Return-path: Received: from mail-pf0-f195.google.com ([209.85.192.195]:34879 "EHLO mail-pf0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761936AbcJaIC6 (ORCPT ); Mon, 31 Oct 2016 04:02:58 -0400 Received: by mail-pf0-f195.google.com with SMTP id s8so8097819pfj.2 for ; Mon, 31 Oct 2016 01:02:57 -0700 (PDT) From: Xinming Hu To: Linux Wireless Cc: Kalle Valo , Brian Norris , Dmitry Torokhov , Amitkumar Karwar , Cathy Luo , Brian Norris Subject: [PATCH 09/12] mwifiex: usb: handle HS failures Date: Mon, 31 Oct 2016 16:02:17 +0800 Message-Id: <1477900940-10549-9-git-send-email-huxinming820@marvell.com> (sfid-20161031_090306_217994_EFF26D68) In-Reply-To: <1477900940-10549-1-git-send-email-huxinming820@marvell.com> References: <1477900940-10549-1-git-send-email-huxinming820@marvell.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Brian Norris SDIO and PCIe drivers handle this. Let's imitate it. Not tested. Signed-off-by: Brian Norris --- 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 70126c3..c26daf4 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 -- 1.8.1.4