From patchwork Thu May 25 16:13:31 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 9748637 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 E705B601E9 for ; Thu, 25 May 2017 16:13:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D8BFB2621B for ; Thu, 25 May 2017 16:13:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CCA2F28047; Thu, 25 May 2017 16:13:44 +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=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 96A532621B for ; Thu, 25 May 2017 16:13:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1034580AbdEYQNl (ORCPT ); Thu, 25 May 2017 12:13:41 -0400 Received: from muru.com ([72.249.23.125]:49314 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1034447AbdEYQNk (ORCPT ); Thu, 25 May 2017 12:13:40 -0400 Received: from sampyla.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id E5A958329; Thu, 25 May 2017 16:17:01 +0000 (UTC) From: Tony Lindgren To: Alan Stern Cc: Greg Kroah-Hartman , linux-usb@vger.kernel.org, linux-omap@vger.kernel.org, devicetree@vger.kernel.org, Hans de Goede , Rob Herring , Roger Quadros , Sebastian Reichel , Yoshihiro Shimoda Subject: [PATCH 1/3] usb: host: ohci-platform: Add basic runtime PM support Date: Thu, 25 May 2017 09:13:31 -0700 Message-Id: <20170525161333.32639-2-tony@atomide.com> X-Mailer: git-send-email 2.13.0 In-Reply-To: <20170525161333.32639-1-tony@atomide.com> References: <20170525161333.32639-1-tony@atomide.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This is needed in preparation of adding support for omap3 and later OHCI. The runtime PM will only do something on platforms that implement it. Cc: devicetree@vger.kernel.org Cc: Hans de Goede Cc: Rob Herring Cc: Roger Quadros Cc: Sebastian Reichel Cc: Yoshihiro Shimoda Signed-off-by: Tony Lindgren Acked-by: Alan Stern Acked-by: Roger Quadros --- drivers/usb/host/ohci-platform.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c --- a/drivers/usb/host/ohci-platform.c +++ b/drivers/usb/host/ohci-platform.c @@ -24,6 +24,7 @@ #include #include #include +#include #include #include #include @@ -242,6 +243,8 @@ static int ohci_platform_probe(struct platform_device *dev) } #endif + pm_runtime_set_active(&dev->dev); + pm_runtime_enable(&dev->dev); if (pdata->power_on) { err = pdata->power_on(dev); if (err < 0) @@ -271,6 +274,7 @@ static int ohci_platform_probe(struct platform_device *dev) if (pdata->power_off) pdata->power_off(dev); err_reset: + pm_runtime_disable(&dev->dev); while (--rst >= 0) reset_control_assert(priv->resets[rst]); err_put_clks: @@ -292,6 +296,7 @@ static int ohci_platform_remove(struct platform_device *dev) struct ohci_platform_priv *priv = hcd_to_ohci_priv(hcd); int clk, rst; + pm_runtime_get_sync(&dev->dev); usb_remove_hcd(hcd); if (pdata->power_off) @@ -305,6 +310,9 @@ static int ohci_platform_remove(struct platform_device *dev) usb_put_hcd(hcd); + pm_runtime_put_sync(&dev->dev); + pm_runtime_disable(&dev->dev); + if (pdata == &ohci_platform_defaults) dev->dev.platform_data = NULL;