From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D3084CA9EAF for ; Thu, 24 Oct 2019 17:46:33 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7DC1120659 for ; Thu, 24 Oct 2019 17:46:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=yadro.com header.i=@yadro.com header.b="eMZ8xTmG" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7DC1120659 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=yadro.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 46zZRp5vqfzDqY6 for ; Fri, 25 Oct 2019 04:46:30 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=yadro.com (client-ip=89.207.88.252; helo=mta-01.yadro.com; envelope-from=s.miroshnichenko@yadro.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=yadro.com Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=yadro.com header.i=@yadro.com header.b="eMZ8xTmG"; dkim-atps=neutral Received: from mta-01.yadro.com (mta-02.yadro.com [89.207.88.252]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 46zYj03f5mzDqNt for ; Fri, 25 Oct 2019 04:12:52 +1100 (AEDT) Received: from localhost (unknown [127.0.0.1]) by mta-01.yadro.com (Postfix) with ESMTP id 7EABA42F14; Thu, 24 Oct 2019 17:12:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=yadro.com; h= content-type:content-type:content-transfer-encoding:mime-version :references:in-reply-to:x-mailer:message-id:date:date:subject :subject:from:from:received:received:received; s=mta-01; t= 1571937168; x=1573751569; bh=DbrmeTcNhYv3PGM/IbnlLPxMlO1jbQU8BpP Nc0UZMas=; b=eMZ8xTmGQYPYhkqlqcQJLz+BLrCEu8qFNTEj1tA4ukc6tFVVH0a niKDYehTl3Bez70j4Sxz1WOCmDh6sKzd9Az+Arta0VJZtUBQoC8fvpKPXxlEQ2yJ TbkniqMEo+c/TpyLPVki1HgO1DE7LytJCg0e1b3gEHTl3lrX3lMKLSTM= X-Virus-Scanned: amavisd-new at yadro.com Received: from mta-01.yadro.com ([127.0.0.1]) by localhost (mta-01.yadro.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id NE8yWUUPu1cu; Thu, 24 Oct 2019 20:12:48 +0300 (MSK) Received: from T-EXCH-02.corp.yadro.com (t-exch-02.corp.yadro.com [172.17.10.102]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id 1C7B443B4E; Thu, 24 Oct 2019 20:12:42 +0300 (MSK) Received: from NB-148.yadro.com (172.17.15.136) by T-EXCH-02.corp.yadro.com (172.17.10.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Thu, 24 Oct 2019 20:12:41 +0300 From: Sergey Miroshnichenko To: , Subject: [PATCH v6 15/30] PCI: Fix assigning the fixed prefetchable resources Date: Thu, 24 Oct 2019 20:12:13 +0300 Message-ID: <20191024171228.877974-16-s.miroshnichenko@yadro.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191024171228.877974-1-s.miroshnichenko@yadro.com> References: <20191024171228.877974-1-s.miroshnichenko@yadro.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [172.17.15.136] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-02.corp.yadro.com (172.17.10.102) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sergey Miroshnichenko , Bjorn Helgaas , linux@yadro.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Allow matching IORESOURCE_PCI_FIXED prefetchable BARs to non-prefetchable windows, so they follow the same rules as immovable BARs. Signed-off-by: Sergey Miroshnichenko --- drivers/pci/setup-bus.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 653ba4d5f191..c7365998fbd6 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -1339,15 +1339,20 @@ static void assign_fixed_resource_on_bus(struct pci_bus *b, struct resource *r) { int i; struct resource *parent_r; - unsigned long mask = IORESOURCE_IO | IORESOURCE_MEM | - IORESOURCE_PREFETCH; + unsigned long mask = IORESOURCE_TYPE_BITS; pci_bus_for_each_resource(b, parent_r, i) { if (!parent_r) continue; - if ((r->flags & mask) == (parent_r->flags & mask) && - resource_contains(parent_r, r)) + if ((r->flags & mask) != (parent_r->flags & mask)) + continue; + + if (parent_r->flags & IORESOURCE_PREFETCH && + !(r->flags & IORESOURCE_PREFETCH)) + continue; + + if (resource_contains(parent_r, r)) request_resource(parent_r, r); } } -- 2.23.0