From patchwork Fri May 28 06:11:00 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chunfeng Yun X-Patchwork-Id: 12286215 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 895A5C4708C for ; Fri, 28 May 2021 06:11:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 686336135F for ; Fri, 28 May 2021 06:11:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235580AbhE1GMr (ORCPT ); Fri, 28 May 2021 02:12:47 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:42192 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S234985AbhE1GMo (ORCPT ); Fri, 28 May 2021 02:12:44 -0400 X-UUID: e38e83c380864fcd8482e91697d9d339-20210528 X-UUID: e38e83c380864fcd8482e91697d9d339-20210528 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 130472459; Fri, 28 May 2021 14:11:07 +0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkmbs06n1.mediatek.inc (172.21.101.129) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 28 May 2021 14:11:06 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 28 May 2021 14:11:05 +0800 From: Chunfeng Yun To: Greg Kroah-Hartman CC: Chunfeng Yun , Matthias Brugger , , , , , Eddie Hung Subject: [PATCH 5/5] usb: mtu3: skip getting extcon when use manual drd switch Date: Fri, 28 May 2021 14:11:00 +0800 Message-ID: <1622182260-23767-5-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1622182260-23767-1-git-send-email-chunfeng.yun@mediatek.com> References: <1622182260-23767-1-git-send-email-chunfeng.yun@mediatek.com> MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org When use manual drd switch, extcon is not used in fact, so no need get it even it exists, just skip it like using role switch. Signed-off-by: Chunfeng Yun --- drivers/usb/mtu3/mtu3_plat.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/usb/mtu3/mtu3_plat.c b/drivers/usb/mtu3/mtu3_plat.c index eaeda391693a..bbfabdc1e79b 100644 --- a/drivers/usb/mtu3/mtu3_plat.c +++ b/drivers/usb/mtu3/mtu3_plat.c @@ -299,7 +299,10 @@ static int get_ssusb_rscs(struct platform_device *pdev, struct ssusb_mtk *ssusb) of_property_read_bool(node, "enable-manual-drd"); otg_sx->role_sw_used = of_property_read_bool(node, "usb-role-switch"); - if (!otg_sx->role_sw_used && of_property_read_bool(node, "extcon")) { + if (otg_sx->role_sw_used || otg_sx->manual_drd_enabled) + goto out; + + if (of_property_read_bool(node, "extcon")) { otg_sx->edev = extcon_get_edev_by_phandle(ssusb->dev, 0); if (IS_ERR(otg_sx->edev)) { return dev_err_probe(dev, PTR_ERR(otg_sx->edev),