From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from foss.arm.com ([217.140.101.70]:39441 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752613AbbGWJ1K (ORCPT ); Thu, 23 Jul 2015 05:27:10 -0400 From: Marc Zyngier To: Bjorn Helgaas , Thomas Gleixner , Jiang Liu , Jason Cooper Cc: , , , Yijing Wang , Ma Jun , Lorenzo Pieralisi , Duc Dang Subject: [PATCH v5 07/19] PCI/MSI: Let pci_msi_get_domain use struct device's msi_domain Date: Thu, 23 Jul 2015 10:26:26 +0100 Message-Id: <1437643598-19795-8-git-send-email-marc.zyngier@arm.com> In-Reply-To: <1437643598-19795-1-git-send-email-marc.zyngier@arm.com> References: <1437643598-19795-1-git-send-email-marc.zyngier@arm.com> Sender: linux-pci-owner@vger.kernel.org List-ID: Now that we can easily find which MSI domain a PCI device is using, use dev_get_msi_domain as a way to retrieve the information. The original code is still used as a fallback. Signed-off-by: Marc Zyngier --- drivers/pci/msi.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index ef4ec6e..da3c607 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -39,14 +39,16 @@ struct irq_domain * __weak arch_get_pci_msi_domain(struct pci_dev *dev) static struct irq_domain *pci_msi_get_domain(struct pci_dev *dev) { - struct irq_domain *domain = NULL; + struct irq_domain *domain; + + domain = dev_get_msi_domain(&dev->dev); + if (domain) + return domain; - if (dev->bus->msi) - domain = dev->bus->msi->domain; - if (!domain) - domain = arch_get_pci_msi_domain(dev); + if (dev->bus->msi && (domain = dev->bus->msi->domain)) + return domain; - return domain; + return arch_get_pci_msi_domain(dev); } static int pci_msi_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) -- 2.1.4