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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75F2AC6FA92 for ; Tue, 27 Sep 2022 10:41:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231324AbiI0Kk6 (ORCPT ); Tue, 27 Sep 2022 06:40:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40644 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231500AbiI0Kkr (ORCPT ); Tue, 27 Sep 2022 06:40:47 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1166192585; Tue, 27 Sep 2022 03:40:46 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 42D0261765; Tue, 27 Sep 2022 10:40:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 00533C433C1; Tue, 27 Sep 2022 10:40:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1664275245; bh=DA4fSOa6GRctG/cz6WPvoD1hPM15TyILiZ0edmgdXBE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=GH2U78y/mpeStLQelepkQSPwkIumC5OU4regHqfZ0qggtQDJAFEFIU5kWazfBL4Wj BmYTA/xGPCvK62LHkFMajL4fk9ZN9dmySTCfhW+pZ3OiHSv4Q29Rsc7ClSgd5iLd6e xmvij6CMrrntkVH/xYuOs0xdgMQzRXigFIECJgDIOReu/iZGGZI1ji/HI9Lcw01tpF yCWQN4lwK5pKQu9mzJwPYvou/FMO4U8MiEniXYO16qNALBOs2/ubMjZaDJWjUO6+9V Oc9lQt4HUSaBWjOxYSweRitzkozSZMKswkg5aYzqnhSiAQBNZU1cTCOLImt0HZcAEn 0DgbQ27azZrcw== Date: Tue, 27 Sep 2022 12:40:38 +0200 From: Lorenzo Pieralisi To: Hongxing Zhu Cc: Bjorn Helgaas , Ahmad Fatoum , "l.stach@pengutronix.de" , "bhelgaas@google.com" , "lorenzo.pieralisi@arm.com" , "vkoul@kernel.org" , Marcel Ziswiler , "kishon@ti.com" , "linux-pci@vger.kernel.org" , "linux-kernel@vger.kernel.org" , dl-linux-imx , "kernel@pengutronix.de" , "linux-phy@lists.infradead.org" , "linux-arm-kernel@lists.infradead.org" Subject: Re: [PATCH v1 0/2] Fix the wrong order of phy callbacks Message-ID: References: <20220830150534.GA97821@bhelgaas> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 31, 2022 at 01:37:02AM +0000, Hongxing Zhu wrote: > > -----Original Message----- > > From: Bjorn Helgaas > > Sent: 2022年8月30日 23:06 > > To: Hongxing Zhu > > Cc: Ahmad Fatoum ; l.stach@pengutronix.de; > > bhelgaas@google.com; lorenzo.pieralisi@arm.com; vkoul@kernel.org; Marcel > > Ziswiler ; kishon@ti.com; > > linux-pci@vger.kernel.org; linux-kernel@vger.kernel.org; dl-linux-imx > > ; kernel@pengutronix.de; linux-phy@lists.infradead.org; > > linux-arm-kernel@lists.infradead.org > > Subject: Re: [PATCH v1 0/2] Fix the wrong order of phy callbacks > > > > On Tue, Aug 30, 2022 at 07:50:55AM +0000, Hongxing Zhu wrote: > > > > -----Original Message----- > > > > From: Ahmad Fatoum > > > > Sent: 2022年8月30日 15:16 > > > > To: Hongxing Zhu ; l.stach@pengutronix.de; > > > > bhelgaas@google.com; lorenzo.pieralisi@arm.com; vkoul@kernel.org; > > > > Marcel Ziswiler ; kishon@ti.com > > > > Cc: linux-pci@vger.kernel.org; linux-kernel@vger.kernel.org; > > > > dl-linux-imx ; kernel@pengutronix.de; > > > > linux-phy@lists.infradead.org; linux-arm-kernel@lists.infradead.org > > > > Subject: Re: [PATCH v1 0/2] Fix the wrong order of phy callbacks > > > > The above quoting style makes it harder than necessary to follow conversation. > > See hints at: > > > > > > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fen.wiki > > pedia.org%2Fwiki%2FPosting_style%23Interleaved_style&data=05%7C01 > > %7Chongxing.zhu%40nxp.com%7C70f38214c8f94c5932b408da8a991996%7C > > 686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C637974687433589209 > > %7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLC > > JBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=ceZmDd > > sNeC9nU6qmt2qXR03fQn33vY%2FqvBIYzeWW7mk%3D&reserved=0 > > > > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpeople. > > kernel.org%2Ftglx%2Fnotes-about-netiquette&data=05%7C01%7Chongxi > > ng.zhu%40nxp.com%7C70f38214c8f94c5932b408da8a991996%7C686ea1d3b > > c2b4c6fa92cd99c5c301635%7C0%7C0%7C637974687433589209%7CUnkno > > wn%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1ha > > WwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=PkhpGGf7FcvsQTjc0 > > hUMpr9Q4JVKeFoLR4foA6zt6jg%3D&reserved=0 > > > > The ideal thing would be something like this, where there's a single line for > > each sender: > > > > On Tue, Aug 30, 2022 at 07:50:55AM +0000, Hongxing Zhu wrote: > > > On Tue, Aug 30, 2022, at 03:16PM, Ahmad Fatoum wrote: > > > > On 30.08.22 05:47, Hongxing Zhu wrote: > > > > > Do you mean to squash this fix to the preview series? > > > > > I'm afraid that it's not easy to do that. > > > > > Because there are a lot of pci-imx6 code changes after > > > > > commit: 1aa97b002258 ("phy: freescale: pcie: Initialize the imx8 > > > > > pcie standalone phy