Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752889AbaJ0Mlv (ORCPT ); Mon, 27 Oct 2014 08:41:51 -0400 Received: from szxga02-in.huawei.com ([119.145.14.65]:28073 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751836AbaJ0Mlm (ORCPT ); Mon, 27 Oct 2014 08:41:42 -0400 From: Yijing Wang To: Bjorn Helgaas CC: , , Xinwei Hu , Wuyun , , Russell King , , 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" , Yijing Wang 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> X-Mailer: git-send-email 1.7.1 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 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 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 -- 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/