Return-path: Received: from mail-pf0-f194.google.com ([209.85.192.194]:36062 "EHLO mail-pf0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755708AbcKJL6A (ORCPT ); Thu, 10 Nov 2016 06:58:00 -0500 Received: by mail-pf0-f194.google.com with SMTP id n85so3971901pfi.3 for ; Thu, 10 Nov 2016 03:58:00 -0800 (PST) From: Xinming Hu To: Linux Wireless Cc: Kalle Valo , Brian Norris , Dmitry Torokhov , Amitkumar Karwar , Cathy Luo , Brian Norris Subject: [PATCH RESEND v2 08/11] mwifiex: usb: handle HS failures Date: Thu, 10 Nov 2016 19:57:09 +0800 Message-Id: <1478779032-5165-8-git-send-email-huxinming820@marvell.com> (sfid-20161110_125818_186837_3743295D) In-Reply-To: <1478779032-5165-1-git-send-email-huxinming820@marvell.com> References: <1478779032-5165-1-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 --- v2: Same as v1 --- 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 -- 1.8.1.4