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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b9c2c28d97fsm23326766b.20.2026.04.01.03.19.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 01 Apr 2026 03:19:22 -0700 (PDT) Message-ID: Date: Wed, 1 Apr 2026 12:19:19 +0200 Precedence: bulk X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 3/4] soc: qcom: geni-se: Keep pinctrl active for multi-owner controllers To: Mukesh Kumar Savaliya , viken.dadhaniya@oss.qualcomm.com, andi.shyti@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, vkoul@kernel.org, Frank.Li@kernel.org, andersson@kernel.org, konradybcio@kernel.org, dmitry.baryshkov@oss.qualcomm.com, linmq006@gmail.com, quic_jseerapu@quicinc.com, agross@kernel.org, linux-arm-msm@vger.kernel.org, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org Cc: krzysztof.kozlowski@oss.qualcomm.com, bartosz.golaszewski@oss.qualcomm.com, bjorn.andersson@oss.qualcomm.com References: <20260331114742.2896317-1-mukesh.savaliya@oss.qualcomm.com> <20260331114742.2896317-4-mukesh.savaliya@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260331114742.2896317-4-mukesh.savaliya@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAxMDA5MyBTYWx0ZWRfXw4N1X8zrLh0x 6AvIUkU2cz6snO7uUYHzSMtCv38jVxdzKj6Lxlz6/cpPJuzk8uewFL2fIV3Tj0DWrsPyCcvFcTN ApfqtECW5zgrQJ6Vg2es58KpG33CjD4jmnxD8wDHpi9TCtyPVRMeH/TGy6U5AS3aOIiA094wKyY UrFs9/tc+wu7diFxa3lkxGKpHHxK9RnejVsf3FQhvNW7qt69WILW3KYV4JgVYeFP6iCd3mmwuKz PcprxJdWoy/ZGBBSEc2AftsA57+SwUbV4QEOe8Sm2vu5RRi218UrTQhXOPa/QRIm8kr4H12vPcO aUou13jduvwn/EyKlMiRhwuGzHvGtbaghV5RO8MJPeILgJdVRqkFlZ3hVP3i3gAv3ZxEMU8nbLf Z0yBMc2quK/TfMTpZq3EOeN/4d8kGHaawitSAuciF9ocdkuKtt/YqcltnJF7D5xBtTSoHq1pDkc wHDbhdr0rWeOwAP8brA== X-Authority-Analysis: v=2.4 cv=KNlXzVFo c=1 sm=1 tr=0 ts=69ccf12c cx=c_pps a=UgVkIMxJMSkC9lv97toC5g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=EUspDBNiAAAA:8 a=z3Ex9-aFqVcHxkoEKGUA:9 a=QEXdDO2ut3YA:10 a=1HOtulTD9v-eNWfpl4qZ:22 X-Proofpoint-ORIG-GUID: qiuKjRvi3r28m32G3y8lBks7lcyRknXc X-Proofpoint-GUID: qiuKjRvi3r28m32G3y8lBks7lcyRknXc X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-01_03,2026-04-01_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 lowpriorityscore=0 priorityscore=1501 adultscore=0 malwarescore=0 suspectscore=0 clxscore=1015 phishscore=0 bulkscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604010093 On 3/31/26 1:47 PM, Mukesh Kumar Savaliya wrote: > On platforms where a GENI Serial Engine is shared with another system > processor, selecting the "sleep" pinctrl state can disrupt ongoing > transfers initiated by the other processor. > > Teach geni_se_resources_off() to skip selecting the pinctrl sleep state > when the Serial Engine is marked as shared, while still allowing the > rest of the resource shutdown sequence to proceed. > > This is required for multi-owner configurations (described via DeviceTree > with qcom,qup-multi-owner on the protocol controller node). > > Signed-off-by: Mukesh Kumar Savaliya > --- [...] > + * @multi_owner: True if SE is shared between multiprocessors. 'between multiple owners'? Reviewed-by: Konrad Dybcio Konrad