From mboxrd@z Thu Jan 1 00:00:00 1970 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CA358CCD193 for ; Thu, 23 Oct 2025 09:04:47 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E2A3410E02F; Thu, 23 Oct 2025 09:04:46 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="Mv7BkrUj"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id C673D10E02F for ; Thu, 23 Oct 2025 09:04:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1761210285; x=1792746285; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=q0bSQQY5SwYrEmcp4I13QmQfjO3pwF0ctbdE1M1LmXE=; b=Mv7BkrUjH2x/fESL1JdFHflSCduGNhB+h2o//c9ot0OC/JkrL9ur4ZHZ 5WvtGInSONw//P6E0NY3gWGDLEEoGZQlfQwRKK/HL4Pefw0KABZTKMlvR yn4Yyze9+YCXqNYp6sJ3qkkxE3JeFgUehtcyVv0+zryRT9g8uix0l25wP cv9Mi6No/nUPN8hITCiXA6hoBElxoEF37IGr6KWV7rP1Vq+N0Nwb0Wep1 cQxfrhu9GNzy8PX9NSxSZOxQNur9HZBisW3zfm/fQ4ag5BXkBpBuLUzHT UvvX0U8taZqjifBtcZiN87QONU4AcIPnx/jjMzwlFafTeRxt0lJ9HeQgf Q==; X-CSE-ConnectionGUID: ql+79OhQQLmMBEn6rNpmTA== X-CSE-MsgGUID: xvpA0ZsGRvOMuPsRXZmcfA== X-IronPort-AV: E=McAfee;i="6800,10657,11586"; a="86000465" X-IronPort-AV: E=Sophos;i="6.19,249,1754982000"; d="scan'208";a="86000465" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Oct 2025 02:04:45 -0700 X-CSE-ConnectionGUID: XCuwvFI+SqK9YXh418DnrA== X-CSE-MsgGUID: +Dw2Sy/hQ4+K8k1hORJSyA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,249,1754982000"; d="scan'208";a="183709423" Received: from bkammerd-mobl.amr.corp.intel.com (HELO kuha.fi.intel.com) ([10.124.221.165]) by orviesa009.jf.intel.com with SMTP; 23 Oct 2025 02:04:35 -0700 Received: by kuha.fi.intel.com (sSMTP sendmail emulation); Thu, 23 Oct 2025 12:04:33 +0300 Date: Thu, 23 Oct 2025 12:04:33 +0300 From: Heikki Krogerus To: Chaoyi Chen Cc: Greg Kroah-Hartman , Dmitry Baryshkov , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Vinod Koul , Kishon Vijay Abraham I , Heiko Stuebner , Sandy Huang , Andy Yan , Yubing Zhang , Frank Wang , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Amit Sunil Dhamne , Chaoyi Chen , Dragan Simic , Johan Jonker , Diederik de Haas , Peter Robinson , linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, dri-devel@lists.freedesktop.org Subject: Re: [PATCH v7 1/9] usb: typec: Add notifier functions Message-ID: References: <20251023033009.90-1-kernel@airkyi.com> <20251023033009.90-2-kernel@airkyi.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Thu, Oct 23, 2025 at 11:10:20AM +0300, Heikki Krogerus wrote: > Hi, > > > diff --git a/include/linux/usb/typec_notify.h b/include/linux/usb/typec_notify.h > > new file mode 100644 > > index 000000000000..a3f1f3b3ae47 > > --- /dev/null > > +++ b/include/linux/usb/typec_notify.h > > @@ -0,0 +1,17 @@ > > +/* SPDX-License-Identifier: GPL-2.0 */ > > + > > +#ifndef __USB_TYPEC_NOTIFY > > +#define __USB_TYPEC_NOTIFY > > + > > +#include > > + > > +enum usb_typec_event { > > + TYPEC_ALTMODE_REGISTERED > > +}; > > Don't you need to know when the altmode is removed? I noticed that you don't because drm_dp_hpd_bridge_register() is always resource managed. But I think you could still send an event also when the altmode is removed already now. That way it does not need to be separately added if and when it is needed. thanks, -- heikki