From patchwork Fri Feb 3 11:55:14 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Linyu Yuan X-Patchwork-Id: 13127408 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46A20C636CC for ; Fri, 3 Feb 2023 11:55:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231672AbjBCLz3 (ORCPT ); Fri, 3 Feb 2023 06:55:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46346 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229782AbjBCLz2 (ORCPT ); Fri, 3 Feb 2023 06:55:28 -0500 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9B720172F for ; Fri, 3 Feb 2023 03:55:27 -0800 (PST) Received: from pps.filterd (m0279871.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 313BjmhB010118; Fri, 3 Feb 2023 11:55:23 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=Dayg+CV8csAY0kw/fEGKxPXOs2t3qyqga/LOVApJBE0=; b=MY4Q/t9TGd8YJHU0mmdXGgF/5mnMGURDxd+SZ1scUq8AAjXVZ40TIOIdKqTVqyC9x904 DV8cIDbJgVv79v307C82jsOwIRkALqUEhoOqiirRA74MXYCD1a1L4ciHvhDNS/lAEdxT Q6+6EjwXBTwe2Nv5eoDrWvm4wWuVhypBfkrs/+pBjgU+nWImRSxBkcHQgKAtbJlNuDfH Tt/z2tXfWhFYfgg3+AMbzXmdM21QnAxEE8QemsqkOUakjHgQZOnsx+VexBCHVmhJrJak OdTW74+SP4CEJeV7jyxy2OMH4TU2Q2fUQCUhG+Kldq7ID4E4OPkXUK3IWUSCwWvCzwE/ 6g== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3ng969u5ak-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 03 Feb 2023 11:55:22 +0000 Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 313BtLfN020001 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 3 Feb 2023 11:55:21 GMT Received: from linyyuan-gv.qualcomm.com (10.80.80.8) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.36; Fri, 3 Feb 2023 03:55:19 -0800 From: Linyu Yuan To: Heikki Krogerus , Greg Kroah-Hartman CC: , Jack Pham , "Wesley Cheng" , Pratham Pratap , Linyu Yuan Subject: [PATCH v2] usb: roles: disable pm for role switch device Date: Fri, 3 Feb 2023 19:55:14 +0800 Message-ID: <1675425314-13857-1-git-send-email-quic_linyyuan@quicinc.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: 2MkrozJ4sIcwapg-cu3xH4FljRH6aSKy X-Proofpoint-GUID: 2MkrozJ4sIcwapg-cu3xH4FljRH6aSKy X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.122.1 definitions=2023-02-03_08,2023-02-03_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 lowpriorityscore=0 suspectscore=0 impostorscore=0 priorityscore=1501 mlxlogscore=587 malwarescore=0 bulkscore=0 adultscore=0 spamscore=0 clxscore=1015 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2302030108 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org there is no PM operation for a role switch device, call device_set_pm_not_required() in usb_role_switch_register() to disable. Signed-off-by: Linyu Yuan Reviewed-by: Heikki Krogerus --- v2: remove cc stable drivers/usb/roles/class.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/roles/class.c b/drivers/usb/roles/class.c index eacb46e..b303c64 100644 --- a/drivers/usb/roles/class.c +++ b/drivers/usb/roles/class.c @@ -344,6 +344,7 @@ usb_role_switch_register(struct device *parent, dev_set_drvdata(&sw->dev, desc->driver_data); dev_set_name(&sw->dev, "%s-role-switch", desc->name ? desc->name : dev_name(parent)); + device_set_pm_not_required(&sw->dev); ret = device_register(&sw->dev); if (ret) {