From patchwork Thu May 22 06:29:38 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: George Cherian X-Patchwork-Id: 4220651 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 CC7FF9F32A for ; Thu, 22 May 2014 06:32:42 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0F9AF20127 for ; Thu, 22 May 2014 06:32:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2346520123 for ; Thu, 22 May 2014 06:32:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751784AbaEVGbb (ORCPT ); Thu, 22 May 2014 02:31:31 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:39631 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751417AbaEVGb3 (ORCPT ); Thu, 22 May 2014 02:31:29 -0400 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id s4M6VRUt010793; Thu, 22 May 2014 01:31:27 -0500 Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id s4M6VRnQ006817; Thu, 22 May 2014 01:31:27 -0500 Received: from dlep32.itg.ti.com (157.170.170.100) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.3.174.1; Thu, 22 May 2014 01:31:27 -0500 Received: from george-pc.apr.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id s4M6VCa8006881; Thu, 22 May 2014 01:31:25 -0500 From: George Cherian To: , , CC: , , , , George Cherian Subject: [PATCH v5 3/6] usb: musb: dsps: Call usb_phy(_shutdown/_init) during musb_platform_reset() Date: Thu, 22 May 2014 11:59:38 +0530 Message-ID: <1400740181-31213-4-git-send-email-george.cherian@ti.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1400740181-31213-1-git-send-email-george.cherian@ti.com> References: <1400740181-31213-1-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 For DSPS platform usb_phy_vbus(_off/_on) are NOPs. So during musb_platform_reset() call usb_phy(_shutdown/_init) Signed-off-by: George Cherian --- drivers/usb/musb/musb_dsps.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index 51beb13..74c4193 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -543,7 +543,11 @@ static void dsps_musb_reset(struct musb *musb) const struct dsps_musb_wrapper *wrp = glue->wrp; dsps_writel(musb->ctrl_base, wrp->control, (1 << wrp->reset)); - udelay(100); + usleep_range(100, 200); + usb_phy_shutdown(musb->xceiv); + usleep_range(100, 200); + usb_phy_init(musb->xceiv); + } static struct musb_platform_ops dsps_ops = {