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 A7000C28D13 for ; Mon, 22 Aug 2022 20:28:03 +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:Cc:To:Subject:Message-ID:Date:From: MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=lsjMHG9I9ijcpONpk3uSWTXEBz0/PHLRA5dSc3fll9s=; b=qC4wbuiTRiYZv4 VCg2z6GmXxBMkQ+RIYb9GSdjKFnGnZ4luFdBM1d+yTFGmvKMt8vwh6+GmAaANI2PcGsJgY0/EWXfG QkDlKKWltSZ+Dd9vEIFF9Hum0pVAyHoBHEByYfGYS8C0bH+QSfybLeUYu4doESxTm69qNnnUqTQ8X E2yYTxrz8Gl3I4ZVg+0KTrKEpn36uAuPG6iBdnN5Uzwy0ZTDnHMyfiEYw8OMk8XpPo0iJjdVmMVRR CHSFOvKw8Pqkby3kEYF82nm5p1A1LPqQudZY3mgfzH5+3t3pgXmRf0WNAjIH6AEIWiDv1mL1ZI9/P ZoNzK968LICLpQKmG3qQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oQE1S-00EaI0-Jk; Mon, 22 Aug 2022 20:27:46 +0000 Received: from mail-pj1-x1034.google.com ([2607:f8b0:4864:20::1034]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oQDeA-00ELjQ-KT for linux-mtd@lists.infradead.org; Mon, 22 Aug 2022 20:03:46 +0000 Received: by mail-pj1-x1034.google.com with SMTP id m10-20020a17090a730a00b001fa986fd8eeso15091929pjk.0 for ; Mon, 22 Aug 2022 13:03:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=cc:to:subject:message-id:date:from:mime-version:from:to:cc; bh=tgSw3wJhs3JlL6iZVDZiRmBXgKDn7wQxak83vuMJDvs=; b=Nd/YxqpiswK28/HE8BctQpJU/tjxDJbTe6RmWlbuOmAIYMTWGuChuyCpL53p95UKtu whriA1VM8bpR2IAviUsmmJkGmMfa2J8DgFEroIoF+LafosuVn/q4U6q8KQjZT98Xn7dp /LPIgMZRsclmjjl2dqpfEHVeMQ5D/Y0kuEsshBdtPBJmJtSh0MyTBMy718rLxrc2Be+k pYQXToeFpf5mOa4mH5El8xdkVdbCcSoGJAoziE1n9x/eGHZhFCW+XBjsIyxWhhEMCjXq HzYkhdT6TCAzmaidz5EFZqgiRmznTbu43KHJIvt5tVO/KMwKT2oeylrnxzqBBt5JBVup lXGw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:mime-version:x-gm-message-state :from:to:cc; bh=tgSw3wJhs3JlL6iZVDZiRmBXgKDn7wQxak83vuMJDvs=; b=aNmJkJzJgKcMuMMrglOGv+GOiQBujlJdp1wiZfIRDp78UgxDJ5bDO+qFK/bomvrsJv N9VAoJ/TbaOXw8tTBKsdsjJmlHCA7ilLStMuKT9Ji0dYDadgJzn8Wl77ddgyHynRl9EX OhNF7iVEwDYVCK5KdIOnazPbvFxGjXKJd9MRSg0FT0/IOO4CdJFeeT31NpWawccInAF+ bvJsl5SRkfgCA7MsU8t1B4U3WeGCrcZFZAXp4aPGQBG2xc9WY7yFfm52ZycAhtJ2/LMV INaW8NP+oTGjwxbSvyTavftxBl37jHIcsHdmuwZTy1BUITmffCnkw/PG1GQEM8P8EvIP iyRg== X-Gm-Message-State: ACgBeo15an7tDiB2ZMIrWgmGBLrv769Z+3NEUn/gnKUCYDda0J6dkzUZ +sjjqLEIzYeUiegCuhB8bxsdKuauFEEqD5MJJtk= X-Google-Smtp-Source: AA6agR5QaJYpCmEYuWqVw/qkI3SKW44eotlmByoEutHHPkuyiWtOvYqSe6soJnopn3NelB/gsgVvJGyrHwUg5qtx/LI= X-Received: by 2002:a17:90b:17ce:b0:1fb:3b43:f6f8 with SMTP id me14-20020a17090b17ce00b001fb3b43f6f8mr38819pjb.76.1661198619913; Mon, 22 Aug 2022 13:03:39 -0700 (PDT) MIME-Version: 1.0 From: Fabio Estevam Date: Mon, 22 Aug 2022 17:03:27 -0300 Message-ID: Subject: gpmi-nand: Kernel hang on i.MX6SX To: Han Xu Cc: Miquel Raynal , linux-mtd , NXP Linux Team , Abel Vesa X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220822_130342_719206_1FF2D3C8 X-CRM114-Status: UNSURE ( 5.96 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org Hi Han Xu, I was working on a custom i.MX6SX-based board running mainline kernel, and I faced a kernel hang while probing the GPMI NAND driver. Applying your workaround from the NXP kernel avoids the hang: https://source.codeaurora.org/external/imx/linux-imx/commit/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c?h=lf-5.15.y&id=d03eb99c393f8732f70a1d7d29a3b9c42cccbe48 What would be the correct fix for this that could be upstreamed? Thanks, Fabio Estevam ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/