From patchwork Fri Nov 11 13:10:15 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amitkumar Karwar X-Patchwork-Id: 9423013 X-Patchwork-Delegate: kvalo@adurom.com 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 7C809601C0 for ; Fri, 11 Nov 2016 13:11:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6F96129876 for ; Fri, 11 Nov 2016 13:11:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6401729A9D; Fri, 11 Nov 2016 13:11:45 +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 3237529936 for ; Fri, 11 Nov 2016 13:11:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756671AbcKKNLm (ORCPT ); Fri, 11 Nov 2016 08:11:42 -0500 Received: from mx0a-0016f401.pphosted.com ([67.231.148.174]:45890 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756412AbcKKNLl (ORCPT ); Fri, 11 Nov 2016 08:11:41 -0500 Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id uABD9Uhu011181; Fri, 11 Nov 2016 05:11:38 -0800 Received: from sc-exch01.marvell.com ([199.233.58.181]) by mx0a-0016f401.pphosted.com with ESMTP id 26n98js9va-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Fri, 11 Nov 2016 05:11:38 -0800 Received: from SC-EXCH02.marvell.com (10.93.176.82) by SC-EXCH01.marvell.com (10.93.176.81) with Microsoft SMTP Server (TLS) id 15.0.1104.5; Fri, 11 Nov 2016 05:11:37 -0800 Received: from maili.marvell.com (10.93.176.43) by SC-EXCH02.marvell.com (10.93.176.82) with Microsoft SMTP Server id 15.0.1104.5 via Frontend Transport; Fri, 11 Nov 2016 05:11:37 -0800 Received: from pe-lt949 (unknown [10.31.130.253]) by maili.marvell.com (Postfix) with ESMTP id D71583F703F; Fri, 11 Nov 2016 05:11:36 -0800 (PST) Received: from pe-lt949 (piotr-probook.localdomain [127.0.0.1]) by pe-lt949 (8.14.4/8.14.4/Debian-4.1ubuntu1) with ESMTP id uABDBMVX004401; Fri, 11 Nov 2016 18:41:23 +0530 Received: (from root@localhost) by pe-lt949 (8.14.4/8.14.4/Submit) id uABDBMBV004400; Fri, 11 Nov 2016 18:41:22 +0530 From: Amitkumar Karwar To: CC: Cathy Luo , Nishant Sarmukadam , , , , Brian Norris , Amitkumar Karwar Subject: [PATCH v3 08/11] mwifiex: usb: handle HS failures Date: Fri, 11 Nov 2016 18:40:15 +0530 Message-ID: <1478869818-4340-8-git-send-email-akarwar@marvell.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1478869818-4340-1-git-send-email-akarwar@marvell.com> References: <1478869818-4340-1-git-send-email-akarwar@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-11-11_02:, , signatures=0 X-Proofpoint-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1609300000 definitions=main-1611110236 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Brian Norris SDIO and PCIe drivers handle this. Let's imitate it. Signed-off-by: Brian Norris Tested-by: Xinming Hu Signed-off-by: Amitkumar Karwar --- v3: Same as v1 and v2 --- drivers/net/wireless/marvell/mwifiex/usb.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/marvell/mwifiex/usb.c b/drivers/net/wireless/marvell/mwifiex/usb.c index 671702c..8bcfd92 100644 --- a/drivers/net/wireless/marvell/mwifiex/usb.c +++ b/drivers/net/wireless/marvell/mwifiex/usb.c @@ -521,7 +521,14 @@ static int mwifiex_usb_suspend(struct usb_interface *intf, pm_message_t message) mwifiex_dbg(adapter, WARN, "Device already suspended\n"); - mwifiex_enable_hs(adapter); + /* Enable the Host Sleep */ + if (!mwifiex_enable_hs(adapter)) { + mwifiex_dbg(adapter, ERROR, + "cmd: failed to suspend\n"); + adapter->hs_enabling = false; + return -EFAULT; + } + /* 'is_suspended' flag indicates device is suspended. * It must be set here before the usb_kill_urb() calls. Reason