Received: by 2002:a6b:500f:0:0:0:0:0 with SMTP id e15csp3196968iob; Fri, 6 May 2022 22:14:20 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxsTrL2/1FzzjlMTMmA3xMh2br2BuR8nC5Eppr+CS2DHG6H0BIweCKPvGxQhBenkTlzxI9N X-Received: by 2002:a17:906:1c12:b0:6f3:9eed:e0 with SMTP id k18-20020a1709061c1200b006f39eed00e0mr6203009ejg.656.1651900460217; Fri, 06 May 2022 22:14:20 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1651900460; cv=none; d=google.com; s=arc-20160816; b=OXdxzso/r5nuKLc3QbAmb/0PruRtkl+bw10N6VKbFJ6jCuWbTqh3yETbZQjlBmk/PF 2roGQibVHAf5nqzgLCwh3/WfrdAwC/KpPyqGkfFRvmeKjZBgcGvh6mYkqh9gAzv0AHUw kfmU8Fuys7jOzXskVC06D8E8fY7e5i4j8egOGtVhapiJFL1K06tZQHrGHV9RLA+qyDqA a6fYBv1kKJQJPf16iI0CvFiPCTtr5e4ya/xcJ+bbnvOzBBxQaoOqpfpBNhocrkOVK5GZ AN2RNl6kWq4zHbQnPrYeKvrONN2Oee+dH0iCMrp2zKMOgkCXrufWhYZXphsi8O4GsCLX sZBg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=OlINXRE2Gv0v5ryOVwWu+hE7QrvJr0l0fR6jjvsmI9g=; b=cYkvo70yA072Q5yOBtjNCuLuoMcy+1kKLW3ox1aksT0QVMS91RpQsMJ01BKrAIHvQf IKxW1Fb+swbYaQKGGn/pllpHAKrWRBXpQVzzM/OM4Ok+xxfvMrue9N6J+G70tMpObff7 mQThLymAHOv6XiAsfLj/JpiKMN8AP2Fq+SV9R8zAMzhFAJKxEu6TvqgufXfngUPxR41W wdBAFMJNY1s/YmyPEn2xQCzYXbHq3jxkVPaD0o3QRHDz/kssKHSMuP6oapQ/xCE5XQNn niYx1+oVFeuh1SIIsGCvDzqtCYgtxqq1fzxRkNVCCt7qsQw7UDVzxHye0emwtgzPY1ZB 4pzQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=aj0fUUhy; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id p18-20020a1709061b5200b006df76385c62si6320394ejg.258.2022.05.06.22.13.55; Fri, 06 May 2022 22:14:20 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=aj0fUUhy; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1359252AbiEDRxP (ORCPT + 99 others); Wed, 4 May 2022 13:53:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56954 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1358072AbiEDRPi (ORCPT ); Wed, 4 May 2022 13:15:38 -0400 Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 58E285640A; Wed, 4 May 2022 09:59:20 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id 2E1D2CE28B0; Wed, 4 May 2022 16:58:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5DF40C385A4; Wed, 4 May 2022 16:58:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1651683521; bh=hFzdxaibjjuBchOtAixxvVDfgsr7vHrSRkpGGqYPVW8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aj0fUUhyJbtioaBysFbWzIpnL06RdGOEzCubfOJJoDYtjfCePOLgc4KkpZgThYoZK BooTsnuxl2TeRU5+sugMG7S3EKOyWNaJUgL9la6OAsBHZ1A+2qXqW4NlHYn/C+34UB a55NMUYnTY1+hZwXMcmkgGGfLf7OOzF0EPCUhq3k= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Eugen Hristev , Tudor Ambarus , Nicolas Ferre Subject: [PATCH 5.17 196/225] ARM: dts: at91: sama7g5ek: enable pull-up on flexcom3 console lines Date: Wed, 4 May 2022 18:47:14 +0200 Message-Id: <20220504153127.688262187@linuxfoundation.org> X-Mailer: git-send-email 2.36.0 In-Reply-To: <20220504153110.096069935@linuxfoundation.org> References: <20220504153110.096069935@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-7.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Eugen Hristev commit 3f7ce6d7091765ed6c67c5d78aa364b9d17e3aab upstream. Flexcom3 is used as board console serial. There are no pull-ups on these lines on the board. This means that if a cable is not connected (that has pull-ups included), stray characters could appear on the console as the floating pins voltage levels are interpreted as incoming characters. To avoid this problem, enable the internal pull-ups on these lines. Fixes: 7540629e2fc7 ("ARM: dts: at91: add sama7g5 SoC DT and sama7g5-ek") Cc: stable@vger.kernel.org # v5.15+ Signed-off-by: Eugen Hristev Reviewed-by: Tudor Ambarus Signed-off-by: Nicolas Ferre Link: https://lore.kernel.org/r/20220307113827.2419331-1-eugen.hristev@microchip.com Signed-off-by: Greg Kroah-Hartman --- arch/arm/boot/dts/at91-sama7g5ek.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/arm/boot/dts/at91-sama7g5ek.dts +++ b/arch/arm/boot/dts/at91-sama7g5ek.dts @@ -465,7 +465,7 @@ pinctrl_flx3_default: flx3_default { pinmux = , ; - bias-disable; + bias-pull-up; }; pinctrl_flx4_default: flx4_default {