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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by aws-us-west-2-korg-lkml-1.web.codeaurora.org (Postfix) with ESMTP id 989DBC433EF for ; Thu, 14 Jun 2018 07:38:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 59BC6208D7 for ; Thu, 14 Jun 2018 07:38:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 59BC6208D7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754876AbeFNHiu (ORCPT ); Thu, 14 Jun 2018 03:38:50 -0400 Received: from mail.bootlin.com ([62.4.15.54]:41687 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752759AbeFNHir (ORCPT ); Thu, 14 Jun 2018 03:38:47 -0400 Received: by mail.bootlin.com (Postfix, from userid 110) id CC080207FF; Thu, 14 Jun 2018 09:38:45 +0200 (CEST) Received: from bbrezillon (AAubervilliers-681-1-37-30.w90-88.abo.wanadoo.fr [90.88.156.30]) by mail.bootlin.com (Postfix) with ESMTPSA id 7276020719; Thu, 14 Jun 2018 09:38:35 +0200 (CEST) Date: Thu, 14 Jun 2018 09:38:35 +0200 From: Boris Brezillon To: Masahiro Yamada Cc: Richard Weinberger , linux-mtd , Philipp Rosenberger , Rob Herring , DTML , Miquel Raynal , Linux Kernel Mailing List , Marek Vasut , Brian Norris , David Woodhouse , Rob Herring , Mark Rutland Subject: Re: [PATCH v2 0/3] mtd: rawnand: denali: add new clocks and improve setup_data_interface Message-ID: <20180614093835.5c3bf426@bbrezillon> In-Reply-To: References: <1528953067-24324-1-git-send-email-yamada.masahiro@socionext.com> <6557713.S7AzxIg9TS@blindfold> X-Mailer: Claws Mail 3.15.0-dirty (GTK+ 2.24.31; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 14 Jun 2018 16:29:59 +0900 Masahiro Yamada wrote: > Hi Richard, > > 2018-06-14 16:25 GMT+09:00 Richard Weinberger : > > Masahiro, > > > > Am Donnerstag, 14. Juni 2018, 07:11:04 CEST schrieb Masahiro Yamada: > >> > >> The ->setup_data_interface() hook needs to know the clock frequency. > >> In fact, this IP needs three clocks, bus "which clock?" is really > >> confusing. (It is not described in the DT-binding at all.) > >> > >> This series adds more clocks. In the new binding, three clocks > >> are required: core clock, bus interface clock, ECC engine clock. > >> > >> This series also takes care of the backward compatibility by > >> providing hardcoded values in case the new clocks are missing. > >> So, existing DT should work. > >> > >> > >> Changes in v2: > >> - Split patches into sensible chunks > >> > >> Masahiro Yamada (3): > >> mtd: rawnand: denali_dt: use dev as a shorthand of &pdev->dev > >> mtd: rawnand: denali_dt: add more clocks based on IP datasheet > >> mtd: rawnand: denali: optimize timing parameters for data interface > > > > This still means that we need to feed at least 2/3 and 3/3 into -stable to > > unbreak the driver. > > > 3/3 is not mandatory. > > You can only back-port 1/3 and 2/3. Well, patch 1 is not a fix, can we move it after patch 2 so that only patch 2 is flagged with the Fixes+Cc-stable tags? Thanks, Boris