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=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 B3912C4360F for ; Mon, 11 Mar 2019 13:31:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 82E5C22308 for ; Mon, 11 Mar 2019 13:31:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=yadro.com header.i=@yadro.com header.b="EhNpmvyv" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727661AbfCKNbi (ORCPT ); Mon, 11 Mar 2019 09:31:38 -0400 Received: from mta-01.yadro.com ([89.207.88.251]:50974 "EHLO mta-01.yadro.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727595AbfCKNbi (ORCPT ); Mon, 11 Mar 2019 09:31:38 -0400 Received: from localhost (unknown [127.0.0.1]) by mta-01.yadro.com (Postfix) with ESMTP id BE34D419CF; Mon, 11 Mar 2019 13:31:36 +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= 1552311095; x=1554125496; bh=VjC5ICoQdeuXnQ8WzrZDzFu/nzYS7FudbeH OOK8UNoE=; b=EhNpmvyvQSRYsi40wRDqF81FeAm6ZnN4e0wduO2SsG4T4p5U91m fr3nfejAIoo8lNIlA5K+n0E7sjiGDkPBise63czH0UTnmEmacb0k1299eASaTnaC dNBCeNjawLXsCxBO6CHCmKJmek3W/Z5SyYGKvhev1lqHLYfWfMu4rWWY= 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 0Ai3lLbZUm70; Mon, 11 Mar 2019 16:31:35 +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 659DF419D8; Mon, 11 Mar 2019 16:31:32 +0300 (MSK) Received: from NB-148.yadro.com (172.17.15.60) 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; Mon, 11 Mar 2019 16:31:31 +0300 From: Sergey Miroshnichenko To: , CC: Bjorn Helgaas , , Sergey Miroshnichenko Subject: [PATCH RFC v4 10/21] PCI: Fix assigning of fixed prefetchable resources Date: Mon, 11 Mar 2019 16:31:11 +0300 Message-ID: <20190311133122.11417-11-s.miroshnichenko@yadro.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190311133122.11417-1-s.miroshnichenko@yadro.com> References: <20190311133122.11417-1-s.miroshnichenko@yadro.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [172.17.15.60] X-ClientProxiedBy: T-EXCH-01.corp.yadro.com (172.17.10.101) To T-EXCH-02.corp.yadro.com (172.17.10.102) Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Allow matching them to non-prefetchable windows, as it is done for movable resources. 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 3644feb13179..be7d4e6d7b65 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -1301,15 +1301,20 @@ 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); } } -- 2.20.1