.c > +++ b/drivers/clk/qcom/gcc-x1e80100.c > @@ -6721,6 +6721,7 @@ static const struct qcom_cc_desc gcc_x1e80100_desc = { > .num_resets = ARRAY_SIZE(gcc_x1e80100_resets), > .gdscs = gcc_x1e80100_gdscs, > .num_gdscs = ARRAY_SIZE(gcc_x1e80100_gdscs), > + .use_rpm = true, This is not required to be set for the global clock controller as 'CX' is the rail powering this clock controller. > }; > > static const struct of_device_id gcc_x1e80100_match_table[] = { -- Thanks, Taniya Das