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=-10.0 required=3.0 tests=BAYES_00,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=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 307A4C433EC for ; Mon, 20 Jul 2020 16:36:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0750520734 for ; Mon, 20 Jul 2020 16:36:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595262961; bh=O7oxE+ZgMEmpcUAPuTEVSBn4PvQogEjRMMdnjHQfhDw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=SZ0idz8yHXK1EmK+goqvZM1X2u5oTVByMlDMby87eOWEvIwR/fc5Alh8106ogiXUO +QCnGWVgnx9kUVR8jH71cpSveRQBLKqrZeUaqtbbjSOPcwgnojytCbc1gY4R4V/nWv 5hCFCOQyHEfSXfZyXufLGHM3XXtZBtDsIZBzW7G0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731468AbgGTPxe (ORCPT ); Mon, 20 Jul 2020 11:53:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:51894 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731185AbgGTPx2 (ORCPT ); Mon, 20 Jul 2020 11:53:28 -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 689552064B; Mon, 20 Jul 2020 15:53:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595260408; bh=O7oxE+ZgMEmpcUAPuTEVSBn4PvQogEjRMMdnjHQfhDw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vFDlqkDc37cD7JxBFtFBp29CsRnF+ll4VuomUl6R5rkpWKlcMYHWsROHhSPocAQsW 757hmxLanf+NJ8QNzbzX7uH2MaAo3mALXs7IU/Bd/0/lVQoLajZzoWTZGJLglzf7/b APd+JDwyrHbjIfFDCkr7T+Ks615toOiVpJIt4AxU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Frank Mori Hess , Alan Stern , Doug Anderson , Minas Harutyunyan , Felipe Balbi Subject: [PATCH 4.19 091/133] usb: dwc2: Fix shutdown callback in platform Date: Mon, 20 Jul 2020 17:37:18 +0200 Message-Id: <20200720152808.121397489@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200720152803.732195882@linuxfoundation.org> References: <20200720152803.732195882@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Minas Harutyunyan commit 4fdf228cdf6925af45a2066d403821e0977bfddb upstream. To avoid lot of interrupts from dwc2 core, which can be asserted in specific conditions need to disable interrupts on HW level instead of disable IRQs on Kernel level, because of IRQ can be shared between drivers. Cc: stable@vger.kernel.org Fixes: a40a00318c7fc ("usb: dwc2: add shutdown callback to platform variant") Tested-by: Frank Mori Hess Reviewed-by: Alan Stern Reviewed-by: Doug Anderson Reviewed-by: Frank Mori Hess Signed-off-by: Minas Harutyunyan Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/dwc2/platform.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -349,7 +349,8 @@ static void dwc2_driver_shutdown(struct { struct dwc2_hsotg *hsotg = platform_get_drvdata(dev); - disable_irq(hsotg->irq); + dwc2_disable_global_interrupts(hsotg); + synchronize_irq(hsotg->irq); } /**