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 X-Spam-Level: X-Spam-Status: No, score=-5.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 142ADC433DB for ; Fri, 29 Jan 2021 12:44:37 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A363864E12 for ; Fri, 29 Jan 2021 12:44:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A363864E12 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=WjVlovSs9t72rpcQfI78UsYG63DoLHWRA+2c8mPXZd0=; b=XWTZWPk4w+rD1vR2uNJ7Q97Ax yhkYE5taYzaxs9Hq0VYY4QF/Fco7zH4uI4vrY4GEijsCGFix0c5ez5kGcXbZHs7fkHi6GAHDGJ3LO Vf6qctnlH8xQN3y+wS/8cchxR2oOEughq7697Vs69xyvhFBvB3twV9HnGcLnaW/XlLAv6jlDq/29k 1e9qgsu+XRgMeQrBFsez41jC4qPVWOpODVnvvSkoIbAIMmaaLjmTZIM8BuhvfFbkBffxYR+ce13dF XOtndGyxjNQj4ogAJOwE7AlOAt/gaFRKCyCAw4PqRWFhMUGz4cS8jJn1FQggo6qg0sgsyyCEDaIU8 KFbjJ85jA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l5T7L-0005ys-RX; Fri, 29 Jan 2021 12:43:15 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l5T7J-0005yV-Fd for linux-mtd@lists.infradead.org; Fri, 29 Jan 2021 12:43:14 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id C65E364E0F; Fri, 29 Jan 2021 12:43:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1611924191; bh=wwWKq+MhqBTcFpgwdV6idWfHEU7FP5PCyLVXKZ/e/6c=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=mZHRZFdZNX/1VOww6YxCdW9/ecOQLYvR/zYYr4PzO4BblM1CCLnXL2wuS/7xTL0Rf zAGMKfth4G7M3Yl01gCPYExOfRwIy9Fx4YxSt7byijGD8Dkw/E/JiYzWWPBgN8cl9o YJcAR2ErxTuh5xPwfQ4QJVGPtPP082RXRJWqqzlCWMMzhuFzEmmGfAvV2wXzzMWdKM DPAHSdOqONkdU8xnLCk9FHGhwmKFE1eF6MlDtTezLoptYo/1yJQWhCrzBsrqPSsi+D XsExWcyowE2MDiYuDa0Dw6JsigJ2kzwnd+RENzvkaxwo5nfSKNiZmI8iOJL2+CwkdD XzpLtZ6AtsoCQ== Subject: Re: GPMI iMX6ull timeout on DMA To: Michael Nazzareno Trimarchi References: <89ae32a0-9b19-4735-90eb-4ffa22aad704@kernel.org> <17b49e7d-ff63-315f-cf12-3474f7228c6d@kernel.org> <781dd4e6-a694-c3e1-ee13-9c5c51598623@kernel.org> <53cb8db7-bcf8-ee7c-84ee-59a14a04aad9@kernel.org> <20190730103822.7576645d@xps13> <0a6afd79-d5ca-24da-a62c-11146a3522f6@kernel.org> <20190731082823.6284f5a9@collabora.com> <20190802145109.00c4a4eb@collabora.com> <20190808183651.7c0962e7@collabora.com> <694cb2ac-68e6-72b1-3d55-e405b176a17f@kernel.org> <20190809082356.0cf60555@collabora.com> <20190809093235.09d89e20@collabora.com> <20190809155934.40c43f29@collabora.com> <00b31833-69ba-42c5-57c9-37fa1f70efc5@kernel.org> <20190812093129.75888dad@collabora.com> From: Greg Ungerer Message-ID: <2e9e1f1c-ee57-425d-1791-70c66de52637@kernel.org> Date: Fri, 29 Jan 2021 22:43:06 +1000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210129_074313_677779_33D94F16 X-CRM114-Status: GOOD ( 19.93 ) X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Miquel Raynal , Sascha Hauer , Boris Brezillon , linux-mtd@lists.infradead.org, Boris Brezillon Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org Hi Michael, On 28/1/21 7:45 pm, Michael Nazzareno Trimarchi wrote: > Hi Greg > > On Tue, Aug 13, 2019 at 2:50 AM Greg Ungerer wrote: >> >> Hi Boris, >> >> On 12/8/19 5:31 pm, Boris Brezillon wrote: >>> On Mon, 12 Aug 2019 12:50:36 +1000 >> [snip] >>> Hm, CTRL1 is identical. Can you dump all regs at the beginning and at >>> the end of those funcs? >> >> Here is a more complete dump of registers. Trace points are at >> entry and exit of the respective functions in