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 7F810C48260 for ; Tue, 13 Feb 2024 11:45:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=smGnvSLU4FZsstgVEAJKbbnr0us59t/SiLK4aCxvpMY=; b=LBxFARFj8IzW68 MKbIUSPA+gWn6tgHvihxfLd+be9UE8dVJUdFMDmD3nh4cN2o7lt46dHDhqnYCdvflyL1agpmueUIB wU7FYXdT1pYoIdMZHOrm1aQ/G0Cw31D3t9U//6x1awvWvgfyf4ryv/74mzAdb0BIH+UuPVss1e/2T GKop3e8HB3OUfDstKnp3UUakvZjfgb4KUiKvyffQOlhiBy3Y6U7Jm71qy3r764Ak6URUNpoq/GEqI wfWDC3chn09dO7j4loTSrDA9SletD+M/ENSP+QJ3J+DaebLVplLQ/vedlkLk9WYpAqiLtTBpxterA od7PXPuzDnL9tRHYvAyA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rZrDa-000000094GI-4022; Tue, 13 Feb 2024 11:44:54 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rZrDY-000000094Fv-2wab for linux-arm-kernel@lists.infradead.org; Tue, 13 Feb 2024 11:44:53 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 1C2EE61386; Tue, 13 Feb 2024 11:44:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3C6CAC433F1; Tue, 13 Feb 2024 11:44:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1707824691; bh=YsA5rcnQOqQefsgkqKUHu8Tcv5mndPsFn90D+UEQJHQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=QiErncEuoyi8s1KPCXYV5phn5M8hM+j0J3fGc2+jIZyiVxzwEqvhnwjS/DFFTa+8B 6ZDRFXR5Ja9uyaf3cmL+bW3vn6YdLg04ZHDg4+4od9Cd65KDHwAf6n7IiLhdXcl6FC lDhtgbS/vDOh5OjWTQ0IswHaK7nf6LEeNiXYZI1I= Date: Tue, 13 Feb 2024 12:44:48 +0100 From: Greg Kroah-Hartman To: Francesco Dolcini Cc: Sasha Levin , stable@vger.kernel.org, Alexander Stein , Shawn Guo , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, regressions@lists.linux.dev, Max Krummenacher , Miquel Raynal Subject: Re: Regression, i.MX7 boot failure, Linux v6.1.77 Message-ID: <2024021300-traverse-anyplace-7910@gregkh> References: <20240213112146.GA5874@francesco-nb> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20240213112146.GA5874@francesco-nb> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240213_034452_805172_CAD8B3FB X-CRM114-Status: GOOD ( 16.20 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Feb 13, 2024 at 12:21:46PM +0100, Francesco Dolcini wrote: > Hello Sasha, > kernel v6.1.77 introduces a regression, with a boot failure, on i.MX7, > with commit db30f469ae8b ("ARM: dts: imx7s: Fix nand-controller #size-cells"). > > The issue is known [1][2], changing `#size-cells = <0>` is formally > correct, but do not play well with the firmware that are deployed on > those embedded devices, leading to a boot failure. > > A mitigation was implemented in the Linux kernel, > commit 84549c816dc3 ("mtd: parsers: ofpart: add workaround for #size-cells 0") > that was merged into v6.3, the firmware was also fixed, however existing > device using old firmware will not boot anymore if updating to a newer > kernel. > > I would ask you to drop such a patch from any stable patches queue and > not backport it to any older kernel. > > To fix v6.1.y I see two options: > - backport 84549c816dc3 > - revert db30f469ae8b > > What do you prefer? Should I send myself a patch? Backport would be best, that way we are in sync with newer releases. I'll go queue it up now, thanks. greg k-h _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel