From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7B73A1C1AAA; Tue, 12 Aug 2025 19:07:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755025621; cv=none; b=trgWuH6CE5b20S8uz2cyodjeJK2awz4G7M84KPOOsNfIbjdXDI4VYNbEa0cLXvkztiK8FuWvF342lFWbI7fq1oBsyI9+5+Y7scighOILvywKBISLRB8Fo58JoiJ0bz3OHNLim1XbcYYEtlTLnfqALvTYgIQ1c6Tonspp+SBzW0M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755025621; c=relaxed/simple; bh=Cq7Ig1pZUZPdU61J2/K+ULtjmu0AIl3GtEq7hK6P/bg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=L0hR/R9MJBCtHpvL0l9nIV8SGmjQmdd3B0uP4xXJoc4YcLnDOVGCq8prkK+0P89oKxdM9YYmy1JMajIPD0nwEvQ89CMM0/aNB3l9jRnaGRZfyOzQ5dgS4GDFopWJ+/PTmPJ7IZa1nyi0TISFaH8ux6acNVMtUjZpXE0lY4JQ2R8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=ZBsO4iYk; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="ZBsO4iYk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DBCAAC4CEF0; Tue, 12 Aug 2025 19:07:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1755025621; bh=Cq7Ig1pZUZPdU61J2/K+ULtjmu0AIl3GtEq7hK6P/bg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZBsO4iYkrS6JM9kOI3TvVKC/9Zaeu8M8ll6BNlx75yXQlamj8ptjZ0m6NvUKMTjQ6 hFwU79+yFLd6aZVsVgjZm/mTF6asq+kFvWQU1SqsOKUsb7LUeX3vWh+uPSVoWwFznj ZHterm5IRWPd2tg15zpLbxyVc1EGuHdGmZToNVNs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Annette Kobou , Frieder Schrempf , Shawn Guo , Sasha Levin Subject: [PATCH 6.15 078/480] ARM: dts: imx6ul-kontron-bl-common: Fix RTS polarity for RS485 interface Date: Tue, 12 Aug 2025 19:44:46 +0200 Message-ID: <20250812174400.670524916@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250812174357.281828096@linuxfoundation.org> References: <20250812174357.281828096@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Annette Kobou [ Upstream commit 47ef5256124fb939d8157b13ca048c902435cf23 ] The polarity of the DE signal of the transceiver is active-high for sending. Therefore rs485-rts-active-low is wrong and needs to be removed to make RS485 transmissions work. Signed-off-by: Annette Kobou Signed-off-by: Frieder Schrempf Fixes: 1ea4b76cdfde ("ARM: dts: imx6ul-kontron-n6310: Add Kontron i.MX6UL N6310 SoM and boards") Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- arch/arm/boot/dts/nxp/imx/imx6ul-kontron-bl-common.dtsi | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/arm/boot/dts/nxp/imx/imx6ul-kontron-bl-common.dtsi b/arch/arm/boot/dts/nxp/imx/imx6ul-kontron-bl-common.dtsi index 29d2f86d5e34..f4c45e964daf 100644 --- a/arch/arm/boot/dts/nxp/imx/imx6ul-kontron-bl-common.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx6ul-kontron-bl-common.dtsi @@ -168,7 +168,6 @@ &uart2 { pinctrl-0 = <&pinctrl_uart2>; linux,rs485-enabled-at-boot-time; rs485-rx-during-tx; - rs485-rts-active-low; uart-has-rtscts; status = "okay"; }; -- 2.39.5