From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932998AbdDJQyS (ORCPT ); Mon, 10 Apr 2017 12:54:18 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:36918 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755763AbdDJQyP (ORCPT ); Mon, 10 Apr 2017 12:54:15 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Alexandre Bailon , Bin Liu , Sasha Levin Subject: [PATCH 4.10 092/110] usb: musb: da8xx: Fix host mode suspend Date: Mon, 10 Apr 2017 18:43:23 +0200 Message-Id: <20170410164206.335091568@linuxfoundation.org> X-Mailer: git-send-email 2.12.2 In-Reply-To: <20170410164201.247583164@linuxfoundation.org> References: <20170410164201.247583164@linuxfoundation.org> User-Agent: quilt/0.65 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Alexandre Bailon [ Upstream commit 486fc20ac8391338a42b015801b846acda4db7b7 ] On da8xx, VBUS is not maintained during suspend when musb is in host mode. On resume, all the connected devices will be disconnected and then will be enumerated again. This happens because MUSB_DEVCTL is cleared during suspend. Use the quirk MUSB_PRESERVE_SESSION to preseve MUSB_DEVCTL during suspend. Signed-off-by: Alexandre Bailon Signed-off-by: Bin Liu Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/usb/musb/da8xx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/usb/musb/da8xx.c +++ b/drivers/usb/musb/da8xx.c @@ -458,7 +458,7 @@ static inline u8 get_vbus_power(struct d } static const struct musb_platform_ops da8xx_ops = { - .quirks = MUSB_INDEXED_EP, + .quirks = MUSB_INDEXED_EP | MUSB_PRESERVE_SESSION, .init = da8xx_musb_init, .exit = da8xx_musb_exit,