From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,T_DKIMWL_WL_HIGH,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DE121C072B1 for ; Thu, 30 May 2019 03:41:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AA2F224BF8 for ; Thu, 30 May 2019 03:41:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559187690; bh=eLnA3TCUZw3mt9N2WqAhU+mxgcnznVC7qAxRzjMRZv4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=mfe+qAZOGV3ST/B6swBzOHYCLy3vHnp5GXOgCX0URgXCXLMIlgxFePa3GHiXtCprh RVhMdEuw5cWsVNTXe4jP1EOPhpOzIqWxF55sFBTo1H+Fgjl7aaaLA5v9k/PQJC8Bsl l4QXCjYtCksFIrOW67CPSVzODfCbRD1pqMbNwFT8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728259AbfE3DlT (ORCPT ); Wed, 29 May 2019 23:41:19 -0400 Received: from mail.kernel.org ([198.145.29.99]:34356 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732526AbfE3DVV (ORCPT ); Wed, 29 May 2019 23:21:21 -0400 Received: from localhost (ip67-88-213-2.z213-88-67.customer.algx.net [67.88.213.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 28DEB248FC; Thu, 30 May 2019 03:21:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559186480; bh=eLnA3TCUZw3mt9N2WqAhU+mxgcnznVC7qAxRzjMRZv4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xWECkO40a9SGJb880MbdY39kIjo2QJRnVvWRvLBvw2tynECUTs2WHD0V6xMdOjW0U Xxbl3u8R5UhvD7g7acHUgNmxdKNRsKwRlyEGbXMprOPVDaJsT4m9Xlew0iXeVPbhtM xy3Aj5NigvlnZih0REUBIOiHtd6H2rKvLL8dMLrc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Tony Lindgren , Alan Stern , Sasha Levin Subject: [PATCH 4.9 116/128] usb: core: Add PM runtime calls to usb_hcd_platform_shutdown Date: Wed, 29 May 2019 20:07:28 -0700 Message-Id: <20190530030455.379251731@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190530030432.977908967@linuxfoundation.org> References: <20190530030432.977908967@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org [ Upstream commit 8ead7e817224d7832fe51a19783cb8fcadc79467 ] If ohci-platform is runtime suspended, we can currently get an "imprecise external abort" on reboot with ohci-platform loaded when PM runtime is implemented for the SoC. Let's fix this by adding PM runtime support to usb_hcd_platform_shutdown. Signed-off-by: Tony Lindgren Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/core/hcd.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index bdb0d7a08ff9b..1dd4c65e9188a 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -3033,6 +3033,9 @@ usb_hcd_platform_shutdown(struct platform_device *dev) { struct usb_hcd *hcd = platform_get_drvdata(dev); + /* No need for pm_runtime_put(), we're shutting down */ + pm_runtime_get_sync(&dev->dev); + if (hcd->driver->shutdown) hcd->driver->shutdown(hcd); } -- 2.20.1