From patchwork Thu Aug 17 12:04:29 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeffy Chen X-Patchwork-Id: 9906009 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 2366C6038C for ; Thu, 17 Aug 2017 12:06:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2A1D328841 for ; Thu, 17 Aug 2017 12:06:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1EED328AF5; Thu, 17 Aug 2017 12:06:08 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable 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 A4EDF28841 for ; Thu, 17 Aug 2017 12:06:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752467AbdHQMFu (ORCPT ); Thu, 17 Aug 2017 08:05:50 -0400 Received: from regular1.263xmail.com ([211.150.99.138]:58393 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751149AbdHQMEy (ORCPT ); Thu, 17 Aug 2017 08:04:54 -0400 Received: from jeffy.chen?rock-chips.com (unknown [192.168.167.228]) by regular1.263xmail.com (Postfix) with ESMTP id 6AE5F7908; Thu, 17 Aug 2017 20:04:46 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 Received: from localhost (localhost [127.0.0.1]) by smtp.263.net (Postfix) with ESMTPA id 4683C387; Thu, 17 Aug 2017 20:04:46 +0800 (CST) X-RL-SENDER: jeffy.chen@rock-chips.com X-FST-TO: linux-kernel@vger.kernel.org X-SENDER-IP: 103.29.142.67 X-LOGIN-NAME: jeffy.chen@rock-chips.com X-UNIQUE-TAG: <33500f5f989cd11ed8f30782abd80c3f> X-ATTACHMENT-NUM: 0 X-SENDER: cjf@rock-chips.com X-DNS-TYPE: 0 Received: from localhost (unknown [103.29.142.67]) by smtp.263.net (Postfix) whith ESMTP id 262455H8XQ2; Thu, 17 Aug 2017 20:04:48 +0800 (CST) From: Jeffy Chen To: linux-kernel@vger.kernel.org, bhelgaas@google.com Cc: shawn.lin@rock-chips.com, briannorris@chromium.org, dianders@chromium.org, Jeffy Chen , Heiko Stuebner , linux-pci@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org Subject: [RFC PATCH v2 1/3] PCI: rockchip: Add support for pcie wake irq Date: Thu, 17 Aug 2017 20:04:29 +0800 Message-Id: <20170817120431.12398-2-jeffy.chen@rock-chips.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170817120431.12398-1-jeffy.chen@rock-chips.com> References: <20170817120431.12398-1-jeffy.chen@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 Add support for PCIE_WAKE pin in rockchip pcie driver. Signed-off-by: Jeffy Chen --- Changes in v2: Use dev_pm_set_dedicated_wake_irq -- Suggested by Brian Norris drivers/pci/host/pcie-rockchip.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/pci/host/pcie-rockchip.c b/drivers/pci/host/pcie-rockchip.c index 7bb9870f6d8c..c2b973c738fe 100644 --- a/drivers/pci/host/pcie-rockchip.c +++ b/drivers/pci/host/pcie-rockchip.c @@ -36,6 +36,7 @@ #include #include #include +#include #include #include @@ -853,7 +854,6 @@ static void rockchip_pcie_legacy_int_handler(struct irq_desc *desc) chained_irq_exit(chip, desc); } - /** * rockchip_pcie_parse_dt - Parse Device Tree * @rockchip: PCIe port information @@ -1018,6 +1018,14 @@ static int rockchip_pcie_parse_dt(struct rockchip_pcie *rockchip) return err; } + device_init_wakeup(dev, true); + irq = platform_get_irq_byname(pdev, "wake"); + if (irq >= 0) { + err = dev_pm_set_dedicated_wake_irq(dev, irq); + if (err) + dev_err(dev, "failed to setup PCIe wake IRQ\n"); + } + rockchip->vpcie3v3 = devm_regulator_get_optional(dev, "vpcie3v3"); if (IS_ERR(rockchip->vpcie3v3)) { if (PTR_ERR(rockchip->vpcie3v3) == -EPROBE_DEFER) @@ -1524,6 +1532,9 @@ static int rockchip_pcie_remove(struct platform_device *pdev) struct device *dev = &pdev->dev; struct rockchip_pcie *rockchip = dev_get_drvdata(dev); + dev_pm_clear_wake_irq(dev); + device_init_wakeup(dev, false); + pci_stop_root_bus(rockchip->root_bus); pci_remove_root_bus(rockchip->root_bus); pci_unmap_iospace(rockchip->io);