From patchwork Thu Jun 14 01:35:45 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Lin X-Patchwork-Id: 10463191 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 22C90600D0 for ; Thu, 14 Jun 2018 01:36:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1552F28C06 for ; Thu, 14 Jun 2018 01:36:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0A3A828C59; Thu, 14 Jun 2018 01:36:14 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.4 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI,RCVD_IN_SORBS_WEB autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 986DA28C06 for ; Thu, 14 Jun 2018 01:36:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935837AbeFNBgM (ORCPT ); Wed, 13 Jun 2018 21:36:12 -0400 Received: from lucky1.263xmail.com ([211.157.147.133]:54143 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935929AbeFNBgL (ORCPT ); Wed, 13 Jun 2018 21:36:11 -0400 Received: from shawn.lin?rock-chips.com (unknown [192.168.167.43]) by lucky1.263xmail.com (Postfix) with ESMTP id B7D07950B0; Thu, 14 Jun 2018 09:36:07 +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 EAB0136B; Thu, 14 Jun 2018 09:36:06 +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: <8a1fdd7ada61fc5a29a967580693028f> 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 7486X1A3OV; Thu, 14 Jun 2018 09:36:07 +0800 (CST) From: Shawn Lin To: Bjorn Helgaas , Lorenzo Pieralisi Cc: linux-pci@vger.kernel.org, Shawn Lin , Ley Foon Tan Subject: [PATCH v4 06/10] PCI: altera: Use pci_host_alloc_intx_irqd() helper to get irq domain for INTx Date: Thu, 14 Jun 2018 09:35:45 +0800 Message-Id: <1528940145-183495-1-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 X-Virus-Scanned: ClamAV using ClamSMTP Just avoid code duplication, but no functional change intended. Cc: Ley Foon Tan Signed-off-by: Shawn Lin Reviewed-by: Ley Foon Tan --- Changes in v4: None Changes in v3: None Changes in v2: None drivers/pci/controller/pcie-altera.c | 38 ++++-------------------------------- 1 file changed, 4 insertions(+), 34 deletions(-) diff --git a/drivers/pci/controller/pcie-altera.c b/drivers/pci/controller/pcie-altera.c index 7d05e51..0915c8b 100644 --- a/drivers/pci/controller/pcie-altera.c +++ b/drivers/pci/controller/pcie-altera.c @@ -443,19 +443,6 @@ 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); @@ -519,22 +506,6 @@ 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; @@ -592,11 +563,10 @@ 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_host_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);