From patchwork Mon Feb 4 08:59:47 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Chen X-Patchwork-Id: 2089831 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id 828DEDFE82 for ; Mon, 4 Feb 2013 09:04:21 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1U2HvI-0006NT-Ip; Mon, 04 Feb 2013 09:01:08 +0000 Received: from tx2ehsobe004.messaging.microsoft.com ([65.55.88.14] helo=tx2outboundpool.messaging.microsoft.com) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1U2Hun-0006A5-0x for linux-arm-kernel@lists.infradead.org; Mon, 04 Feb 2013 09:00:37 +0000 Received: from mail88-tx2-R.bigfish.com (10.9.14.240) by TX2EHSOBE011.bigfish.com (10.9.40.31) with Microsoft SMTP Server id 14.1.225.23; Mon, 4 Feb 2013 09:00:34 +0000 Received: from mail88-tx2 (localhost [127.0.0.1]) by mail88-tx2-R.bigfish.com (Postfix) with ESMTP id 92C37A02B3; Mon, 4 Feb 2013 09:00:34 +0000 (UTC) X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPV:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-SpamScore: 0 X-BigFish: VS0(zzzz1ee6h1de0h1202h1e76h1d1ah1d2ahzz8275bhz2dh2a8h668h839hd24he5bhf0ah1288h12a5h12a9h12bdh12e5h1354h137ah139eh13b6h1441h1504h1537h162dh1631h1758h1898h18e1h1946h1155h) Received: from mail88-tx2 (localhost.localdomain [127.0.0.1]) by mail88-tx2 (MessageSwitch) id 135996843273136_9778; Mon, 4 Feb 2013 09:00:32 +0000 (UTC) Received: from TX2EHSMHS006.bigfish.com (unknown [10.9.14.249]) by mail88-tx2.bigfish.com (Postfix) with ESMTP id 0B595240057; Mon, 4 Feb 2013 09:00:32 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by TX2EHSMHS006.bigfish.com (10.9.99.106) with Microsoft SMTP Server (TLS) id 14.1.225.23; Mon, 4 Feb 2013 09:00:31 +0000 Received: from az84smr01.freescale.net (10.64.34.197) by 039-SN1MMR1-002.039d.mgd.msft.net (10.84.1.15) with Microsoft SMTP Server (TLS) id 14.2.318.3; Mon, 4 Feb 2013 09:00:30 +0000 Received: from localhost.localdomain (nchen-desktop.ap.freescale.net [10.192.242.40]) by az84smr01.freescale.net (8.14.3/8.14.0) with ESMTP id r148xplR030176; Mon, 4 Feb 2013 02:00:25 -0700 From: Peter Chen To: Subject: [PATCH v7 5/8] usb: chipidea: udc: add pullup/pulldown dp at hw_device_state Date: Mon, 4 Feb 2013 16:59:47 +0800 Message-ID: <1359968390-317-6-git-send-email-peter.chen@freescale.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1359968390-317-1-git-send-email-peter.chen@freescale.com> References: <1359968390-317-1-git-send-email-peter.chen@freescale.com> MIME-Version: 1.0 X-OriginatorOrg: freescale.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130204_040037_199514_E92672DE X-CRM114-Status: UNSURE ( 9.86 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.2 (-) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-1.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [65.55.88.14 listed in list.dnswl.org] 3.0 KHOP_BIG_TO_CC Sent to 10+ recipients instaed of Bcc or a list -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: marex@denx.de, m.grzeschik@pengutronix.de, gregkh@linuxfoundation.org, pkondeti@codeaurora.org, linux-usb@vger.kernel.org, balbi@ti.com, mkl@pengutronix.de, kernel@pengutronix.de, matt@genesi-usa.com, shawn.guo@linaro.org, festevam@gmail.com, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org - During the connect/disconnect host, we need to pullup and pulldown dp - Make sure the dp is not pullup until the vbus is on when flag CI13XXX_PULLUP_ON_VBUS is set - Using hw_device_state when set run/stop bit Signed-off-by: Peter Chen --- drivers/usb/chipidea/udc.c | 10 ++++++++-- 1 files changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index e82dae4..597ae64 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -91,8 +91,10 @@ static int hw_device_state(struct ci13xxx *ci, u32 dma) /* interrupt, error, port change, reset, sleep/suspend */ hw_write(ci, OP_USBINTR, ~0, USBi_UI|USBi_UEI|USBi_PCI|USBi_URI|USBi_SLI); + hw_write(ci, OP_USBCMD, USBCMD_RS, USBCMD_RS); } else { hw_write(ci, OP_USBINTR, ~0, 0); + hw_write(ci, OP_USBCMD, USBCMD_RS, 0); } return 0; } @@ -1424,10 +1426,14 @@ static int ci13xxx_pullup(struct usb_gadget *_gadget, int is_on) { struct ci13xxx *ci = container_of(_gadget, struct ci13xxx, gadget); + if ((ci->platdata->flags & CI13XXX_PULLUP_ON_VBUS) && + !ci->vbus_active) + return -ENOTSUPP; + if (is_on) - hw_write(ci, OP_USBCMD, USBCMD_RS, USBCMD_RS); + hw_device_state(ci, ci->ep0out->qh.dma); else - hw_write(ci, OP_USBCMD, USBCMD_RS, 0); + hw_device_state(ci, 0); return 0; }