From patchwork Tue Sep 23 19:01:12 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liviu Dudau X-Patchwork-Id: 4959481 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id BD494BEEA5 for ; Tue, 23 Sep 2014 20:00:47 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0A126202A1 for ; Tue, 23 Sep 2014 20:00:47 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0EBE620295 for ; Tue, 23 Sep 2014 20:00:46 +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 1XWWEK-0002OV-1m; Tue, 23 Sep 2014 19:58:32 +0000 Received: from fw-tnat.cambridge.arm.com ([217.140.96.21] helo=cam-smtp0.cambridge.arm.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XWWEH-0002Hz-5A for linux-arm-kernel@lists.infradead.org; Tue, 23 Sep 2014 19:58:30 +0000 Received: from e106497-lin.cambridge.arm.com (e106497-lin.cambridge.arm.com [10.1.195.53]) by cam-smtp0.cambridge.arm.com (8.13.8/8.13.8) with ESMTP id s8NJ1Eh7027659; Tue, 23 Sep 2014 20:01:25 +0100 From: Liviu Dudau To: Bjorn Helgaas , Arnd Bergmann , Rob Herring , Jason Gunthorpe , Benjamin Herrenschmidt , Catalin Marinas , Will Deacon , Russell King , linux-pci , Linus Walleij Subject: [PATCH v12 10/12] PCI: Assign unassigned bus resources in pci_scan_root_bus() Date: Tue, 23 Sep 2014 20:01:12 +0100 Message-Id: <1411498874-9864-11-git-send-email-Liviu.Dudau@arm.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1411498874-9864-1-git-send-email-Liviu.Dudau@arm.com> References: <1411498874-9864-1-git-send-email-Liviu.Dudau@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140923_125829_981820_CDFBE5C0 X-CRM114-Status: UNSURE ( 8.88 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -3.0 (---) Cc: linux-arch , Sinan Kaya , Kukjin Kim , Device Tree ML , Jingoo Han , LKML , Grant Likely , Tanmay Inamdar , Suravee Suthikulanit , LAKML X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, 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 If the firmware has not assigned all the bus resources and we are not just probing the PCIe busses, it makes sense to assign the unassigned resources in pci_scan_root_bus(). Cc: Bjorn Helgaas Cc: Arnd Bergmann Cc: Jason Gunthorpe Cc: Rob Herring Signed-off-by: Liviu Dudau --- drivers/pci/probe.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index ef891d2..508cf61 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1953,6 +1953,9 @@ struct pci_bus *pci_scan_root_bus(struct device *parent, int bus, if (!found) pci_bus_update_busn_res_end(b, max); + if (!pci_has_flag(PCI_PROBE_ONLY)) + pci_assign_unassigned_bus_resources(b); + pci_bus_add_devices(b); return b; }