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=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 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 28827C83003 for ; Wed, 29 Apr 2020 08:29:02 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id EDAB22073E for ; Wed, 29 Apr 2020 08:29:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ftQqP3U8" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EDAB22073E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com 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=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject: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=2zG/uwt8vsd94QFqH5NoZx65EUsQ6CrvIr2pmbsk+9E=; b=ftQqP3U8lbIu20 pxF/+3OHxWv54DU2VkuZQfMEyPuIMNKieVAr2/mpqKO3lnlrwfLzxrCC/uDR/Kj9LnRBqW/20dUma IGdnCxpqdiEz4pH+MjzSLxyhLK4wvvWEg+vArPLnRFl0gRZ76gHWM2A0jNBbwwMribPw0dWMuZOnI 6srTUwdH5IleuMDh1uQPnPgYRC2N/YiQiO7IWbv25stln9BecrDEp1UgNcTEkqHpR0iwT5O3XHYXR YYuc800XfOlnTwGmmSr25dVBwLJO5c+mdxBYp1sMAJ7BlmIVDAG30sJ4QOKR9D1awcIczcFfVKC8b WXlvgX6S+9j1CK4IVVog==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jTi5K-0005As-1T; Wed, 29 Apr 2020 08:28:50 +0000 Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jTi5G-0004vs-Ld for linux-mtd@lists.infradead.org; Wed, 29 Apr 2020 08:28:48 +0000 Received: from localhost (unknown [IPv6:2a01:e0a:2c:6930:5cf4:84a1:2763:fe0d]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: bbrezillon) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id 8D4542A2071; Wed, 29 Apr 2020 09:28:44 +0100 (BST) Date: Wed, 29 Apr 2020 10:28:41 +0200 From: Boris Brezillon To: Thomas Petazzoni Subject: Re: [PATCH 00/17] mtd: rawnand: cafe: Convert to exec_op() (and more) Message-ID: <20200429102841.57acab4e@collabora.com> In-Reply-To: <20200429083735.55a80097@windsurf.home> References: <20200427082028.394719-1-boris.brezillon@collabora.com> <20200429083735.55a80097@windsurf.home> Organization: Collabora X-Mailer: Claws Mail 3.17.5 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200429_012846_850698_1EEF8217 X-CRM114-Status: GOOD ( 18.94 ) 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: Vignesh Raghavendra , Tudor Ambarus , Richard Weinberger , Lubomir Rintel , linux-mtd@lists.infradead.org, Miquel Raynal , David Woodhouse 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 Thomas, On Wed, 29 Apr 2020 08:37:35 +0200 Thomas Petazzoni wrote: > Hello, > > +Lubomir Rintel in Cc. > > On Mon, 27 Apr 2020 10:20:10 +0200 > Boris Brezillon wrote: > > > A bit of context to explain the motivation behind those conversions > > I've been sending for the last couple of weeks. The raw NAND subsystem > > carries a lot of history which makes any rework not only painful, but > > also subject to regressions which we only detect when someone dares to > > update its kernel on one of those ancient HW. While carrying drivers > > for old HW is not a problem per se, carrying ancient and unmaintained > > drivers that are not converted to new APIs is a maintenance burden, > > hence this massive conversion attempt I'm conducting here. > > > > So here it is, a series converting the CAFE NAND controller driver to > > exec_op(), plus a bunch of minor improvements done along the way. > > I hope I'll find someone to test those changes, but if there's no one > > still owning OLPC HW or no interest in keeping it supported in recent > > kernel versions, we should definitely consider removing the driver > > instead. > > Lubomir Rintel (in Cc) has very recently added defconfigs to Buildroot > to support the two OLPC platforms (the Intel based one and the Marvell > MMP based one). I suppose this means he has access to the hardware, so > hopefully he should be able to test these NAND driver changes. Oh, that's great news! Thanks a lot for letting me know. Lubomir, let me know if you'd be okay to test those changes. I can provide a branch if that's easier. Regards, Boris ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/