From patchwork Thu Jun 14 01:34:43 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Lin X-Patchwork-Id: 929193 X-Patchwork-Delegate: lorenzo.pieralisi@arm.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=rock-chips.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 415mQP1rh8z9ryk for ; Thu, 14 Jun 2018 11:35:09 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935765AbeFNBfH (ORCPT ); Wed, 13 Jun 2018 21:35:07 -0400 Received: from lucky1.263xmail.com ([211.157.147.131]:36976 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935710AbeFNBfF (ORCPT ); Wed, 13 Jun 2018 21:35:05 -0400 Received: from shawn.lin?rock-chips.com (unknown [192.168.167.140]) by lucky1.263xmail.com (Postfix) with ESMTP id D045E96B73; Thu, 14 Jun 2018 09:35:01 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 1 X-MAIL-DELIVERY: 0 X-KSVirus-check: 0 X-ABS-CHECKED: 4 Received: from localhost.localdomain (localhost [127.0.0.1]) by smtp.263.net (Postfix) with ESMTPA id 8E5B53BA; Thu, 14 Jun 2018 09:34:59 +0800 (CST) X-IP-DOMAINF: 1 X-RL-SENDER: shawn.lin@rock-chips.com X-FST-TO: bhelgaas@google.com X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: shawn.lin@rock-chips.com X-UNIQUE-TAG: <4e9c21554b9a6fb5d036f66e5c6b19e3> X-ATTACHMENT-NUM: 0 X-SENDER: lintao@rock-chips.com X-DNS-TYPE: 0 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith ESMTP id 179178LKRG4; Thu, 14 Jun 2018 09:35:01 +0800 (CST) From: Shawn Lin To: Bjorn Helgaas , Lorenzo Pieralisi Cc: linux-pci@vger.kernel.org, Shawn Lin , Kishon Vijay Abraham I Subject: [PATCH v4 02/10] PCI: dra7xx: Use pci_host_alloc_intx_irqd() helper to simplify the code Date: Thu, 14 Jun 2018 09:34:43 +0800 Message-Id: <1528940083-183300-1-git-send-email-shawn.lin@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1528939995-183203-1-git-send-email-shawn.lin@rock-chips.com> References: <1528939995-183203-1-git-send-email-shawn.lin@rock-chips.com> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Just avoid code duplication, but no functional change intended. Cc: Kishon Vijay Abraham I Signed-off-by: Shawn Lin --- Changes in v4: None Changes in v3: None Changes in v2: None drivers/pci/controller/dwc/pci-dra7xx.c | 42 +++------------------------------ 1 file changed, 3 insertions(+), 39 deletions(-) diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c b/drivers/pci/controller/dwc/pci-dra7xx.c index cfaeef8..a281924 100644 --- a/drivers/pci/controller/dwc/pci-dra7xx.c +++ b/drivers/pci/controller/dwc/pci-dra7xx.c @@ -213,43 +213,6 @@ static int dra7xx_pcie_host_init(struct pcie_port *pp) .host_init = dra7xx_pcie_host_init, }; -static int dra7xx_pcie_intx_map(struct irq_domain *domain, unsigned int irq, - irq_hw_number_t hwirq) -{ - irq_set_chip_and_handler(irq, &dummy_irq_chip, handle_simple_irq); - irq_set_chip_data(irq, domain->host_data); - - return 0; -} - -static const struct irq_domain_ops intx_domain_ops = { - .map = dra7xx_pcie_intx_map, - .xlate = pci_irqd_intx_xlate, -}; - -static int dra7xx_pcie_init_irq_domain(struct pcie_port *pp) -{ - struct dw_pcie *pci = to_dw_pcie_from_pp(pp); - struct device *dev = pci->dev; - struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pci); - struct device_node *node = dev->of_node; - struct device_node *pcie_intc_node = of_get_next_child(node, NULL); - - if (!pcie_intc_node) { - dev_err(dev, "No PCIe Intc node found\n"); - return -ENODEV; - } - - dra7xx->irq_domain = irq_domain_add_linear(pcie_intc_node, PCI_NUM_INTX, - &intx_domain_ops, pp); - if (!dra7xx->irq_domain) { - dev_err(dev, "Failed to get a INTx IRQ domain\n"); - return -ENODEV; - } - - return 0; -} - static irqreturn_t dra7xx_pcie_msi_irq_handler(int irq, void *arg) { struct dra7xx_pcie *dra7xx = arg; @@ -455,8 +418,9 @@ static int __init dra7xx_add_pcie_port(struct dra7xx_pcie *dra7xx, return ret; } - ret = dra7xx_pcie_init_irq_domain(pp); - if (ret < 0) + dra7xx->irq_domain = pci_host_alloc_intx_irqd(dev, dra7xx, true, NULL, + NULL); + if (IS_ERR(dra7xx->irq_domain)) return ret; res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rc_dbics");