Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753417AbbGOQ4Z (ORCPT ); Wed, 15 Jul 2015 12:56:25 -0400 Received: from mail-ie0-f174.google.com ([209.85.223.174]:34959 "EHLO mail-ie0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753269AbbGOQy6 (ORCPT ); Wed, 15 Jul 2015 12:54:58 -0400 From: David Daney To: linux-arm-kernel@lists.infradead.org, Catalin Marinas , Will Deacon , Bjorn Helgaas , linux-pci@vger.kernel.org, Thomas Gleixner , Jason Cooper Cc: linux-kernel@vger.kernel.org, Robert Richter , David Daney Subject: [PATCH 2/5] gic-its: Allow pci_requester_id to be overridden. Date: Wed, 15 Jul 2015 09:54:42 -0700 Message-Id: <1436979285-8177-3-git-send-email-ddaney.cavm@gmail.com> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1436979285-8177-1-git-send-email-ddaney.cavm@gmail.com> References: <1436979285-8177-1-git-send-email-ddaney.cavm@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1903 Lines: 58 From: David Daney Signed-off-by: David Daney --- drivers/irqchip/irq-gic-v3-its.c | 14 +++++++++++++- include/linux/irqchip/arm-gic-v3.h | 2 ++ 2 files changed, 15 insertions(+), 1 deletion(-) diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 1b7e155..4580970 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -1189,11 +1189,23 @@ static int its_pci_msi_vec_count(struct pci_dev *pdev) return max(msi, msix); } +static u32 its_dflt_pci_requester_id(struct pci_dev *pdev, u16 alias) +{ + return alias; +} + +static its_pci_requester_id_t its_pci_requester_id = its_dflt_pci_requester_id; +void set_its_pci_requester_id(its_pci_requester_id_t fn) +{ + its_pci_requester_id = fn; +} +EXPORT_SYMBOL(set_its_pci_requester_id); + static int its_get_pci_alias(struct pci_dev *pdev, u16 alias, void *data) { struct its_pci_alias *dev_alias = data; - dev_alias->dev_id = alias; + dev_alias->dev_id = its_pci_requester_id(pdev, alias); if (pdev != dev_alias->pdev) dev_alias->count += its_pci_msi_vec_count(dev_alias->pdev); diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h index ffbc034..18e3757 100644 --- a/include/linux/irqchip/arm-gic-v3.h +++ b/include/linux/irqchip/arm-gic-v3.h @@ -389,6 +389,8 @@ int its_cpu_init(void); int its_init(struct device_node *node, struct rdists *rdists, struct irq_domain *domain); +typedef u32 (*its_pci_requester_id_t)(struct pci_dev *, u16); +void set_its_pci_requester_id(its_pci_requester_id_t fn); #endif #endif -- 1.9.1 -- 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/