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[24.22.235.96]) by smtp.gmail.com with ESMTPSA id y16sm32038938pfo.133.2019.05.29.00.18.53 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 29 May 2019 00:18:54 -0700 (PDT) From: Andrey Smirnov To: linux-arm-kernel@lists.infradead.org Cc: Andrey Smirnov , Chris Healy , Shawn Guo , Fabio Estevam , Lucas Stach , linux-kernel@vger.kernel.org Subject: [PATCH 3/3] ARM: dts: imx6: rdu2: Limit USBH1 to Full Speed Date: Wed, 29 May 2019 00:18:43 -0700 Message-Id: <20190529071843.24767-3-andrew.smirnov@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190529071843.24767-1-andrew.smirnov@gmail.com> References: <20190529071843.24767-1-andrew.smirnov@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Cabling used to connect devices to USBH1 on RDU2 does not meet USB spec cable quality and cable length requirements to operate at High Speed, so limit the port to Full Speed only. Reported-by: Chris Healy Reviewed-by: Chris Healy Signed-off-by: Andrey Smirnov Cc: Shawn Guo Cc: Fabio Estevam Cc: Lucas Stach Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi index 04d4d4d7e43c..e1d8478884f9 100644 --- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi +++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi @@ -805,6 +805,7 @@ &usbh1 { vbus-supply = <®_5p0v_main>; disable-over-current; + maximum-speed = "full-speed"; status = "okay"; }; -- 2.21.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 62D3BC04AB3 for ; 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[24.22.235.96]) by smtp.gmail.com with ESMTPSA id y16sm32038938pfo.133.2019.05.29.00.18.53 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 29 May 2019 00:18:54 -0700 (PDT) From: Andrey Smirnov To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 3/3] ARM: dts: imx6: rdu2: Limit USBH1 to Full Speed Date: Wed, 29 May 2019 00:18:43 -0700 Message-Id: <20190529071843.24767-3-andrew.smirnov@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190529071843.24767-1-andrew.smirnov@gmail.com> References: <20190529071843.24767-1-andrew.smirnov@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190529_001857_202133_DE6D1369 X-CRM114-Status: GOOD ( 11.29 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrey Smirnov , Shawn Guo , linux-kernel@vger.kernel.org, Fabio Estevam , Chris Healy , Lucas Stach Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Cabling used to connect devices to USBH1 on RDU2 does not meet USB spec cable quality and cable length requirements to operate at High Speed, so limit the port to Full Speed only. Reported-by: Chris Healy Reviewed-by: Chris Healy Signed-off-by: Andrey Smirnov Cc: Shawn Guo Cc: Fabio Estevam Cc: Lucas Stach Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi index 04d4d4d7e43c..e1d8478884f9 100644 --- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi +++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi @@ -805,6 +805,7 @@ &usbh1 { vbus-supply = <®_5p0v_main>; disable-over-current; + maximum-speed = "full-speed"; status = "okay"; }; -- 2.21.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel