From patchwork Thu Apr 22 17:04:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kunihiko Hayashi X-Patchwork-Id: 12218961 X-Patchwork-Delegate: lorenzo.pieralisi@arm.com 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,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 29C0DC433B4 for ; Thu, 22 Apr 2021 17:05:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0260F61435 for ; Thu, 22 Apr 2021 17:05:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236742AbhDVRF5 (ORCPT ); Thu, 22 Apr 2021 13:05:57 -0400 Received: from mx.socionext.com ([202.248.49.38]:12518 "EHLO mx.socionext.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236287AbhDVRFy (ORCPT ); Thu, 22 Apr 2021 13:05:54 -0400 Received: from unknown (HELO kinkan2-ex.css.socionext.com) ([172.31.9.52]) by mx.socionext.com with ESMTP; 23 Apr 2021 02:05:09 +0900 Received: from mail.mfilter.local (m-filter-2 [10.213.24.62]) by kinkan2-ex.css.socionext.com (Postfix) with ESMTP id 83F1C2059027; Fri, 23 Apr 2021 02:05:09 +0900 (JST) Received: from 172.31.9.51 (172.31.9.51) by m-FILTER with ESMTP; Fri, 23 Apr 2021 02:05:09 +0900 Received: from plum.e01.socionext.com (unknown [10.213.132.32]) by kinkan2.css.socionext.com (Postfix) with ESMTP id 26143B1D40; Fri, 23 Apr 2021 02:05:09 +0900 (JST) From: Kunihiko Hayashi To: Bjorn Helgaas , Rob Herring , Lorenzo Pieralisi , Jingoo Han , Gustavo Pimentel , Marc Zyngier Cc: linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Jassi Brar , Masami Hiramatsu , Kunihiko Hayashi Subject: [PATCH v11 1/3] PCI: portdrv: Add pcie_port_service_get_irq() function Date: Fri, 23 Apr 2021 02:04:55 +0900 Message-Id: <1619111097-10232-2-git-send-email-hayashi.kunihiko@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1619111097-10232-1-git-send-email-hayashi.kunihiko@socionext.com> References: <1619111097-10232-1-git-send-email-hayashi.kunihiko@socionext.com> Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Add pcie_port_service_get_irq() that returns the virtual IRQ number for specified portdrv service. Cc: Lorenzo Pieralisi Signed-off-by: Kunihiko Hayashi Reviewed-by: Rob Herring Acked-by: Bjorn Helgaas --- drivers/pci/pcie/portdrv.h | 1 + drivers/pci/pcie/portdrv_core.c | 16 ++++++++++++++++ 2 files changed, 17 insertions(+) diff --git a/drivers/pci/pcie/portdrv.h b/drivers/pci/pcie/portdrv.h index 2ff5724..628a3de 100644 --- a/drivers/pci/pcie/portdrv.h +++ b/drivers/pci/pcie/portdrv.h @@ -144,4 +144,5 @@ static inline void pcie_pme_interrupt_enable(struct pci_dev *dev, bool en) {} #endif /* !CONFIG_PCIE_PME */ struct device *pcie_port_find_device(struct pci_dev *dev, u32 service); +int pcie_port_service_get_irq(struct pci_dev *dev, u32 service); #endif /* _PORTDRV_H_ */ diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c index e1fed664..93027d3 100644 --- a/drivers/pci/pcie/portdrv_core.c +++ b/drivers/pci/pcie/portdrv_core.c @@ -478,6 +478,22 @@ struct device *pcie_port_find_device(struct pci_dev *dev, EXPORT_SYMBOL_GPL(pcie_port_find_device); /** + * pcie_port_service_get_irq - get irq of the service + * @dev: PCI Express port the service is associated with + * @service: For the service to find + * + * Get irq number associated with given service on a pci_dev + */ +int pcie_port_service_get_irq(struct pci_dev *dev, u32 service) +{ + struct pcie_device *pciedev; + + pciedev = to_pcie_device(pcie_port_find_device(dev, service)); + + return pciedev->irq; +} + +/** * pcie_port_device_remove - unregister PCI Express port service devices * @dev: PCI Express port the service devices to unregister are associated with *