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=-10.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 2AA25C47257 for ; Wed, 6 May 2020 15:33:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 10B7920575 for ; Wed, 6 May 2020 15:33:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729786AbgEFPdr (ORCPT ); Wed, 6 May 2020 11:33:47 -0400 Received: from foss.arm.com ([217.140.110.172]:39578 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729411AbgEFPdr (ORCPT ); Wed, 6 May 2020 11:33:47 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B02E4D6E; Wed, 6 May 2020 08:33:46 -0700 (PDT) Received: from e121166-lin.cambridge.arm.com (e121166-lin.cambridge.arm.com [10.1.196.255]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id CC0003F68F; Wed, 6 May 2020 08:33:45 -0700 (PDT) Date: Wed, 6 May 2020 16:33:40 +0100 From: Lorenzo Pieralisi To: Geert Uytterhoeven , Marek Vasut , Bjorn Helgaas Cc: linux-pci , Wolfram Sang , Linux-Renesas Subject: Re: [PATCH] PCI: pcie-rcar: Cache PHY init function pointer Message-ID: <20200506153340.GA2978@e121166-lin.cambridge.arm.com> References: <20200426123148.56051-1-marek.vasut@gmail.com> <20200428083231.GC12459@e121166-lin.cambridge.arm.com> <717765f1-b5be-a436-20d6-d0a95f58cbdc@gmail.com> <20200505180214.GA18468@e121166-lin.cambridge.arm.com> <20200506085736.GA30251@e121166-lin.cambridge.arm.com> <20200506091928.GA2805@red-moon.cambridge.arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org On Wed, May 06, 2020 at 12:22:13PM +0200, Geert Uytterhoeven wrote: > Hi Lorenzo, > > On Wed, May 6, 2020 at 11:19 AM Lorenzo Pieralisi > wrote: > > On Wed, May 06, 2020 at 11:02:31AM +0200, Geert Uytterhoeven wrote: > > > On Wed, May 6, 2020 at 10:57 AM Lorenzo Pieralisi > > > wrote: > > > > On Tue, May 05, 2020 at 08:35:04PM +0200, Marek Vasut wrote: > > > > > On 5/5/20 8:02 PM, Lorenzo Pieralisi wrote: > > > > > > On Fri, May 01, 2020 at 10:42:06PM +0200, Marek Vasut wrote: > > > > > >> On 4/28/20 10:32 AM, Lorenzo Pieralisi wrote: > > > > > >>> On Sun, Apr 26, 2020 at 02:31:47PM +0200, marek.vasut@gmail.com wrote: > > > > > >>>> From: Marek Vasut > > > > > >>>> > > > > > >>>> The PHY initialization function pointer does not change during the > > > > > >>>> lifetime of the driver instance, it is therefore sufficient to get > > > > > >>>> the pointer in .probe(), cache it in driver private data, and just > > > > > >>>> call the function through the cached pointer in .resume(). > > > > > >>>> > > > > > >>>> Signed-off-by: Marek Vasut > > > > > >>>> Cc: Bjorn Helgaas > > > > > >>>> Cc: Lorenzo Pieralisi > > > > > >>>> Cc: Geert Uytterhoeven > > > > > >>>> Cc: Wolfram Sang > > > > > >>>> Cc: linux-renesas-soc@vger.kernel.org > > > > > >>>> --- > > > > > >>>> NOTE: Based on git://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/pci.git > > > > > >>>> branch pci/rcar > > > > > >>>> NOTE: The driver tag is now 'pcie-rcar' to distinguish it from pci-rcar-gen2.c > > > > > >>>> --- > > > > > >>>> drivers/pci/controller/pcie-rcar.c | 10 ++++------ > > > > > >>>> 1 file changed, 4 insertions(+), 6 deletions(-) > > > > > >>> > > > > > >>> Squashed in https://patchwork.kernel.org/patch/11438665 > > > > > >> > > > > > >> Thanks > > > > > >> > > > > > >>> Do you want me to rename the $SUBJECT (and the branch name while at it) > > > > > >>> in the patches in my pci/rcar branch ("PCI: pcie-rcar: ...") to start > > > > > >>> the commit subject tag renaming from this cycle (and in the interim you > > > > > >>> send a rename for the drivers files ?) > > > > > >> > > > > > >> I don't really have a particular preference either way. I can keep > > > > > >> marking the drivers with pcie-rcar and pci-rcar tags if that helps > > > > > >> discern them. > > > > > > > > > > > > So: > > > > > > > > > > > > - "rcar" for the PCIe driver > > > > > > > > > > Wouldn't it be better to mark this rcar-pcie , so it's clear it's the > > > > > PCIe driver ? > > > > > > > > All other drivers in drivers/pci/controller are PCIe but don't require > > > > an extra tag to clarify it - that's the rationale behind "rcar". > > > > > > > > How does that sound ? > > > > > > Are there any other platforms that have two different drivers for the same > > > platform, one for PCI, and one for PCIe? > > > > I don't think so - nonetheless it's time we agreed on something and be > > done with it. Bjorn expressed his opinion on this and unless we have a > > compelling reason not to follow it IMO it'd be better to take it. > > > > I don't think using rcar-pcie is a disaster either. > > > > Let me know how you want to proceed, thanks. > > /me has just returned from a bike ride, so it's time for a bike-shed > > "PCI: rcar:" for pcie-rcar.c, "PCI: rcar-gen2:" (or "PCI: rcar2"?) for > pci-rcar-gen2.c? Fine by me, all agreed ? Lorenzo