From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Subject: Re: [PATCH v1 15/21] Powerpc/MSI: Use MSI chip framework to configure MSI/MSI-X irq Date: Fri, 05 Sep 2014 14:47:48 +0400 Message-ID: <540994D4.6040500@cogentembedded.com> References: <1409911806-10519-1-git-send-email-wangyijing@huawei.com> <1409911806-10519-16-git-send-email-wangyijing@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail-lb0-f172.google.com ([209.85.217.172]:45394 "EHLO mail-lb0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756677AbaIEKrw (ORCPT ); Fri, 5 Sep 2014 06:47:52 -0400 Received: by mail-lb0-f172.google.com with SMTP id c11so4929275lbj.31 for ; Fri, 05 Sep 2014 03:47:51 -0700 (PDT) In-Reply-To: <1409911806-10519-16-git-send-email-wangyijing@huawei.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Yijing Wang , Bjorn Helgaas Cc: Xinwei Hu , Wuyun , linux-pci@vger.kernel.org, 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 Hello. On 9/5/2014 2:10 PM, Yijing Wang wrote: > Use MSI chip framework instead of arch MSI functions to configure > MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework. > Signed-off-by: Yijing Wang > --- > arch/powerpc/kernel/msi.c | 14 ++++++++++++-- > 1 files changed, 12 insertions(+), 2 deletions(-) > diff --git a/arch/powerpc/kernel/msi.c b/arch/powerpc/kernel/msi.c > index 71bd161..01781a4 100644 > --- a/arch/powerpc/kernel/msi.c > +++ b/arch/powerpc/kernel/msi.c [...] > @@ -27,7 +27,17 @@ int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) > return ppc_md.setup_msi_irqs(dev, nvec, type); > } > > -void arch_teardown_msi_irqs(struct pci_dev *dev) > +static void ppc_teardown_msi_irqs(struct pci_dev *dev) Shouldn't this function take IRQ # instead? > { > ppc_md.teardown_msi_irqs(dev); > } > + > +static struct msi_chip ppc_msi_chip = { > + .setup_irqs = ppc_setup_msi_irqs, > + .teardown_irqs = ppc_teardown_msi_irqs, > +}; > + > +struct msi_chip *arch_find_msi_chip(struct pci_dev *dev) > +{ > + return &ppc_msi_chip; > +} WBR, Sergei