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=-0.7 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 6CE13C43331 for ; Sun, 10 Nov 2019 18:19:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5041720818 for ; Sun, 10 Nov 2019 18:19:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727041AbfKJSTA (ORCPT ); Sun, 10 Nov 2019 13:19:00 -0500 Received: from 195-159-176-226.customer.powertech.no ([195.159.176.226]:47920 "EHLO blaine.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726684AbfKJSTA (ORCPT ); Sun, 10 Nov 2019 13:19:00 -0500 Received: from list by blaine.gmane.org with local (Exim 4.89) (envelope-from ) id 1iTrnX-0002aN-O6 for linux-kernel@vger.kernel.org; Sun, 10 Nov 2019 19:18:51 +0100 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: "Andrey Jr. Melnikov" Subject: Re: [PATCH] mtd: rawnand: driver for Mediatek MT7621 SoC NAND flash controller Date: Sun, 10 Nov 2019 20:37:45 +0300 Message-ID: <7gul9g-je5.ln1@banana.localnet> References: <20191107073521.11413-1-gerg@kernel.org> <20191107092053.Horde.i3MVcW9RqZDOQBMADZX9fuc@www.vdorst.com> <20191110123531.5a27206a@collabora.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit User-Agent: tin/2.2.1-20140504 ("Tober an Righ") (UNIX) (Linux/4.3.3-bananian (armv7l)) Cc: driverdev-devel@linuxdriverproject.org, linux-mediatek@lists.infradead.org, linux-mtd@lists.infradead.org Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In gmane.linux.drivers.mtd Boris Brezillon wrote: > +Richard and Miquel > On Thu, 07 Nov 2019 09:20:53 +0000 > René van Dorst wrote: > > Quoting gerg@kernel.org: > > > > > From: Greg Ungerer [..skipp..] > > +CC DENG Qingfang, Chuanhong Guo, Weijie Gao to the list. > > > > Hi Greg, > > > > Thanks for posting this driver. > > > > But I would like to mention that the openwrt community is currently > > working on a > > new version which is based a newer version of the MediaTek vendor driver. > > That version is currently targeted for the openwrt 4.19 kernel. > > See full pull request [1] and NAND driver patch [2] > > > > It would be a shame if duplicate work has been done. > Sorry, but if there's duplicate effort that's kinda your (OpenWRT folks) > fault: since when OpenWRT is the central point for kernel drivers? > Correct me if I'm wrong, but I don't remember seeing this driver posted > to the MTD ML. Plus, the driver you're pointing to still implements the > legacy hooks and is based on 4.19, and it has been decided that all new > NAND controller drivers should implement the new ->exec_op() hook > instead. I'm already sent to Greg Ungerer 5.3 variant of this patch. but it: - PIO only (old driver from 3.4.x kernel have "DMA") - strange SLOW (4.19 on same hardware is faster) you may grab it from http://lc.vrtpro.ru/lede/5.3-new-mtk7621-nand-driver.patch