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=-10.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 628FAC2BA83 for ; Fri, 14 Feb 2020 15:57:56 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3487B206D7 for ; Fri, 14 Feb 2020 15:57:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="WKinwjuD"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="NCyyQwEu" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3487B206D7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=5Wpd79M7Hh6LHIvbTue3otMOum2rXdhdtGeCxoBsPaE=; b=WKinwjuDAxB1bF oj7+C5ikYdLcue4I/0NGO2GrLW3862H0/4s8CR3r9J+PaYYZwYtdnco4Fx/osL58gdBStG/TEGyma TqRygePRYYA4MJ24HmJJVzzLd4VPouZLiyqoMgCYZ/tE2lHZD7QGQJdmt7zQGNfRH/IE5mDv5Cje2 51yVrCjHpfr9kYF0ydBCeWyadPIqZKaXWvFo1DyvhL3sx7V/KT9u2s2uCNGRIa8tsEBrDEQSjt5B6 dq/0mRDqLoGQ0UOUDNUjZ9+036f7IJYVaJgU/QYPpQwIhmmGrMhDOTAxeqBdvWYuMv0LWtFVtYIta BrlI9VKujDd0M+mcQ2Cw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j2dLf-0002pr-KH; Fri, 14 Feb 2020 15:57:47 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j2dGz-00066x-Ha for linux-arm-kernel@lists.infradead.org; Fri, 14 Feb 2020 15:53:00 +0000 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2B4EF24681; Fri, 14 Feb 2020 15:52:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581695577; bh=gQCl3t2EcBsDvz3br3y54JgMri+EC7RXVVMTJI5P1Wk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NCyyQwEuabI+sTmoIo3MvZTADXUTVRHP4E1m3Ijx3kVgknjMd0K2OicOLQyjUqUib 3gdJpbTTzSOMU8B5OZpxOl6tEPabde4Jal22xMIEPGHnkuCzxAIZmYXQFoxwj3Qd4z sTniRczN5VQeI67r6h2UGlLbHwNEBdR0zQfW3WzQ= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 5.5 187/542] ARM: dts: at91: Reenable UART TX pull-ups Date: Fri, 14 Feb 2020 10:42:59 -0500 Message-Id: <20200214154854.6746-187-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200214154854.6746-1-sashal@kernel.org> References: <20200214154854.6746-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200214_075258_514435_325D43DF X-CRM114-Status: GOOD ( 10.32 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , devicetree@vger.kernel.org, Alexandre Belloni , Ingo van Lil , Peter Rosin , linux-arm-kernel@lists.infradead.org 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 From: Ingo van Lil [ Upstream commit 9d39d86cd4af2b17b970d63307daad71f563d207 ] Pull-ups for SAM9 UART/USART TX lines were disabled in a previous commit. However, several chips in the SAM9 family require pull-ups to prevent the TX lines from falling (and causing an endless break condition) when the transceiver is disabled. >From the SAM9G20 datasheet, 32.5.1: "To prevent the TXD line from falling when the USART is disabled, the use of an internal pull up is mandatory.". This commit reenables the pull-ups for all chips having that sentence in their datasheets. Fixes: 5e04822f7db5 ("ARM: dts: at91: fixes uart pinctrl, set pullup on rx, clear pullup on tx") Signed-off-by: Ingo van Lil Cc: Peter Rosin Link: https://lore.kernel.org/r/20191203142147.875227-1-inguin@gmx.de