From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [119.145.14.65]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 989001A1787 for ; Mon, 27 Oct 2014 23:44:18 +1100 (AEDT) From: Yijing Wang To: Bjorn Helgaas Subject: [PATCH 06/16] Mips/MSI: Save MSI controller in pci sysdata Date: Mon, 27 Oct 2014 21:22:12 +0800 Message-ID: <1414416142-31239-7-git-send-email-wangyijing@huawei.com> In-Reply-To: <1414416142-31239-1-git-send-email-wangyijing@huawei.com> References: <1414416142-31239-1-git-send-email-wangyijing@huawei.com> MIME-Version: 1.0 Content-Type: text/plain Cc: linux-mips@linux-mips.org, linux-ia64@vger.kernel.org, linux-pci@vger.kernel.org, Xinwei Hu , Yijing Wang , Thierry Reding , sparclinux@vger.kernel.org, linux-s390@vger.kernel.org, Russell King , Joerg Roedel , x86@kernel.org, Sebastian Ott , xen-devel@lists.xenproject.org, Konrad Rzeszutek Wilk , Chris Metcalf , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Thomas Petazzoni , Tony Luck , Sergei Shtylyov , linux-kernel@vger.kernel.org, Ralf Baechle , iommu@lists.linux-foundation.org, David Vrabel , Wuyun , linuxppc-dev@lists.ozlabs.org, "David S. Miller" , Lucas Stach List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Save MSI controller in pci sysdata, add arch pcibios_msi_controller() to extract out MSI controller. Signed-off-by: Yijing Wang --- arch/mips/include/asm/pci.h | 3 +++ arch/mips/pci/pci.c | 9 +++++++++ 2 files changed, 12 insertions(+), 0 deletions(-) diff --git a/arch/mips/include/asm/pci.h b/arch/mips/include/asm/pci.h index 974b0e3..d7cd850 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_controller *msi_ctrl; +#endif /* Optional access methods for reading/writing the bus number of the PCI controller */ int (*get_busno)(void); diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c index 1bf60b1..7917cba 100644 --- a/arch/mips/pci/pci.c +++ b/arch/mips/pci/pci.c @@ -36,6 +36,15 @@ unsigned long PCIBIOS_MIN_MEM; static int pci_initialized; +#ifdef CONFIG_PCI_MSI +struct msi_controller *pcibios_msi_controller(struct pci_bus *bus) +{ + struct pci_controller *ctrl = bus->sysdata; + + return ctrl->msi_ctrl; +} +#endif + /* * We need to avoid collisions with `mirrored' VGA ports * and other strange ISA hardware, so we always want the -- 1.7.1