From patchwork Sat Apr 28 01:50:03 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Lin X-Patchwork-Id: 906011 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 40Xv8J4fYBz9s08 for ; Sat, 28 Apr 2018 11:57:52 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759421AbeD1B5v (ORCPT ); Fri, 27 Apr 2018 21:57:51 -0400 Received: from lucky1.263xmail.com ([211.157.147.131]:42262 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759215AbeD1B5v (ORCPT ); Fri, 27 Apr 2018 21:57:51 -0400 Received: from shawn.lin?rock-chips.com (unknown [192.168.167.157]) by lucky1.263xmail.com (Postfix) with ESMTP id C607C96BA7; Sat, 28 Apr 2018 09:57:48 +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 9D3B33FC; Sat, 28 Apr 2018 09:57:47 +0800 (CST) X-IP-DOMAINF: 1 X-RL-SENDER: shawn.lin@rock-chips.com X-FST-TO: lorenzo.pieralisi@arm.com X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: shawn.lin@rock-chips.com X-UNIQUE-TAG: <373194eb1e94c7054b466c46885f8e3a> 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 5880SYWVQK; Sat, 28 Apr 2018 09:57:48 +0800 (CST) From: Shawn Lin To: Lorenzo Pieralisi , Bjorn Helgaas Cc: linux-pci@vger.kernel.org, Shawn Lin , Ley Foon Tan Subject: [PATCH v2 6/9] PCI: altera: Use pci_alloc_intx_irqd() helper to get irq domain for INTx Date: Sat, 28 Apr 2018 09:50:03 +0800 Message-Id: <1524880203-101149-1-git-send-email-shawn.lin@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1524880102-100856-1-git-send-email-shawn.lin@rock-chips.com> References: <1524880102-100856-1-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: Ley Foon Tan Signed-off-by: Shawn Lin --- Changes in v2: None drivers/pci/host/pcie-altera.c | 38 ++++---------------------------------- 1 file changed, 4 insertions(+), 34 deletions(-) diff --git a/drivers/pci/host/pcie-altera.c b/drivers/pci/host/pcie-altera.c index a6af62e..a0fcf0f 100644 --- a/drivers/pci/host/pcie-altera.c +++ b/drivers/pci/host/pcie-altera.c @@ -441,19 +441,6 @@ static void altera_pcie_retrain(struct altera_pcie *pcie) } } -static int altera_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 = altera_pcie_intx_map, - .xlate = pci_irqd_intx_xlate, -}; - static void altera_pcie_isr(struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); @@ -518,22 +505,6 @@ static int altera_pcie_parse_request_of_pci_ranges(struct altera_pcie *pcie) return err; } -static int altera_pcie_init_irq_domain(struct altera_pcie *pcie) -{ - struct device *dev = &pcie->pdev->dev; - struct device_node *node = dev->of_node; - - /* Setup INTx */ - pcie->irq_domain = irq_domain_add_linear(node, PCI_NUM_INTX, - &intx_domain_ops, pcie); - if (!pcie->irq_domain) { - dev_err(dev, "Failed to get a INTx IRQ domain\n"); - return -ENOMEM; - } - - return 0; -} - static int altera_pcie_parse_dt(struct altera_pcie *pcie) { struct device *dev = &pcie->pdev->dev; @@ -591,11 +562,10 @@ static int altera_pcie_probe(struct platform_device *pdev) return ret; } - ret = altera_pcie_init_irq_domain(pcie); - if (ret) { - dev_err(dev, "Failed creating IRQ Domain\n"); - return ret; - } + pcie->irq_domain = pci_alloc_intx_irqd(dev, pcie, true, NULL, + dev->of_node); + if (IS_ERR(pcie->irq_domain)) + return PTR_ERR(pcie->irq_domain); /* clear all interrupts */ cra_writel(pcie, P2A_INT_STS_ALL, P2A_INT_STATUS);