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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 9C9D3C27C4F for ; Thu, 13 Jun 2024 08:33:03 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sHfsX-0003XV-OM; Thu, 13 Jun 2024 04:32:17 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sHfsW-0003XL-4t for qemu-devel@nongnu.org; Thu, 13 Jun 2024 04:32:16 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sHfsT-0004Hs-EE for qemu-devel@nongnu.org; Thu, 13 Jun 2024 04:32:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1718267532; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=gvJ9jT6BLyJ8H9/e0/fWq8pXxOt7LQpLNrBjCCG58jE=; b=i7CYQ6Ha3jN1XLTRmte3+IIXBinS9s0mPLd73Uq1eyE7PZ317vSAm2xFhWpaPM7Fd3rnlc FdIPLkAtbg7aauMTw8kg6wAD8gvIEjpbkQ3DMrBDiHNsd2RTZEhYrfuY+qHcfwdDiPwMZR YGeuMrNiT7VSxVNHDx8zjbquO62868w= Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-592-WK4u0LdDNVGKfJRtApFd0w-1; Thu, 13 Jun 2024 04:32:02 -0400 X-MC-Unique: WK4u0LdDNVGKfJRtApFd0w-1 Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 69C7F1955D60; Thu, 13 Jun 2024 08:31:59 +0000 (UTC) Received: from blackfin.pond.sub.org (unknown [10.39.192.93]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id AD7F6196BE89; Thu, 13 Jun 2024 08:31:58 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 859DC21E6757; Thu, 13 Jun 2024 10:31:56 +0200 (CEST) From: Markus Armbruster To: Alex =?utf-8?Q?Benn=C3=A9e?= Cc: Daniel P. =?utf-8?Q?Berrang=C3=A9?= , Gerd Hoffmann , qemu-devel@nongnu.org, Paolo Bonzini , Eduardo Habkost , Eric Blake Subject: Re: [PATCH v3 2/4] usb/hub: mark as deprecated In-Reply-To: <87r0d2w431.fsf@draig.linaro.org> ("Alex =?utf-8?Q?Benn=C3=A9?= =?utf-8?Q?e=22's?= message of "Wed, 12 Jun 2024 16:52:50 +0100") References: <20240606143010.1318226-1-kraxel@redhat.com> <20240606143010.1318226-3-kraxel@redhat.com> <87r0d2w431.fsf@draig.linaro.org> Date: Thu, 13 Jun 2024 10:31:56 +0200 Message-ID: <87o785b5vn.fsf@pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Received-SPF: pass client-ip=170.10.133.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: 11 X-Spam_score: 1.1 X-Spam_bar: + X-Spam_report: (1.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.143, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Alex Benn=C3=A9e writes: > Daniel P. Berrang=C3=A9 writes: > >> On Thu, Jun 06, 2024 at 04:30:08PM +0200, Gerd Hoffmann wrote: >>> The hub supports only USB 1.1. When running out of usb ports it is in >>> almost all cases the much better choice to add another usb host adapter >>> (or increase the number of root ports when using xhci) instead of using >>> the usb hub. >> >> Is that actually a strong enough reason to delete this device though ? >> This reads like its merely something we don't expect to be commonly >> used, rather than something we would actively want to delete. > > This does seem quite aggressive because there may be cases when users > explicitly want to use old devices. Maybe there is need for a third > state (better_alternatives?) so we can steer users away from old command > lines they may have picked up from the web to the modern alternative? What exactly do we mean when we call something deprecated? For me, it means "you should not normally use this". Important special case: "because we intend to remove it." But there can be other cases, say "because will serve you better".