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[24.155.109.49]) by smtp.gmail.com with ESMTPSA id i130sm2724994oif.49.2021.05.10.09.16.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 May 2021 09:16:47 -0700 (PDT) Received: (nullmailer pid 222668 invoked by uid 1000); Mon, 10 May 2021 16:16:46 -0000 Date: Mon, 10 May 2021 11:16:46 -0500 From: Rob Herring To: Lucas Stach Cc: Fabio Estevam , Pengutronix Kernel Team , linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, Rob Herring , Adrian Hunter , linux-arm-kernel@lists.infradead.org, Ulf Hansson Subject: Re: [PATCH 1/2] dt-bindings: mmc: add no-mmc-hs400 flag Message-ID: <20210510161646.GA222624@robh.at.kernel.org> References: <20210508205658.91105-1-dev@lynxeye.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210508205658.91105-1-dev@lynxeye.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210510_091649_222429_F08DCC37 X-CRM114-Status: GOOD ( 14.99 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, 08 May 2021 22:56:57 +0200, Lucas Stach wrote: > HS400 requires a data strobe line in addition to the other MMC signal > lines, so if a board design neglects to wire up this signal, HS400 mode > is no available, even if both the controller and the eMMC are claiming > to support this mode. Add a DT flag to allow boards to disable the > HS400 support in this case. > > Signed-off-by: Lucas Stach > --- > Documentation/devicetree/bindings/mmc/mmc-controller.yaml | 5 +++++ > 1 file changed, 5 insertions(+) > Acked-by: Rob Herring _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel