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=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_2 autolearn=unavailable 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 48841C43331 for ; Sun, 10 Nov 2019 12:22:41 +0000 (UTC) Received: from whitealder.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (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 277032080F for ; Sun, 10 Nov 2019 12:22:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 277032080F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=collabora.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=driverdev-devel-bounces@linuxdriverproject.org Received: from localhost (localhost [127.0.0.1]) by whitealder.osuosl.org (Postfix) with ESMTP id CA2AC864A4; Sun, 10 Nov 2019 12:22:40 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from whitealder.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id We931iNSw5ac; Sun, 10 Nov 2019 12:22:40 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by whitealder.osuosl.org (Postfix) with ESMTP id F015A86499; Sun, 10 Nov 2019 12:22:39 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by ash.osuosl.org (Postfix) with ESMTP id 264621BF5F8 for ; Sun, 10 Nov 2019 12:22:39 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 20DC120360 for ; Sun, 10 Nov 2019 12:22:39 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id i--898fBWdjL for ; Sun, 10 Nov 2019 12:22:38 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by silver.osuosl.org (Postfix) with ESMTPS id D2577204C1 for ; Sun, 10 Nov 2019 12:22:37 +0000 (UTC) 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 AF26428A46F; Sun, 10 Nov 2019 12:22:34 +0000 (GMT) Date: Sun, 10 Nov 2019 13:22:32 +0100 From: Boris Brezillon To: Greg KH Subject: Re: [PATCH] mtd: rawnand: driver for Mediatek MT7621 SoC NAND flash controller Message-ID: <20191110132232.3815f1af@collabora.com> In-Reply-To: <20191110123919.5c998839@collabora.com> References: <20191107073521.11413-1-gerg@kernel.org> <20191107084007.GA1203521@kroah.com> <20191110123919.5c998839@collabora.com> Organization: Collabora X-Mailer: Claws Mail 3.17.4 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 X-BeenThere: driverdev-devel@linuxdriverproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Driver Project Developer List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, gerg@kernel.org, linux-mtd@lists.infradead.org, neil@brown.name, linux-mediatek@lists.infradead.org, blogic@openwrt.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" On Sun, 10 Nov 2019 12:39:19 +0100 Boris Brezillon wrote: > On Thu, 7 Nov 2019 09:40:07 +0100 > Greg KH wrote: > > > On Thu, Nov 07, 2019 at 05:35:21PM +1000, gerg@kernel.org wrote: > > > From: Greg Ungerer > > > > > > Add a driver to support the NAND flash controller of the MediaTek MT7621 > > > System-on-Chip device. (This one is the MIPS based parts from Mediatek). > > > > > > This code is a re-working of the earlier patches for this hardware that > > > have been floating around the internet for years: > > > > > > https://github.com/ReclaimYourPrivacy/cloak/blob/master/target/linux/ramips/patches-3.18/0045-mtd-add-mt7621-nand-support.patch > > > > > > This is a much cleaned up version, put in staging to start with. > > > It does still have some problems, mainly that it still uses a lot of the > > > mtd raw nand legacy support. > > > > Is that an issue? > > Well, yes that's an issue since we decided that all new drivers should > implement ->exec_op() instead of the legacy hooks. But that would be an > issue even if we were merging the driver in staging. > > > Why not just put it in the "real" part of the kernel > > then, if those apis are still in use? > > > > > The driver not only compiles, but it works well on the small range of > > > hardware platforms that it has been used on so far. I have been using > > > for quite a while now, cleaning up as I get time. > > > > > > So... I am looking for comments on the best approach forward with this. > > > At least in staging it can get some more eyeballs going over it. > > > > staging will just nit-pick it to death for coding style issues, it's not > > going to be get any major api changes/cleanups there usually. I'd > > recommend just merging this to the "real" part of the kernel now if it's > > working for you. > > I agree on that point: we should merge this driver directly in the NAND > framework after it's been reworked to implement ->exec_op() instead of s/framework/subsystem/ > the legacy hooks. > > ______________________________________________________ > Linux MTD discussion mailing list > http://lists.infradead.org/mailman/listinfo/linux-mtd/ _______________________________________________ devel mailing list devel@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel