Return-path: Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]:37957 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752605AbcKROD2 (ORCPT ); Fri, 18 Nov 2016 09:03:28 -0500 From: Amitkumar Karwar To: CC: Cathy Luo , Nishant Sarmukadam , , , , Brian Norris , Amitkumar Karwar Subject: [PATCH v4 08/11] mwifiex: usb: handle HS failures Date: Fri, 18 Nov 2016 19:30:31 +0530 Message-ID: <1479477634-27841-8-git-send-email-akarwar@marvell.com> (sfid-20161118_150331_222415_2C4A208D) In-Reply-To: <1479477634-27841-1-git-send-email-akarwar@marvell.com> References: <1479477634-27841-1-git-send-email-akarwar@marvell.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: 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 --- v4: Same as v1, v2, v3 --- 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 64a4020..55e3a01 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 -- 1.9.1