From patchwork Mon Jul 20 12:01:12 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yijing Wang X-Patchwork-Id: 6826681 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 65DE09F358 for ; Mon, 20 Jul 2015 12:09:32 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6A25320629 for ; Mon, 20 Jul 2015 12:09:31 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8882320626 for ; Mon, 20 Jul 2015 12:09:30 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZH9ql-0006oj-NN; Mon, 20 Jul 2015 12:07:15 +0000 Received: from szxga02-in.huawei.com ([119.145.14.65]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZH9qX-0006cr-Ok for linux-arm-kernel@lists.infradead.org; Mon, 20 Jul 2015 12:07:03 +0000 Received: from 172.24.1.49 (EHLO szxeml432-hub.china.huawei.com) ([172.24.1.49]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id COZ21646; Mon, 20 Jul 2015 20:05:29 +0800 (CST) Received: from localhost.localdomain (10.175.100.166) by szxeml432-hub.china.huawei.com (10.82.67.209) with Microsoft SMTP Server id 14.3.158.1; Mon, 20 Jul 2015 20:05:19 +0800 From: Yijing Wang To: Bjorn Helgaas Subject: [PATCH part3 v12 04/10] PCI: Introduce pci_host_assign_domain_nr() to assign domain Date: Mon, 20 Jul 2015 20:01:12 +0800 Message-ID: <1437393678-4077-5-git-send-email-wangyijing@huawei.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1437393678-4077-1-git-send-email-wangyijing@huawei.com> References: <1437393678-4077-1-git-send-email-wangyijing@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.100.166] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150720_050702_169260_97E81B1B X-CRM114-Status: GOOD ( 15.41 ) X-Spam-Score: -5.4 (-----) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-mips@linux-mips.org, linux-ia64@vger.kernel.org, linux-pci@vger.kernel.org, Yijing Wang , Guan Xuetao , linux-s390@vger.kernel.org, linux-am33-list@redhat.com, Russell King , x86@kernel.org, Geert Uytterhoeven , Benjamin Herrenschmidt , linux-xtensa@linux-xtensa.org, Arnd Bergmann , Rusty Russell , linux-m68k@lists.linux-m68k.org, Thomas Gleixner , linux-arm-kernel@lists.infradead.org, dja@axtens.net, Tony Luck , linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, "David S. Miller" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Introduce pci_host_assign_domain_nr() to assign domain number for pci_host_bridge. Signed-off-by: Yijing Wang --- drivers/pci/pci.c | 24 +++++++++++++++++++----- drivers/pci/pci.h | 1 + 2 files changed, 20 insertions(+), 5 deletions(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 59032e2..79d01e4 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -4484,10 +4484,10 @@ static int pci_get_new_domain_nr(void) return atomic_inc_return(&__domain_nr); } -void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent) +static int pci_assign_domain_nr(struct device *dev) { static int use_dt_domains = -1; - int domain = of_get_pci_domain_nr(parent->of_node); + int domain = of_get_pci_domain_nr(dev->of_node); /* * Check DT domain and use_dt_domains values. @@ -4521,16 +4521,30 @@ void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent) use_dt_domains = 0; domain = pci_get_new_domain_nr(); } else { - dev_err(parent, "Node %s has inconsistent \"linux,pci-domain\" property in DT\n", - parent->of_node->full_name); + dev_err(dev, "Node %s has inconsistent \"linux,pci-domain\" property in DT\n", + dev->of_node->full_name); domain = -1; } - bus->domain_nr = domain; + return domain; +} + +void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent) +{ + bus->domain_nr = pci_assign_domain_nr(parent); } #endif #endif +void pci_host_assign_domain_nr(struct pci_host_bridge *host, int domain) +{ +#ifdef CONFIG_PCI_DOMAINS_GENERIC + host->domain = pci_assign_domain_nr(host->dev.parent); +#else + host->domain = domain; +#endif +} + /** * pci_ext_cfg_avail - can we access extended PCI config space? * diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 02192aa..4a815c9 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -344,4 +344,5 @@ static inline void pci_bus_assign_domain_nr(struct pci_bus *bus, } #endif +void pci_host_assign_domain_nr(struct pci_host_bridge *host, int domain); #endif /* DRIVERS_PCI_H */