Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754177AbbLKFZM (ORCPT ); Fri, 11 Dec 2015 00:25:12 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:45017 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751024AbbLKFZD (ORCPT ); Fri, 11 Dec 2015 00:25:03 -0500 From: Yinghai Lu To: Bjorn Helgaas , David Miller , Benjamin Herrenschmidt , Wei Yang , TJ , Yijing Wang , Khalid Aziz Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Yinghai Lu , Paul Mackerras , Michael Ellerman , Gavin Shan , Anton Blanchard , linuxppc-dev@lists.ozlabs.org Subject: [PATCH v9 09/60] powerpc/PCI: Add IORESOURCE_MEM_64 for 64-bit resource in OF parsing Date: Thu, 10 Dec 2015 21:06:05 -0800 Message-Id: <1449810416-2950-10-git-send-email-yinghai@kernel.org> X-Mailer: git-send-email 1.8.4.5 In-Reply-To: <1449810416-2950-1-git-send-email-yinghai@kernel.org> References: <1449810416-2950-1-git-send-email-yinghai@kernel.org> X-Source-IP: userv0021.oracle.com [156.151.31.71] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1689 Lines: 43 For device resource PREF bit setting under bridge 64-bit pref resource, we need to make sure only set PREF for 64bit resource, so set IORESOUCE_MEM_64 for 64bit resource during of device resource flags parsing. Link: https://bugzilla.kernel.org/show_bug.cgi?id=96261 Link: https://bugzilla.kernel.org/show_bug.cgi?id=96241 Signed-off-by: Yinghai Lu Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: Michael Ellerman Cc: Gavin Shan Cc: Yijing Wang Cc: Anton Blanchard Cc: linuxppc-dev@lists.ozlabs.org --- arch/powerpc/kernel/pci_of_scan.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c index 349ed11..d7305d7 100644 --- a/arch/powerpc/kernel/pci_of_scan.c +++ b/arch/powerpc/kernel/pci_of_scan.c @@ -44,8 +44,10 @@ static unsigned int pci_parse_of_flags(u32 addr0, int bridge) if (addr0 & 0x02000000) { flags = IORESOURCE_MEM | PCI_BASE_ADDRESS_SPACE_MEMORY; - flags |= (addr0 >> 22) & PCI_BASE_ADDRESS_MEM_TYPE_64; flags |= (addr0 >> 28) & PCI_BASE_ADDRESS_MEM_TYPE_1M; + if (addr0 & 0x01000000) + flags |= IORESOURCE_MEM_64 + | PCI_BASE_ADDRESS_MEM_TYPE_64; if (addr0 & 0x40000000) flags |= IORESOURCE_PREFETCH | PCI_BASE_ADDRESS_MEM_PREFETCH; -- 1.8.4.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/