From patchwork Wed May 15 15:20:38 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Brandt X-Patchwork-Id: 10944967 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DBC57933 for ; Wed, 15 May 2019 15:41:15 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CD1772845C for ; Wed, 15 May 2019 15:41:15 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CB4742847F; Wed, 15 May 2019 15:41:15 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, 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 73F6B28471 for ; Wed, 15 May 2019 15:41:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728231AbfEOPlO (ORCPT ); Wed, 15 May 2019 11:41:14 -0400 Received: from pbmsgap02.intersil.com ([192.157.179.202]:51706 "EHLO pbmsgap02.intersil.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727454AbfEOPlN (ORCPT ); Wed, 15 May 2019 11:41:13 -0400 Received: from pps.filterd (pbmsgap02.intersil.com [127.0.0.1]) by pbmsgap02.intersil.com (8.16.0.27/8.16.0.27) with SMTP id x4FFCHJq019290; Wed, 15 May 2019 11:21:29 -0400 Received: from pbmxdp02.intersil.corp (pbmxdp02.pb.intersil.com [132.158.200.223]) by pbmsgap02.intersil.com with ESMTP id 2sdrjcb6gr-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 15 May 2019 11:21:29 -0400 Received: from pbmxdp01.intersil.corp (132.158.200.222) by pbmxdp02.intersil.corp (132.158.200.223) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.1531.3; Wed, 15 May 2019 11:21:28 -0400 Received: from localhost.localdomain (132.158.202.108) by pbmxdp01.intersil.corp (132.158.200.222) with Microsoft SMTP Server id 15.1.1531.3 via Frontend Transport; Wed, 15 May 2019 11:21:27 -0400 From: Chris Brandt To: Rob Herring , Mark Rutland , Greg Kroah-Hartman , Simon Horman , Yoshihiro Shimoda CC: Geert Uytterhoeven , Sergei Shtylyov , Chunfeng Yun , Kuninori Morimoto , , , , "Chris Brandt" Subject: [PATCH v4 03/13] phy: renesas: rcar-gen3-usb2: Check dr_mode when not using OTG Date: Wed, 15 May 2019 10:20:38 -0500 Message-ID: <20190515152048.42363-4-chris.brandt@renesas.com> X-Mailer: git-send-email 2.16.1 In-Reply-To: <20190515152048.42363-1-chris.brandt@renesas.com> References: <20190515152048.42363-1-chris.brandt@renesas.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-05-15_10:,, signatures=0 X-Proofpoint-Spam-Details: rule=junk_notspam policy=junk score=0 suspectscore=2 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1905150094 X-Proofpoint-Spam-Reason: mlx Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP When not using OTG, the PHY will need to know if it should function as host or peripheral by checking dr_mode in the PHY node (not the parent controller node). Signed-off-by: Chris Brandt Reviewed-by: Yoshihiro Shimoda Reviewed-by: Simon Horman --- v4: * added reviewed-by v3: * changed 'if' to 'switch' * use rcar_gen3_set_host_mode() instead of writel() v2: * added braces to else statement * check if dr_mode is "host" --- drivers/phy/renesas/phy-rcar-gen3-usb2.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/phy/renesas/phy-rcar-gen3-usb2.c b/drivers/phy/renesas/phy-rcar-gen3-usb2.c index 06e0fc804226..29da9c46ad9b 100644 --- a/drivers/phy/renesas/phy-rcar-gen3-usb2.c +++ b/drivers/phy/renesas/phy-rcar-gen3-usb2.c @@ -412,6 +412,18 @@ static int rcar_gen3_phy_usb2_init(struct phy *p) if (rcar_gen3_needs_init_otg(channel)) rcar_gen3_init_otg(channel); rphy->otg_initialized = true; + } else { + /* Not OTG, so dr_mode should be set in PHY node */ + switch (usb_get_dr_mode(channel->dev)) { + case USB_DR_MODE_HOST: + rcar_gen3_set_host_mode(channel, 1); + break; + case USB_DR_MODE_PERIPHERAL: + rcar_gen3_set_host_mode(channel, 0); + break; + default: + break; + } } rphy->initialized = true;