the different >> kernel versions. Register dumping code is identical for both. >> >> >> Linux version 4.16.0 (gerg@goober) (gcc version 4.8.3 (GCC)) #10 Tue Aug 13 10:24:28 AEST 2019 >> ... > > I ran an overnight reboot process on linux-4.19.y tag: v4.19.169 and > I'm not able to reproduce up to now. > > Do you have an update from your side? I haven't seen the problem for a while now. I pretty much only run modern kernels, I am currently using 5.10. So I am guessing it was resolved somewhere at some point, but I don't know exactly what change resolved it. Regards Greg >> drivers/mtd/nand/gpmi-nand/gpmi-lib.c(1073): gpmi_begin(): ENTRY >> HW_GPMI_CTRL0=0x00000000 >> HW_GPMI_CTRL1=0x01c4000c >> HW_GPMI_COMPARE=0x00000000 >> HW_GPMI_ECCCTRL=0x00000400 >> HW_GPMI_ECCCOUNT=0x00000000 >> HW_GPMI_PAYLOAD=0x00000000 >> HW_GPMI_AUXILIARY=0x00000000 >> HW_GPMI_TIMING0=0x00010203 >> HW_GPMI_TIMING1=0x00000000 >> HW_GPMI_TIMING2=0x23023336 >> HW_GPMI_DATA=0x00000000 >> HW_GPMI_STAT=0xff000005 >> HW_GPMI_DEBUG=0x00000000 >> r->clock[0]=22000000 >> nand: device found, Manufacturer ID: 0x2c, Chip ID: 0xda >> nand: Micron MT29F2G08ABAEAWP >> nand: 256 MiB, SLC, erase size: 128 KiB, page size: 2048, OOB size: 64 >> gpmi-nand 1806000.gpmi-nand: enable the asynchronous EDO mode 5 >> drivers/mtd/nand/gpmi-nand/gpmi-lib.c(1073): gpmi_begin(): ENTRY >> HW_GPMI_CTRL0=0x01800001 >> HW_GPMI_CTRL1=0x0104000c >> HW_GPMI_COMPARE=0x00000000 >> HW_GPMI_ECCCTRL=0x00000000 >> HW_GPMI_ECCCOUNT=0x00000000 >> HW_GPMI_PAYLOAD=0x00000000 >> HW_GPMI_AUXILIARY=0x00000000 >> HW_GPMI_TIMING0=0x00010203 >> HW_GPMI_TIMING1=0x05000000 >> HW_GPMI_TIMING2=0x23023336 >> HW_GPMI_DATA=0x00000000 >> HW_GPMI_STAT=0xff000005 >> HW_GPMI_DEBUG=0x00000101 >> r->clock[0]=99000000 >> drivers/mtd/nand/gpmi-nand/gpmi-lib.c(1136): gpmi_begin(): EXIT >> HW_GPMI_CTRL0=0x01800001 >> HW_GPMI_CTRL1=0x01c6800c >> HW_GPMI_COMPARE=0x00000000 >> HW_GPMI_ECCCTRL=0x00000000 >> HW_GPMI_ECCCOUNT=0x00000000 >> HW_GPMI_PAYLOAD=0x00000000 >> HW_GPMI_AUXILIARY=0x00000000 >> HW_GPMI_TIMING0=0x00010101 >> HW_GPMI_TIMING1=0x90000000 >> HW_GPMI_TIMING2=0x23023336 >> HW_GPMI_DATA=0x00000000 >> HW_GPMI_STAT=0xff000005 >> HW_GPMI_DEBUG=0x00000101 >> r->clock[0]=99000000 >> Scanning device for bad blocks >> 5 ofpart partitions found on MTD device gpmi-nand >> Creating 5 MTD partitions on "gpmi-nand": >> 0x000000000000-0x000000500000 : "u-boot" >> 0x000000500000-0x000000600000 : "u-boot-env" >> 0x000000600000-0x000000800000 : "log" >> 0x000000800000-0x000010000000 : "flash" >> 0x000000000000-0x000010000000 : "all" >> gpmi-nand 1806000.gpmi-nand: driver registered. >> ... >> >> Note that the first ENTRY dump has no matching EXIT dump. From the >> code I assume it is returning from gpmi_begin() at the >> "if (!hw.sample_delay_factor)" check. >> >> >> And for the 5.1.14 kernel: >> >> Linux version 5.1.14 (gerg@goober) (gcc version 4.8.3 (GCC)) #27 Tue Aug 13 10:20:32 AEST 2019 >> ... >> drivers/mtd/nand/raw/gpmi-nand/gpmi-lib.c(512): gpmi_nfc_apply_timings(): ENTRY >> HW_GPMI_CTRL0=0x00000000 >> HW_GPMI_CTRL1=0x01c4000c >> HW_GPMI_COMPARE=0x00000000 >> HW_GPMI_ECCCTRL=0x00000400 >> HW_GPMI_ECCCOUNT=0x00000000 >> HW_GPMI_PAYLOAD=0x00000000 >> HW_GPMI_AUXILIARY=0x00000000 >> HW_GPMI_TIMING0=0x00010203 >> HW_GPMI_TIMING1=0x00000000 >> HW_GPMI_TIMING2=0x23023336 >> HW_GPMI_DATA=0x00000000 >> HW_GPMI_STAT=0xff000005 >> HW_GPMI_DEBUG=0x00000000 >> r->clock[0]=22000000 >> drivers/mtd/nand/raw/gpmi-nand/gpmi-lib.c(536): gpmi_nfc_apply_timings(): EXIT >> HW_GPMI_CTRL0=0x00000000 >> HW_GPMI_CTRL1=0x0104000c >> HW_GPMI_COMPARE=0x00000000 >> HW_GPMI_ECCCTRL=0x00000400 >> HW_GPMI_ECCCOUNT=0x00000000 >> HW_GPMI_PAYLOAD=0x00000000 >> HW_GPMI_AUXILIARY=0x00000000 >> HW_GPMI_TIMING0=0x00020101 >> HW_GPMI_TIMING1=0x60000000 >> HW_GPMI_TIMING2=0x23023336 >> HW_GPMI_DATA=0x00000000 >> HW_GPMI_STAT=0xff000005 >> HW_GPMI_DEBUG=0x00000000 >> r->clock[0]=22000000 >> random: fast init done >> nand: device found, Manufacturer ID: 0x2c, Chip ID: 0xda >> nand: Micron MT29F2G08ABAEAWP >> nand: 256 MiB, SLC, erase size: 128 KiB, page size: 2048, OOB size: 64 >> drivers/mtd/nand/raw/gpmi-nand/gpmi-lib.c(512): gpmi_nfc_apply_timings(): ENTRY >> HW_GPMI_CTRL0=0x01800001 >> HW_GPMI_CTRL1=0x0104000c >> HW_GPMI_COMPARE=0x00000000 >> HW_GPMI_ECCCTRL=0x00000000 >> HW_GPMI_ECCCOUNT=0x00000000 >> HW_GPMI_PAYLOAD=0x00000000 >> HW_GPMI_AUXILIARY=0x00000000 >> HW_GPMI_TIMING0=0x00020101 >> HW_GPMI_TIMING1=0x60000000 >> HW_GPMI_TIMING2=0x23023336 >> HW_GPMI_DATA=0x0000003f >> HW_GPMI_STAT=0xff000005 >> HW_GPMI_DEBUG=0x00000101 >> r->clock[0]=22000000 >> drivers/mtd/nand/raw/gpmi-nand/gpmi-lib.c(536): gpmi_nfc_apply_timings(): EXIT >> HW_GPMI_CTRL0=0x01800001 >> HW_GPMI_CTRL1=0x0104000c >> HW_GPMI_COMPARE=0x00000000 >> HW_GPMI_ECCCTRL=0x00000000 >> HW_GPMI_ECCCOUNT=0x00000000 >> HW_GPMI_PAYLOAD=0x00000000 >> HW_GPMI_AUXILIARY=0x00000000 >> HW_GPMI_TIMING0=0x00020101 >> HW_GPMI_TIMING1=0xb0000000 >> HW_GPMI_TIMING2=0x23023336 >> HW_GPMI_DATA=0x0000003f >> HW_GPMI_STAT=0xff000005 >> HW_GPMI_DEBUG=0x00000101 >> r->clock[0]=22000000 >> drivers/mtd/nand/raw/gpmi-nand/gpmi-lib.c(512): gpmi_nfc_apply_timings(): ENTRY >> HW_GPMI_CTRL0=0x01800001 >> HW_GPMI_CTRL1=0x0104000c >> HW_GPMI_COMPARE=0x00000000 >> HW_GPMI_ECCCTRL=0x00000000 >> HW_GPMI_ECCCOUNT=0x00000000 >> HW_GPMI_PAYLOAD=0x00000000 >> HW_GPMI_AUXILIARY=0x00000000 >> HW_GPMI_TIMING0=0x00020101 >> HW_GPMI_TIMING1=0xb0000000 >> HW_GPMI_TIMING2=0x23023336 >> HW_GPMI_DATA=0x000000e0 >> HW_GPMI_STAT=0xff000005 >> HW_GPMI_DEBUG=0x00000000 >> r->clock[0]=22000000 >> drivers/mtd/nand/raw/gpmi-nand/gpmi-lib.c(536): gpmi_nfc_apply_timings(): EXIT >> HW_GPMI_CTRL0=0x01800001 >> HW_GPMI_CTRL1=0x01c6800c >> HW_GPMI_COMPARE=0x00000000 >> HW_GPMI_ECCCTRL=0x00000000 >> HW_GPMI_ECCCOUNT=0x00000000 >> HW_GPMI_PAYLOAD=0x00000000 >> HW_GPMI_AUXILIARY=0x00000000 >> HW_GPMI_TIMING0=0x00010101 >> HW_GPMI_TIMING1=0xe0000000 >> HW_GPMI_TIMING2=0x23023336 >> HW_GPMI_DATA=0x000000e0 >> HW_GPMI_STAT=0xff000005 >> HW_GPMI_DEBUG=0x00000000 >> r->clock[0]=99000000 >> Scanning device for bad blocks >> 5 fixed-partitions partitions found on MTD device gpmi-nand >> Creating 5 MTD partitions on "gpmi-nand": >> 0x000000000000-0x000000500000 : "u-boot" >> 0x000000500000-0x000000600000 : "u-boot-env" >> 0x000000600000-0x000000800000 : "log" >> 0x000000800000-0x000010000000 : "flash" >> 0x000000000000-0x000010000000 : "all" >> gpmi-nand 1806000.gpmi-nand: driver registered. >> ... >> >> >> Regards >> Greg >> >> > > ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/