Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757687Ab2K0Ane (ORCPT ); Mon, 26 Nov 2012 19:43:34 -0500 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:42271 "EHLO fgwmail5.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757600Ab2K0Anc (ORCPT ); Mon, 26 Nov 2012 19:43:32 -0500 X-SecurityPolicyCheck: OK by SHieldMailChecker v1.7.4 From: Takao Indoh To: linux-pci@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org Cc: tokunaga.keiich@jp.fujitsu.com, kexec@lists.infradead.org, hbabu@us.ibm.com, andi@firstfloor.org, ddutile@redhat.com, Takao Indoh , ishii.hironobu@jp.fujitsu.com, hpa@zytor.com, bhelgaas@google.com, tglx@linutronix.de, yinghai@kernel.org, mingo@redhat.com, vgoyal@redhat.com, khalid@gonehiking.org Message-Id: <20121127004233.3604.33429.sendpatchset@tindoh.g01.fujitsu.local> In-Reply-To: <20121127004144.3604.61708.sendpatchset@tindoh.g01.fujitsu.local> References: <20121127004144.3604.61708.sendpatchset@tindoh.g01.fujitsu.local> Subject: [PATCH v7 5/5] x86, pci: Enable PCI INTx when MSI is disabled Date: Tue, 27 Nov 2012 09:43:21 +0900 (JST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1164 Lines: 36 This patch enables INTx if MSI is disabled in pcibios_enable_device(). In normal case interrupt disable bit in command register is 0b on boot time, but in case of kdump, this bit may be 1b. It causes problems of some drivers. At leaset I confirmed mptsas driver does not work in such a case. This patch fix this problem. Signed-off-by: Takao Indoh --- arch/x86/pci/common.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index 720e973..2bb7ecc 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -615,8 +615,10 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) if ((err = pci_enable_resources(dev, mask)) < 0) return err; - if (!pci_dev_msi_enabled(dev)) + if (!pci_dev_msi_enabled(dev)) { + pci_intx(dev, true); return pcibios_enable_irq(dev); + } return 0; } -- 1.7.1 -- 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/