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Wed, 22 Apr 2026 23:38:26 -0700 (PDT) X-Received: by 2002:a05:6a20:258c:b0:3a2:f75f:73ef with SMTP id adf61e73a8af0-3a2f75f7de6mr9430713637.37.1776926306134; Wed, 22 Apr 2026 23:38:26 -0700 (PDT) Received: from [10.217.219.207] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c7976f0811fsm14309121a12.0.2026.04.22.23.38.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 22 Apr 2026 23:38:25 -0700 (PDT) Message-ID: <8b2c1131-c05e-4c6d-bb80-55b812b0d132@oss.qualcomm.com> Date: Thu, 23 Apr 2026 12:08:18 +0530 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: Konrad Dybcio , 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: Mukesh Savaliya In-Reply-To: Content-Type: text/plain; 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On 4/1/2026 3:49 PM, Konrad Dybcio wrote: > 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'? > yes, will update for next patch along with keeping below RB tag. > Reviewed-by: Konrad Dybcio > > Konrad >