From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yijing Wang Subject: Re: [PATCH v2 00/22] Use MSI chip framework to configure MSI/MSI-X in all platforms Date: Sun, 28 Sep 2014 14:11:44 +0800 Message-ID: <5427A6A0.5040703@huawei.com> References: <1411614872-4009-1-git-send-email-wangyijing@huawei.com> <20140925074235.GN12423@ulmo> <20140925144855.GB31157@bart.dudau.co.uk> <20140925164937.GB30382@ulmo> <20140925171612.GC31157@bart.dudau.co.uk> <542505B3.7040208@huawei.com> <20140926085430.GG31106@ulmo> <20140926090537.GH31106@ulmo> <54277327.6070500@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from szxga01-in.huawei.com ([119.145.14.64]:6356 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750807AbaI1GMS (ORCPT ); Sun, 28 Sep 2014 02:12:18 -0400 In-Reply-To: <54277327.6070500@huawei.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Thierry Reding Cc: Liviu Dudau , Bjorn Helgaas , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Xinwei Hu , Wuyun , linux-arm-kernel@lists.infradead.org, Russell King , linux-arch@vger.kernel.org, arnab.basu@freescale.com, Bharat.Bhushan@freescale.com, x86@kernel.org, Arnd Bergmann , Thomas Gleixner , Konrad Rzeszutek Wilk , xen-devel@lists.xenproject.org, Joerg Roedel , iommu@lists.linux-foundation.org, linux-mips@linux-mips.org, Benjamin Herrenschmidt , linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, Sebastian Ott , Tony Luck , linux-ia64@vger.kernel.org, "David S. Miller" On 2014/9/28 10:32, Yijing Wang wrote: > On 2014/9/26 17:05, Thierry Reding wrote: >> On Fri, Sep 26, 2014 at 10:54:32AM +0200, Thierry Reding wrote: >> [...] >>> At least for Tegra it's trivial to just hook it up in tegra_pcie_scan_bus() >>> directly (patch attached). >> >> Really attached this time. >> >> Thierry >> > > It looks good to me, so I will update the arm pci hostbridge driver to assign > pci root bus the msi chip instead of current pcibios_add_bus(). But for other > platforms which only have a one msi chip, I will kept the arch_find_msi_chip() > temporarily for more comments, especially from Bjorn. Oh, sorry, I found designware and rcar use pci_scan_root_bus(), so we can not simply assign msi chip to root bus in all host drivers's scan functions. > > Thanks! > Yijing. > -- Thanks! Yijing From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from szxga01-in.huawei.com ([119.145.14.64]:6356 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750807AbaI1GMS (ORCPT ); Sun, 28 Sep 2014 02:12:18 -0400 Message-ID: <5427A6A0.5040703@huawei.com> Date: Sun, 28 Sep 2014 14:11:44 +0800 From: Yijing Wang MIME-Version: 1.0 Subject: Re: [PATCH v2 00/22] Use MSI chip framework to configure MSI/MSI-X in all platforms References: <1411614872-4009-1-git-send-email-wangyijing@huawei.com> <20140925074235.GN12423@ulmo> <20140925144855.GB31157@bart.dudau.co.uk> <20140925164937.GB30382@ulmo> <20140925171612.GC31157@bart.dudau.co.uk> <542505B3.7040208@huawei.com> <20140926085430.GG31106@ulmo> <20140926090537.GH31106@ulmo> <54277327.6070500@huawei.com> In-Reply-To: <54277327.6070500@huawei.com> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Sender: linux-arch-owner@vger.kernel.org List-ID: To: Thierry Reding Cc: Liviu Dudau , Bjorn Helgaas , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Xinwei Hu , Wuyun , linux-arm-kernel@lists.infradead.org, Russell King , linux-arch@vger.kernel.org, arnab.basu@freescale.com, Bharat.Bhushan@freescale.com, x86@kernel.org, Arnd Bergmann , Thomas Gleixner , Konrad Rzeszutek Wilk , xen-devel@lists.xenproject.org, Joerg Roedel , iommu@lists.linux-foundation.org, linux-mips@linux-mips.org, Benjamin Herrenschmidt , linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, Sebastian Ott , Tony Luck , linux-ia64@vger.kernel.org, "David S. Miller" , sparclinux@vger.kernel.org, Chris Metcalf , Ralf Baechle , Lucas Stach , David Vrabel , Sergei Shtylyov , Michael Ellerman , Thomas Petazzoni Message-ID: <20140928061144.ds0firQacufNQGFsERdsrGBH0QEWKT6S2d15Yzy7ozA@z> On 2014/9/28 10:32, Yijing Wang wrote: > On 2014/9/26 17:05, Thierry Reding wrote: >> On Fri, Sep 26, 2014 at 10:54:32AM +0200, Thierry Reding wrote: >> [...] >>> At least for Tegra it's trivial to just hook it up in tegra_pcie_scan_bus() >>> directly (patch attached). >> >> Really attached this time. >> >> Thierry >> > > It looks good to me, so I will update the arm pci hostbridge driver to assign > pci root bus the msi chip instead of current pcibios_add_bus(). But for other > platforms which only have a one msi chip, I will kept the arch_find_msi_chip() > temporarily for more comments, especially from Bjorn. Oh, sorry, I found designware and rcar use pci_scan_root_bus(), so we can not simply assign msi chip to root bus in all host drivers's scan functions. > > Thanks! > Yijing. > -- Thanks! Yijing