Signed-off-by: Alexandre Belloni Signed-off-by: Sasha Levin --- arch/arm/boot/dts/at91sam9260.dtsi | 12 ++++++------ arch/arm/boot/dts/at91sam9261.dtsi | 6 +++--- arch/arm/boot/dts/at91sam9263.dtsi | 6 +++--- arch/arm/boot/dts/at91sam9g45.dtsi | 8 ++++---- arch/arm/boot/dts/at91sam9rl.dtsi | 8 ++++---- 5 files changed, 20 insertions(+), 20 deletions(-) diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi index dee9c0c8a0964..16c6fd3c42462 100644 --- a/arch/arm/boot/dts/at91sam9260.dtsi +++ b/arch/arm/boot/dts/at91sam9260.dtsi @@ -187,7 +187,7 @@ usart0 { pinctrl_usart0: usart0-0 { atmel,pins = - ; }; @@ -221,7 +221,7 @@ usart1 { pinctrl_usart1: usart1-0 { atmel,pins = - ; }; @@ -239,7 +239,7 @@ usart2 { pinctrl_usart2: usart2-0 { atmel,pins = - ; }; @@ -257,7 +257,7 @@ usart3 { pinctrl_usart3: usart3-0 { atmel,pins = - ; }; @@ -275,7 +275,7 @@ uart0 { pinctrl_uart0: uart0-0 { atmel,pins = - ; }; }; @@ -283,7 +283,7 @@ uart1 { pinctrl_uart1: uart1-0 { atmel,pins = - ; }; }; diff --git a/arch/arm/boot/dts/at91sam9261.dtsi b/arch/arm/boot/dts/at91sam9261.dtsi index dba025a985270..5ed3d745ac867 100644 --- a/arch/arm/boot/dts/at91sam9261.dtsi +++ b/arch/arm/boot/dts/at91sam9261.dtsi @@ -329,7 +329,7 @@ usart0 { pinctrl_usart0: usart0-0 { atmel,pins = - , + , ; }; @@ -347,7 +347,7 @@ usart1 { pinctrl_usart1: usart1-0 { atmel,pins = - , + , ; }; @@ -365,7 +365,7 @@ usart2 { pinctrl_usart2: usart2-0 { atmel,pins = - , + , ; }; diff --git a/arch/arm/boot/dts/at91sam9263.dtsi b/arch/arm/boot/dts/at91sam9263.dtsi index 99678abdda930..5c990cfae254e 100644 --- a/arch/arm/boot/dts/at91sam9263.dtsi +++ b/arch/arm/boot/dts/at91sam9263.dtsi @@ -183,7 +183,7 @@ usart0 { pinctrl_usart0: usart0-0 { atmel,pins = - ; }; @@ -201,7 +201,7 @@ usart1 { pinctrl_usart1: usart1-0 { atmel,pins = - ; }; @@ -219,7 +219,7 @@ usart2 { pinctrl_usart2: usart2-0 { atmel,pins = - ; }; diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi index 691c95ea61754..fd179097a4bfd 100644 --- a/arch/arm/boot/dts/at91sam9g45.dtsi +++ b/arch/arm/boot/dts/at91sam9g45.dtsi @@ -556,7 +556,7 @@ usart0 { pinctrl_usart0: usart0-0 { atmel,pins = - ; }; @@ -574,7 +574,7 @@ usart1 { pinctrl_usart1: usart1-0 { atmel,pins = - ; }; @@ -592,7 +592,7 @@ usart2 { pinctrl_usart2: usart2-0 { atmel,pins = - ; }; @@ -610,7 +610,7 @@ usart3 { pinctrl_usart3: usart3-0 { atmel,pins = - ; }; diff --git a/arch/arm/boot/dts/at91sam9rl.dtsi b/arch/arm/boot/dts/at91sam9rl.dtsi index 8643b71515650..ea024e4b6e095 100644 --- a/arch/arm/boot/dts/at91sam9rl.dtsi +++ b/arch/arm/boot/dts/at91sam9rl.dtsi @@ -682,7 +682,7 @@ usart0 { pinctrl_usart0: usart0-0 { atmel,pins = - , + , ; }; @@ -721,7 +721,7 @@ usart1 { pinctrl_usart1: usart1-0 { atmel,pins = - , + , ; }; @@ -744,7 +744,7 @@ usart2 { pinctrl_usart2: usart2-0 { atmel,pins = - , + , ; }; @@ -767,7 +767,7 @@ usart3 { pinctrl_usart3: usart3-0 { atmel,pins = - , + , ; }; -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel