From patchwork Mon May 26 09:20:08 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: George Cherian X-Patchwork-Id: 4240801 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 562A09F1E7 for ; Mon, 26 May 2014 09:24:22 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8AF95201CE for ; Mon, 26 May 2014 09:24:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B51592016C for ; Mon, 26 May 2014 09:24:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752207AbaEZJYA (ORCPT ); Mon, 26 May 2014 05:24:00 -0400 Received: from arroyo.ext.ti.com ([192.94.94.40]:59726 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751941AbaEZJVt (ORCPT ); Mon, 26 May 2014 05:21:49 -0400 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id s4Q9LlfN020275; Mon, 26 May 2014 04:21:48 -0500 Received: from DLEE70.ent.ti.com (dlemailx.itg.ti.com [157.170.170.113]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id s4Q9LlOA009954; Mon, 26 May 2014 04:21:47 -0500 Received: from dlep33.itg.ti.com (157.170.170.75) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.3.174.1; Mon, 26 May 2014 04:21:47 -0500 Received: from george-pc.apr.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id s4Q9Lf0E006391; Mon, 26 May 2014 04:21:45 -0500 From: George Cherian To: , , CC: , , , , George Cherian Subject: [PATCH v6 1/5] usb: musb: core: Handle Babble condition only in HOST mode Date: Mon, 26 May 2014 14:50:08 +0530 Message-ID: <1401096012-6895-2-git-send-email-george.cherian@ti.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1401096012-6895-1-git-send-email-george.cherian@ti.com> References: <1401096012-6895-1-git-send-email-george.cherian@ti.com> MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP BABBLE and RESET share the same interrupt. The interrupt is considered to be RESET if MUSB is in peripheral mode and as a BABBLE if MUSB is in HOST mode. Handle babble condition iff MUSB is in HOST mode. Signed-off-by: George Cherian Tested-by: Tony Lindgren --- drivers/usb/musb/musb_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 3c6043c..0ad9551 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -849,7 +849,7 @@ b_host: } /* handle babble condition */ - if (int_usb & MUSB_INTR_BABBLE) + if (int_usb & MUSB_INTR_BABBLE && is_host_active(musb)) schedule_work(&musb->recover_work); #if 0