From patchwork Fri Oct 30 21:11:12 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jake Oshins X-Patchwork-Id: 538519 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 7800B140323 for ; Sat, 31 Oct 2015 08:14:39 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=sendgrid.me header.i=@sendgrid.me header.b=ni28dZnp; dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030811AbbJ3VNO (ORCPT ); Fri, 30 Oct 2015 17:13:14 -0400 Received: from o1.f.az.sendgrid.net ([208.117.55.132]:40143 "EHLO o1.f.az.sendgrid.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932955AbbJ3VME (ORCPT ); Fri, 30 Oct 2015 17:12:04 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sendgrid.me; h=from:to:cc:subject:in-reply-to:references; s=smtpapi; bh=+NSpE0zZZDJLDli1pXnW8VE3X7A=; b=ni28dZnpO7/72y4R1qOIr7JhLfsr8 vM1RQIlmoDUJKrrA1uFrsA2XNN/8cUtWse2xbfUft4u0CrrGtC0s3FrAnhgMZnl7 FPeyPWC0JRjfVfEpvTphaaTiMERFGT0zKtCMD54Dpw82tV5Ox86xS565Kt1KNO4E trBbyecYbAW4H4= Received: by filter-397.sjc1.sendgrid.net with SMTP id filter-397.31159.5633DD216C 2015-10-30 21:12:01.91044485 +0000 UTC Received: from jakeoshinsu2.jakeoshinsu2.d1.internal.cloudapp.net (unknown [104.210.40.47]) by ismtpd0001p1las1.sendgrid.net (SG) with ESMTP id ndh_BECkQnSze2BnOhpWPw Fri, 30 Oct 2015 21:12:02.140 +0000 (UTC) From: jakeo@microsoft.com To: gregkh@linuxfoundation.org, kys@microsoft.com, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com, vkuznets@redhat.com, tglx@redhat.com, haiyangz@microsoft.com, marc.zyngier@arm.com, bhelgaas@google.com, linux-pci@vger.kernel.org Cc: Jake Oshins Subject: [PATCH v5 4/7] PCI: Add fwnode_handle to pci_sysdata Date: Fri, 30 Oct 2015 21:11:12 +0000 Message-Id: <1446239475-49480-5-git-send-email-jakeo@microsoft.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1446239475-49480-1-git-send-email-jakeo@microsoft.com> References: <1446239475-49480-1-git-send-email-jakeo@microsoft.com> X-SG-EID: lfnueJVzSjg1mfuVqqukVH7tZvRy9mfCIcBnfbfzaMO58Z2aBVkno+Q1SBZd25+4kCv1NpT8d9m5Dm 9GZ/9/kPBK1ES7Y9i1jgiPgYzo2qU/HqBqyPt9jGVPhaKmxLuQ5bsSZa6yJUoIYbTzFikvvTCrEne3 WFdm2a413KRchTM= Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org From: Jake Oshins This patch adds an fwnode_handle to struct pci_sysdata, which is used by the next patch in the series when trying to locate an IRQ domain associated with a root PCI bus. Signed-off-by: Jake Oshins --- arch/x86/include/asm/pci.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h index 4625943..10213a1 100644 --- a/arch/x86/include/asm/pci.h +++ b/arch/x86/include/asm/pci.h @@ -20,6 +20,9 @@ struct pci_sysdata { #ifdef CONFIG_X86_64 void *iommu; /* IOMMU private data */ #endif +#ifdef CONFIG_PCI_MSI_IRQ_DOMAIN + void *fwnode; /* IRQ domain for MSI assignment */ +#endif }; extern int pci_routeirq; @@ -41,6 +44,14 @@ static inline int pci_proc_domain(struct pci_bus *bus) } #endif +#ifdef CONFIG_PCI_MSI_IRQ_DOMAIN +static inline void *pci_fwnode(struct pci_bus *bus) +{ + struct pci_sysdata *sd = bus->sysdata; + return sd->fwnode; +} +#endif + /* Can be used to override the logic in pci_scan_bus for skipping already-configured bus numbers - to be used for buggy BIOSes or architectures with incomplete PCI setup by the loader */