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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id AF551CA0FE2 for ; Thu, 21 Aug 2025 09:39:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=vSKYxpG2l1hLbvhop/k88VTpfR3m9wwP+xtV0BRw8B8=; b=B+CYCKGiAx2BAGxf/zqk1UAYri BbTcMsJfZpGL1PrWmctevkbQnmFhlqImAVGEistxh0n4lTU2Bd+LNCc9wVxhIaDee7L7V0rlk5LqD puLzKED9i0LOSWoqq+yigvVomHUH4ZSkz5V7sIUBrYliUFfqVbt1XlhMKMDXFG3t3Mfxx5HFNjc09 NVVSnaHfwVTGwwD4eFPCdv9KDyCO8AqQvBjAw/JGylkQSKYYBj6Plo6qaYNMRn0xToD5GnaKhPyMU tXxEDiE0aDeNKBNG+il3jhUTTpfZZF5CzpLxBRoWw9AIOoBzVt1e73zl4z3RqYVH91Jywv3plc/aq ecJTi3nQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1up1lr-0000000GQIQ-2QnN; Thu, 21 Aug 2025 09:39:47 +0000 Received: from mail-m16.yeah.net ([220.197.32.17]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uozhw-0000000G6Qo-23l1 for linux-arm-kernel@lists.infradead.org; Thu, 21 Aug 2025 07:27:38 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yeah.net; s=s110527; h=Date:From:To:Subject:Message-ID:MIME-Version: Content-Type; bh=vSKYxpG2l1hLbvhop/k88VTpfR3m9wwP+xtV0BRw8B8=; b=cAnZIVwXcfoCbePnaF9lR41aRUKHK61RpFnwD8UwDIeLYSLWPFvT6OhrmTX6dK QZdvcJp6PhMfEe5NDEI8NjyqU5JQ+jF/peP0O/xTFKWsTtPmTccTMpH4vEOY4rfp 25DPz1Qs59k+A8kWUrP3ftU3bARpRy829m15pXT02xmNU= Received: from dragon (unknown []) by gzsmtp2 (Coremail) with SMTP id Ms8vCgDnnyhGyqZoY5IZAw--.37745S3; Thu, 21 Aug 2025 15:27:04 +0800 (CST) Date: Thu, 21 Aug 2025 15:27:02 +0800 From: Shawn Guo To: Dario Binacchi Cc: linux-kernel@vger.kernel.org, Peng Fan , linux-amarula@amarulasolutions.com, Wolfgang Birkner , Conor Dooley , Fabio Estevam , Krzysztof Kozlowski , Pengutronix Kernel Team , Rob Herring , Sascha Hauer , Shawn Guo , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v2] ARM: dts: imx6ulz-bsh-smm-m2: fix resume via console Message-ID: References: <20250715141322.1305512-1-dario.binacchi@amarulasolutions.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250715141322.1305512-1-dario.binacchi@amarulasolutions.com> X-CM-TRANSID: Ms8vCgDnnyhGyqZoY5IZAw--.37745S3 X-Coremail-Antispam: 1Uf129KBjvdXoW5Kw4ruFWrur47Jr45WryDKFg_yoWxGFX_ur 18Grn7X3Wjy3WxA3WIyr4UZryjgw47GrZxW3yFkw1fJFy8urZ7Ga97tr13ArW7Wr4rK347 W3WYvan0yw47JjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUb7PEDUUUUU== X-Originating-IP: [117.81.240.235] X-CM-SenderInfo: pvkd40hjxrjqh1hdxhhqhw/1tbiNQiI7WimykhiKAAA3e X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250821_002736_834337_C4EDC416 X-CRM114-Status: GOOD ( 10.37 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Jul 15, 2025 at 04:13:10PM +0200, Dario Binacchi wrote: > From: Wolfgang Birkner > > Despite the current configuration being compliant with the technical > reference manual (TRM), testing on the system showed that resuming from > suspend via UART4 (used as the console) fails unless any other UART > is also enabled. > > In our use case, UART2 is enabled to ensure reliable resume when UART4 > is used as the console. > > Signed-off-by: Wolfgang Birkner > Signed-off-by: Dario Binacchi Weird, but applied.