driver"). > > > > > > > > The way I understand it, if a bisect ends up between your two > > > > patches, i.MX8M PCIe will be broken, whereas it worked before. I > > > > thus wonder if we shouldn't instead squash this series here into a > > > > single patch. > > > > > > Yes, it's a possible case when do the bisect. > > > Since these changes are belong to different git repo. > > > > I don't understand the point about different git repos. Patch 1/2 touches > > drivers/pci/controller/dwc/pci-imx6.c, patch 2/2 touches > > drivers/phy/freescale/phy-fsl-imx8m-pcie.c. They're in different directories, > > of course, but are in the same Linux kernel source repo. > > > > They're maintained by different people, but we can easily deal with that by > > getting an ack from one and merging via the other. > > > > > It will bring maintain difficulties if these two patches are squashed > > > into a single one. > > > It's difficult to make a choice. > > > > What maintenance difficulty do you see here? I think it looks > > *easier* if these are squashed -- that would avoid the possibility of backporting > > one without the other, which would certainly be a problem. > > > > If a bisect lands after patch 1/2 but before 2/2, it looks like i.MX8M will break > > unnecessarily. > > > > I think Ahmad is right that patches 1/2 and 2/2 should be squashed into a > > single patch to avoid this bisection hole. > Hi Bjorn: > Thanks for your comments. > My descriptions are not accurate enough. These two files are maintained by > different people, I'm afraid to bring troubles to the maintainers if > I squash these two patch into a single one before. > Now, I understood the situation. > I'm glad to squash them to avoid the bisetion hole. Are you sending an updated patch ? Thanks, Lorenzo 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 836D4C54EE9 for ; Tue, 27 Sep 2022 10:41:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc: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=aspMrtz6y19Hg1fqQ0wBntUUxZC0uIPgl1iC4DvV+ZE=; b=JpGcwa3Gj1yphL 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(Postfix) with ESMTPSA id 00533C433C1; Tue, 27 Sep 2022 10:40:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1664275245; bh=DA4fSOa6GRctG/cz6WPvoD1hPM15TyILiZ0edmgdXBE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=GH2U78y/mpeStLQelepkQSPwkIumC5OU4regHqfZ0qggtQDJAFEFIU5kWazfBL4Wj BmYTA/xGPCvK62LHkFMajL4fk9ZN9dmySTCfhW+pZ3OiHSv4Q29Rsc7ClSgd5iLd6e xmvij6CMrrntkVH/xYuOs0xdgMQzRXigFIECJgDIOReu/iZGGZI1ji/HI9Lcw01tpF yCWQN4lwK5pKQu9mzJwPYvou/FMO4U8MiEniXYO16qNALBOs2/ubMjZaDJWjUO6+9V Oc9lQt4HUSaBWjOxYSweRitzkozSZMKswkg5aYzqnhSiAQBNZU1cTCOLImt0HZcAEn 0DgbQ27azZrcw== Date: Tue, 27 Sep 2022 12:40:38 +0200 From: Lorenzo Pieralisi To: Hongxing Zhu Cc: Bjorn Helgaas , Ahmad Fatoum , "l.stach@pengutronix.de" , "bhelgaas@google.com" , "lorenzo.pieralisi@arm.com" , "vkoul@kernel.org" , Marcel Ziswiler , "kishon@ti.com" , "linux-pci@vger.kernel.org" , "linux-kernel@vger.kernel.org" , dl-linux-imx , "kernel@pengutronix.de" , "linux-phy@lists.infradead.org" , "linux-arm-kernel@lists.infradead.org" Subject: Re: [PATCH v1 0/2] Fix the wrong order of phy callbacks Message-ID: References: <20220830150534.GA97821@bhelgaas> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220927_034047_007271_D7EE88EE X-CRM114-Status: GOOD ( 38.56 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org T24gV2VkLCBBdWcgMzEsIDIwMjIgYXQgMDE6Mzc6MDJBTSArMDAwMCwgSG9uZ3hpbmcgWmh1IHdy b3RlOgo+ID4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0KPiA+IEZyb206IEJqb3JuIEhlbGdh 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yCWQN4lwK5pKQu9mzJwPYvou/FMO4U8MiEniXYO16qNALBOs2/ubMjZaDJWjUO6+9V Oc9lQt4HUSaBWjOxYSweRitzkozSZMKswkg5aYzqnhSiAQBNZU1cTCOLImt0HZcAEn 0DgbQ27azZrcw== Date: Tue, 27 Sep 2022 12:40:38 +0200 From: Lorenzo Pieralisi To: Hongxing Zhu Cc: Bjorn Helgaas , Ahmad Fatoum , "l.stach@pengutronix.de" , "bhelgaas@google.com" , "lorenzo.pieralisi@arm.com" , "vkoul@kernel.org" , Marcel Ziswiler , "kishon@ti.com" , "linux-pci@vger.kernel.org" , "linux-kernel@vger.kernel.org" , dl-linux-imx , "kernel@pengutronix.de" , "linux-phy@lists.infradead.org" , "linux-arm-kernel@lists.infradead.org" Subject: Re: [PATCH v1 0/2] Fix the wrong order of phy callbacks Message-ID: References: <20220830150534.GA97821@bhelgaas> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220927_034047_007271_D7EE88EE X-CRM114-Status: GOOD ( 38.56 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 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