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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-658b4256a35sm4087136a12.1.2026.01.30.04.11.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 30 Jan 2026 04:11:34 -0800 (PST) Message-ID: Date: Fri, 30 Jan 2026 13:11:31 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 04/12] soc: qcom: geni-se: Add resources activation/deactivation helpers To: Praveen Talari , Andi Shyti , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Mukesh Kumar Savaliya , Viken Dadhaniya , Bjorn Andersson , Konrad Dybcio , linux-arm-msm@vger.kernel.org, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, bryan.odonoghue@linaro.org, dmitry.baryshkov@oss.qualcomm.com, bjorn.andersson@oss.qualcomm.com Cc: prasad.sodagudi@oss.qualcomm.com, quic_vtanuku@quicinc.com, aniket.randive@oss.qualcomm.com, chandana.chiluveru@oss.qualcomm.com References: <20260112104722.591521-1-praveen.talari@oss.qualcomm.com> <20260112104722.591521-5-praveen.talari@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260112104722.591521-5-praveen.talari@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: T2yeZN7SEQcBN9Wfi1RzbW1n_M7OKMsU X-Proofpoint-ORIG-GUID: T2yeZN7SEQcBN9Wfi1RzbW1n_M7OKMsU X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTMwMDA5OSBTYWx0ZWRfX2VPtMAptYjPL LGSYg5Htm/7lCqqqubrzw+qxc7OFqKgMsWIKfcXTRfANHbRHGM92zVpuBKsWLB+a5uwYdUizJqP XEqwaSiHGaN/qx1WEsZc5bbAQ3vf5vJrICnviM7Qt6qLnQU8ZvMJ4yEGlrOh89TU506AMvAuwFn boBXN6XJswm82hbHeSM28HdLdBO99sZjj5UB/QjQfX5/O1PNXXO3/2mLwvruHPu9jw2qvVp/zzn y59W+/mx2nkF8F/eSOYtpcKudfdGZLXybTwijtm0J4i1IBwL72srsYgZ3BkFDNVe+aZ9wj904HL 9mijqE0yzxCXgxqFNBf0OlcEP6cAW13RhjkJ5Ja5pDvYAIx2osCAJqL/sdJPlop1Xoz3QFM983j W92G8aj4bx78Qp4kb9/7S5cKyntdRyfrWuenjV7btV7k11bp4RTYTRumLtvXsU7RlZKZy9qyv4y bx6A1ahaEUkFJdV9Eag== X-Authority-Analysis: v=2.4 cv=G5cR0tk5 c=1 sm=1 tr=0 ts=697c9ff8 cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=fehRvCu74lOKQ2FmR6kA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-01-30_01,2026-01-29_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 malwarescore=0 clxscore=1015 lowpriorityscore=0 adultscore=0 priorityscore=1501 spamscore=0 phishscore=0 bulkscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2601300099 On 1/12/26 11:47 AM, Praveen Talari wrote: > The GENI SE protocol drivers (I2C, SPI, UART) implement similar resource > activation/deactivation sequences independently, leading to code > duplication. > > Introduce geni_se_resources_activate()/geni_se_resources_deactivate() to > power on/off resources.The activate function enables ICC, clocks, and TLMM > whereas the deactivate function disables resources in reverse order > including OPP rate reset, clocks, ICC and TLMM. > > Signed-off-by: Praveen Talari > --- [...] > +int geni_se_resources_deactivate(struct geni_se *se) > +{ > + int ret; > + > + if (has_acpi_companion(se->dev)) > + return 0; > + > + if (se->has_opp) > + dev_pm_opp_set_rate(se->dev, 0); > + > + ret = pinctrl_pm_select_sleep_state(se->dev); > + if (ret) > + return ret; > + > + geni_se_clks_off(se); > + > + if (se->core_clk) > + clk_disable_unprepare(se->core_clk); All clk APIs already perform a null-check internally, perhaps this call could be merged into geni_se_clks_off()? Konrad