From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ch1outboundpool.messaging.microsoft.com (ch1ehsobe005.messaging.microsoft.com [216.32.181.185]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (Client CN "mail.global.frontbridge.com", Issuer "Microsoft Secure Server Authority" (not verified)) by ozlabs.org (Postfix) with ESMTPS id 9148BB7061 for ; Tue, 12 Jun 2012 01:43:33 +1000 (EST) Message-ID: <4FD61215.8030608@freescale.com> Date: Mon, 11 Jun 2012 10:43:17 -0500 From: Scott Wood MIME-Version: 1.0 To: Jia Hongtao-B38951 Subject: Re: [PATCH 0/6] Description for PCI patches using platform driver References: <1339148527-16911-1-git-send-email-B38951@freescale.com> <6A3DF150A5B70D4F9B66A25E3F7C888D03D71F38@039-SN2MPN1-022.039d.mgd.msft.net> <412C8208B4A0464FA894C5F0C278CD5D01A0921B@039-SN1MPN1-002.039d.mgd.msft.net> In-Reply-To: <412C8208B4A0464FA894C5F0C278CD5D01A0921B@039-SN1MPN1-002.039d.mgd.msft.net> Content-Type: text/plain; charset="ISO-8859-1" Cc: Wood Scott-B07421 , Li Yang-R58472 , Bhushan Bharat-R65777 , "linuxppc-dev@lists.ozlabs.org" List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 06/10/2012 09:33 PM, Jia Hongtao-B38951 wrote: >> -----Original Message----- >> From: Bhushan Bharat-R65777 >> Sent: Friday, June 08, 2012 6:47 PM >> To: Jia Hongtao-B38951; linuxppc-dev@lists.ozlabs.org; >> galak@kernel.crashing.org >> Cc: Li Yang-R58472; benh@kernel.crashing.org; Wood Scott-B07421 >> Subject: RE: [PATCH 0/6] Description for PCI patches using platform >> driver >> >> >>> -----Original Message----- >>> From: Jia Hongtao-B38951 >>> Sent: Friday, June 08, 2012 3:12 PM >>> To: linuxppc-dev@lists.ozlabs.org; galak@kernel.crashing.org >>> Cc: Li Yang-R58472; benh@kernel.crashing.org; Wood Scott-B07421; >> Bhushan Bharat- >>> R65777; Jia Hongtao-B38951 >>> Subject: [PATCH 0/6] Description for PCI patches using platform driver >>> >>> This series of patches are to unify pci initialization code and add PM >> support >>> for all 85xx/86xx powerpc boards. But two side effects are introduced >> by this >>> mechanism which listed below: >>> >>> 1. of_platform_bus_probe() will be called twice but in some cases >> duplication >>> warning occured. We fix this in [PATCH 5/6]. >>> >>> 2. Edac driver failed to register pci nodes as platform devices. We fix >> this >>> in [PATCH 6/6]. >> >> With these patches will not the SWIOTLB will not be initialized even if >> PCI/PCIe demanded? >> >> Thanks >> -Bharat >> > > These patches still have the swiotlb init problem if "ppc_swiotlb_enable" is > only demanded by PCI/PCIe. One of the purposes of sending out these patches > is to let us start a discussion for this problem in upstream. When sending out a patchset like that, label it as [RFC PATCH] (request for comments), and mention all known problems to be resolved. -Scott