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[2620:137:e000::1:20]) by mx.google.com with ESMTP id z5-20020a1709064e0500b00991cb7517bbsi8321009eju.947.2023.08.01.04.16.09; Tue, 01 Aug 2023 04:16:34 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@collabora.com header.s=mail header.b=O1TA0pbi; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=collabora.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234259AbjHAKzl (ORCPT + 99 others); Tue, 1 Aug 2023 06:55:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34998 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232784AbjHAKzR (ORCPT ); Tue, 1 Aug 2023 06:55:17 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BB89444A5; Tue, 1 Aug 2023 03:51:03 -0700 (PDT) Received: from [192.168.1.100] (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id D37016607122; Tue, 1 Aug 2023 11:50:11 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1690887012; bh=r8bUKLs/EE1Lr5TkhgdyZ8FacCjO5cv92z/FxABnHRA=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=O1TA0pbiRUz6id7CDQeQ4Kb2EG1N0P3GJP2ZPoJbv18Um79Ubci5JFxMBnEeV876z 6LK6FzlK5JwBTXdYdUIHUtuuApmLXVEFj2aYEazaWed3B5exMA6HvMQYCOLZ9CLJQ+ VdbekA4xchcar+2QV75oqnUZcjBXsTx0X4irxY1E3Ztg1JCs9kVVyPNrBheTPeNiLz Cl0AsSWHkyexJ9GGcEoF+nLddVfI7hf3RQBn5tX+RwvYhIEnOkf405//Pz95fRT2WV mHg7VdOF/GmttfGoz4FMbRUdQNIPdymux2ACBVmCyDJ5qZeitPdhKpXFIB9wCLtBNV kPsLqCzGa+jsg== Message-ID: <144125c0-4524-5617-dbb0-bf2575f56d4a@collabora.com> Date: Tue, 1 Aug 2023 12:50:08 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: Re: [v2] usb: common: usb-conn-gpio: Prevent bailing out if initial role is none To: Prashanth K , Greg Kroah-Hartman , Heikki Krogerus Cc: Matthias Brugger , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org References: <1690869695-32018-1-git-send-email-quic_prashk@quicinc.com> Content-Language: en-US From: AngeloGioacchino Del Regno In-Reply-To: <1690869695-32018-1-git-send-email-quic_prashk@quicinc.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Il 01/08/23 08:01, Prashanth K ha scritto: > Currently if we bootup a device without cable connected, then > usb-conn-gpio won't call set_role() since last_role is same as > current role. This happens because during probe last_role gets > initialised to zero. > > To avoid this, add a new flag initial_detection in the struct > usb_conn_info, which prevents from bailing out during initial > detection. > > Fixes: 4602f3bff266 ("usb: common: add USB GPIO based connection detection driver") > Signed-off-by: Prashanth K MediaTek platforms: Tested-by: AngeloGioacchino Del Regno