From patchwork Tue Jun 21 09:02:32 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amitkumar Karwar X-Patchwork-Id: 9190001 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 48D2960756 for ; Tue, 21 Jun 2016 09:15:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3488727D4D for ; Tue, 21 Jun 2016 09:15:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2890127FE4; Tue, 21 Jun 2016 09:15:06 +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 2936B27D4D for ; Tue, 21 Jun 2016 09:15:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751603AbcFUJPB (ORCPT ); Tue, 21 Jun 2016 05:15:01 -0400 Received: from mx0a-0016f401.pphosted.com ([67.231.148.174]:51439 "EHLO mx0a-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751586AbcFUJO4 (ORCPT ); Tue, 21 Jun 2016 05:14:56 -0400 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 u5L92Kst017659; Tue, 21 Jun 2016 02:03:51 -0700 Received: from sc-exch04.marvell.com ([199.233.58.184]) by mx0a-0016f401.pphosted.com with ESMTP id 23njdm7g2d-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 21 Jun 2016 02:03:50 -0700 Received: from SC-EXCH01.marvell.com (10.93.176.81) by SC-EXCH04.marvell.com (10.93.176.84) with Microsoft SMTP Server (TLS) id 15.0.1104.5; Tue, 21 Jun 2016 02:03:49 -0700 Received: from maili.marvell.com (10.93.176.43) by SC-EXCH01.marvell.com (10.93.176.81) with Microsoft SMTP Server id 15.0.1104.5 via Frontend Transport; Tue, 21 Jun 2016 02:03:49 -0700 Received: from pe-lt949 (unknown [10.31.130.198]) by maili.marvell.com (Postfix) with ESMTP id 6C43E3F7040; Tue, 21 Jun 2016 02:03:49 -0700 (PDT) Received: from pe-lt949 (localhost [127.0.0.1]) by pe-lt949 (8.14.4/8.14.4/Debian-4.1ubuntu1) with ESMTP id u5L93Ztq001914; Tue, 21 Jun 2016 14:33:35 +0530 Received: (from root@localhost) by pe-lt949 (8.14.4/8.14.4/Submit) id u5L93YAj001849; Tue, 21 Jun 2016 14:33:34 +0530 From: Amitkumar Karwar To: CC: Nishant Sarmukadam , Wei-Ning Huang , Cathy Luo , Shengzhen Li , Amitkumar Karwar Subject: [PATCH] mwifiex: disable MSIx interrupt for 8997 chipset Date: Tue, 21 Jun 2016 14:32:32 +0530 Message-ID: <1466499752-1818-1-git-send-email-akarwar@marvell.com> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-06-21_05:, , signatures=0 X-Proofpoint-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1606210108 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: Shengzhen Li Sometimes MSIx interrupts are received out of order on multi-core system. This creates a problem when there is a race between data packet and SLEEP event from firmware. We will disable MSIx interrupt mode to solve the problem and go with MSI mode. Signed-off-by: Shengzhen Li Signed-off-by: Amitkumar Karwar --- drivers/net/wireless/marvell/mwifiex/pcie.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.h b/drivers/net/wireless/marvell/mwifiex/pcie.h index 2592e63..9c00c7e 100644 --- a/drivers/net/wireless/marvell/mwifiex/pcie.h +++ b/drivers/net/wireless/marvell/mwifiex/pcie.h @@ -258,7 +258,7 @@ static const struct mwifiex_pcie_card_reg mwifiex_reg_8997 = { .fw_dump_end = 0xcff, .fw_dump_host_ready = 0xcc, .fw_dump_read_done = 0xdd, - .msix_support = 1, + .msix_support = 0, }; static struct memory_type_mapping mem_type_mapping_tbl_w8897[] = {