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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 7AAF7C43331 for ; Tue, 24 Mar 2020 13:25:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 53E43208E0 for ; Tue, 24 Mar 2020 13:25:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585056308; bh=L734DQCsAtgGBQaBPUMxvXOifmfHtf8bfxHJL/1XbNs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=J4vY4D69jvIHOkxA0mEUx27vzkR6VGI8boCFayCU248C5M+K0lPFYOHUjl3ds3zQx K5yWvtAwhgIvCybc8Ab3h0/njyqaBgV1asJuCrYESw0p4oIidZMHGhnWsywam8V234 s1nama/i0ylxlfNiQZjnIp6+qlogS+U9cR8oOMWw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729337AbgCXNZG (ORCPT ); Tue, 24 Mar 2020 09:25:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:49060 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729153AbgCXNZE (ORCPT ); Tue, 24 Mar 2020 09:25:04 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (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 97C37208CA; Tue, 24 Mar 2020 13:25:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585056304; bh=L734DQCsAtgGBQaBPUMxvXOifmfHtf8bfxHJL/1XbNs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YWtgM2jgajJVC02Xblk7Zkz7rzD4WbfjYsyffdozhABciXPOvSKMuAcczqIASz/Qz BVB9Yo4504xNdDQ7e8YTozDxn0Li//TzpcbCujjyeYiPI7+m/tS44pJYkNzEnh32bv eTp/q+ll59RBRXe1P9mJq7JdYKKOlz5+EqQoVzjc= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ran Wang , Stephen Boyd , Peter Chen Subject: [PATCH 5.5 046/119] usb: host: xhci-plat: add a shutdown Date: Tue, 24 Mar 2020 14:10:31 +0100 Message-Id: <20200324130812.926394473@linuxfoundation.org> X-Mailer: git-send-email 2.25.2 In-Reply-To: <20200324130808.041360967@linuxfoundation.org> References: <20200324130808.041360967@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 From: Ran Wang commit b433e340e7565110b0ce9ca4b3e26f4b97a1decf upstream. When loading new kernel via kexec, we need to shutdown host controller to avoid any un-expected memory accessing during new kernel boot. Signed-off-by: Ran Wang Cc: stable Tested-by: Stephen Boyd Reviewed-by: Peter Chen Link: https://lore.kernel.org/r/20200306092328.41253-1-ran.wang_1@nxp.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/xhci-plat.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -445,6 +445,7 @@ MODULE_DEVICE_TABLE(acpi, usb_xhci_acpi_ static struct platform_driver usb_xhci_driver = { .probe = xhci_plat_probe, .remove = xhci_plat_remove, + .shutdown = usb_hcd_platform_shutdown, .driver = { .name = "xhci-hcd", .pm = &xhci_plat_pm_ops,