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[66.90.144.107]) by smtp.gmail.com with ESMTPSA id s4-20020a056808208400b003b83bb8dbcesm896556oiw.30.2023.11.28.09.51.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Nov 2023 09:51:02 -0800 (PST) Received: (nullmailer pid 3558571 invoked by uid 1000); Tue, 28 Nov 2023 17:51:01 -0000 Date: Tue, 28 Nov 2023 11:51:01 -0600 From: Rob Herring To: Stephan Gerhold Cc: Andy Gross , devicetree@vger.kernel.org, linux-i2c@vger.kernel.org, Bjorn Andersson , Andi Shyti , linux-kernel@vger.kernel.org, Konrad Dybcio , Rob Herring , Wolfram Sang , Conor Dooley , linux-arm-msm@vger.kernel.org, Krzysztof Kozlowski Subject: Re: [PATCH 2/3] dt-bindings: i2c: qup: Document interconnects Message-ID: <170119386108.3558514.18152654833892721560.robh@kernel.org> References: <20231128-i2c-qup-dvfs-v1-0-59a0e3039111@kernkonzept.com> <20231128-i2c-qup-dvfs-v1-2-59a0e3039111@kernkonzept.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231128-i2c-qup-dvfs-v1-2-59a0e3039111@kernkonzept.com> X-Spam-Status: No, score=-1.0 required=5.0 tests=MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email 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 (agentk.vger.email [0.0.0.0]); Tue, 28 Nov 2023 09:51:24 -0800 (PST) On Tue, 28 Nov 2023 10:48:36 +0100, Stephan Gerhold wrote: > When the I2C QUP controller is used together with a DMA engine it needs > to vote for the interconnect path to the DRAM. Otherwise it may be > unable to access the memory quickly enough. > > Signed-off-by: Stephan Gerhold > --- > Documentation/devicetree/bindings/i2c/qcom,i2c-qup.yaml | 5 +++++ > 1 file changed, 5 insertions(+) > Reviewed-by: Rob Herring