From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from tx2outboundpool.messaging.microsoft.com (tx2ehsobe001.messaging.microsoft.com [65.55.88.11]) (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 B7AC62C0084 for ; Sat, 4 Aug 2012 02:04:09 +1000 (EST) Message-ID: <501BF66C.3070107@freescale.com> Date: Fri, 3 Aug 2012 11:03:56 -0500 From: Scott Wood MIME-Version: 1.0 To: Jia Hongtao-B38951 Subject: Re: [PATCH V4 3/3] powerpc/fsl-pci: Unify pci/pcie initialization code References: <1343907741-20589-1-git-send-email-B38951@freescale.com> <1343907741-20589-4-git-send-email-B38951@freescale.com> <412C8208B4A0464FA894C5F0C278CD5D01A35A2F@039-SN1MPN1-002.039d.mgd.msft.net> In-Reply-To: <412C8208B4A0464FA894C5F0C278CD5D01A35A2F@039-SN1MPN1-002.039d.mgd.msft.net> Content-Type: text/plain; charset="UTF-8" Cc: Wood Scott-B07421 , "linuxppc-dev@lists.ozlabs.org" , Li Yang-R58472 List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 08/02/2012 10:39 PM, Jia Hongtao-B38951 wrote: > > >> -----Original Message----- >> From: Kumar Gala [mailto:galak@kernel.crashing.org] >> Sent: Thursday, August 02, 2012 8:24 PM >> To: Jia Hongtao-B38951 >> Cc: linuxppc-dev@lists.ozlabs.org; Wood Scott-B07421; Li Yang-R58472 >> Subject: Re: [PATCH V4 3/3] powerpc/fsl-pci: Unify pci/pcie >> initialization code >> >> You need to convert all boards to use fsl_pci_init before this patch. >> Otherwise we'll end up with PCI getting initialized twice on boards. >> >> - k > > If we covert all boards with platform driver in this patch PCI will > be initialized only once without converting all boards to use > fsl_pci_init first. Then we'd have to pick apart core changes from board changes when reviewing. > If we convert all boards to use fsl_pci_init before this patch and > convert them to use platform driver again after this patch. Then > between this patch and next pci will be initialized twice too. Why? That one patch should both create the platform driver and remove the init from fsl_pci_init() -- except things like primary bus detection which has to happen globally. -Scott