From patchwork Fri Feb 28 17:28:38 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lucas Stach X-Patchwork-Id: 3743061 Return-Path: X-Original-To: patchwork-linux-sh@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 1BA8A9F38C for ; Fri, 28 Feb 2014 17:29:31 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5CC11202A7 for ; Fri, 28 Feb 2014 17:29:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 84058201B9 for ; Fri, 28 Feb 2014 17:29:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752972AbaB1R3P (ORCPT ); Fri, 28 Feb 2014 12:29:15 -0500 Received: from metis.ext.pengutronix.de ([92.198.50.35]:35476 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753231AbaB1R3O (ORCPT ); Fri, 28 Feb 2014 12:29:14 -0500 Received: from dude.hi.pengutronix.de ([10.1.0.7] helo=dude.pengutronix.de) by metis.ext.pengutronix.de with esmtp (Exim 4.72) (envelope-from ) id 1WJREv-00031O-3i; Fri, 28 Feb 2014 18:28:49 +0100 From: Lucas Stach To: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org, linux-sh@vger.kernel.org, linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, Bjorn Helgaas , Simon Horman , Shawn Guo , Kukjin Kim , Stephen Warren , Thierry Reding , Mark Rutland , Jingoo Han , Ben Dooks , Tim Harvey , Richard Zhu , Arnd Bergmann , kernel@pengutronix.de Subject: [PATCH 2/7] PCI: tegra: use new OF interrupt mapping when possible Date: Fri, 28 Feb 2014 18:28:38 +0100 Message-Id: <1393608523-17509-3-git-send-email-l.stach@pengutronix.de> X-Mailer: git-send-email 1.8.5.3 In-Reply-To: <1393608523-17509-1-git-send-email-l.stach@pengutronix.de> References: <1393608523-17509-1-git-send-email-l.stach@pengutronix.de> X-SA-Exim-Connect-IP: 10.1.0.7 X-SA-Exim-Mail-From: l.stach@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-sh@vger.kernel.org Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Spam-Status: No, score=-3.8 required=5.0 tests=BAYES_00,KHOP_BIG_TO_CC, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This is the recommended method of doing the IRQ mapping. For old devicetrees we fall back to the previous practice. Signed-off-by: Lucas Stach --- drivers/pci/host/pci-tegra.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c index 330f7e3a32dd..083cf37ca047 100644 --- a/drivers/pci/host/pci-tegra.c +++ b/drivers/pci/host/pci-tegra.c @@ -639,10 +639,15 @@ static int tegra_pcie_setup(int nr, struct pci_sys_data *sys) static int tegra_pcie_map_irq(const struct pci_dev *pdev, u8 slot, u8 pin) { struct tegra_pcie *pcie = sys_to_pcie(pdev->bus->sysdata); + int irq; tegra_cpuidle_pcie_irqs_in_use(); - return pcie->irq; + irq = of_irq_parse_and_map_pci(pdev, slot, pin); + if (!irq) + irq = pcie->irq; + + return irq; } static void tegra_pcie_add_bus(struct pci_bus *bus)