Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756115AbaJOCcz (ORCPT ); Tue, 14 Oct 2014 22:32:55 -0400 Received: from szxga02-in.huawei.com ([119.145.14.65]:39540 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932687AbaJOCZw (ORCPT ); Tue, 14 Oct 2014 22:25:52 -0400 From: Yijing Wang To: Bjorn Helgaas CC: , , Xinwei Hu , Wuyun , , Russell King , , , , , Arnd Bergmann , Thomas Gleixner , "Konrad Rzeszutek Wilk" , , Joerg Roedel , , , Benjamin Herrenschmidt , , , Sebastian Ott , "Tony Luck" , , "David S. Miller" , , Chris Metcalf , Ralf Baechle , Lucas Stach , David Vrabel , "Sergei Shtylyov" , Michael Ellerman , Thierry Reding , "Thomas Petazzoni" , Liviu Dudau , Yijing Wang Subject: [PATCH v3 16/27] Mips/MSI: Save msi chip in pci sysdata Date: Wed, 15 Oct 2014 11:07:04 +0800 Message-ID: <1413342435-7876-17-git-send-email-wangyijing@huawei.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1413342435-7876-1-git-send-email-wangyijing@huawei.com> References: <1413342435-7876-1-git-send-email-wangyijing@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.175.100.166] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Save msi chip in pci sysdata, add arch pci_find_msi_chip() to extract out msi chip. Signed-off-by: Yijing Wang --- arch/mips/include/asm/pci.h | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-) diff --git a/arch/mips/include/asm/pci.h b/arch/mips/include/asm/pci.h index 974b0e3..287661b 100644 --- a/arch/mips/include/asm/pci.h +++ b/arch/mips/include/asm/pci.h @@ -43,6 +43,9 @@ struct pci_controller { int iommu; +#ifdef CONFIG_PCI_MSI + struct msi_chip *msi_chip; +#endif /* Optional access methods for reading/writing the bus number of the PCI controller */ int (*get_busno)(void); @@ -54,6 +57,17 @@ struct pci_controller { */ extern void register_pci_controller(struct pci_controller *hose); +#ifdef CONFIG_PCI_MSI + +static inline struct msi_chip *pci_msi_chip(struct pci_bus *bus) +{ + struct pci_controller *control = (struct pci_controller *)bus->sysdata; + + return control->msi_chip; +} + +#endif + /* * board supplied pci irq fixup routine */ -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/