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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 32AAFEB64D9 for ; Thu, 29 Jun 2023 17:23:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230504AbjF2RXC (ORCPT ); Thu, 29 Jun 2023 13:23:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54476 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229865AbjF2RW7 (ORCPT ); Thu, 29 Jun 2023 13:22:59 -0400 Received: from wout2-smtp.messagingengine.com (wout2-smtp.messagingengine.com [64.147.123.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8AC4D10C9; Thu, 29 Jun 2023 10:22:58 -0700 (PDT) Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.west.internal (Postfix) with ESMTP id 42FED320099B; Thu, 29 Jun 2023 13:22:56 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute4.internal (MEProxy); Thu, 29 Jun 2023 13:22:58 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kroah.com; h=cc :cc:content-type:content-type:date:date:from:from:in-reply-to :in-reply-to:message-id:mime-version:references:reply-to:sender :subject:subject:to:to; s=fm2; t=1688059375; x=1688145775; bh=Cw E2wcHANU3ek6A8gHn/xl6f0ODbgDTZqECgroPgqbw=; b=KmPDis3AAUdV73TLXo 3OgDknDtNClg5x81qOb965Qm5cYr8IvBdXhGCvghC6eXv81fiE9fG56quzNDzZst /45f3i/zaf2LLN5iCHJQZ/RK3D1QpoqRKUl+8v1fSucJTUF6UJfVar0BDZCQ20Hn l+liTEg46Hsd1sng3DdI97pvvFC3kwBWeDW3nwt/uejkcN0J/mk/Y1a8yJDS8bqa JMIAxG1Gnlpsr2aM/GkAJzYUPxYnlfZSJ7ZZs6WeYDdcEX6dmVN2SHx0DfUmQX73 G3/KbHUY0HSz5fHQkbbibFsIsYYtYvP9Y4nJ7mqAHyX83IHBR3X55NcLf7C5gli7 p6xg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:content-type:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:sender:subject :subject:to:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm2; t=1688059375; x=1688145775; bh=CwE2wcHANU3ek 6A8gHn/xl6f0ODbgDTZqECgroPgqbw=; b=P60oOGRwftxmCUZrRzMi4jW32xc8n x/eFQb0AcAT1TPGPGifej8BeSyum6UHdShIH8Vel+XbjhTR6dFf6fx7hhL9eYBHC 8AxQHRCA40a+Q3uWnXXz5wYSAgyTbjqkEjfI8xiy8QVcpXMJy9WWReqY2RA84cCp iGz5Lv/Sb8T2zUE0+ISKl2EI4124iK2EICFrWM3mG4XV0hFRnJHrWmi8Ljtg2xhc VNaBBAhLyGJZq/4zvRjcmREb60gX9pXeNRgxuGni8h4vTsd/Bfbbkp8fH8aNDhg6 ubhKsArA6i2l9ey7ciIKEqbX0PU9A/Roz60ygeg9HF4tQ2CLdynNmpM7A== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedviedrtdeggdduuddvucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvfevuffkfhggtggujgesthdtredttddtvdenucfhrhhomhepifhrvghg ucfmjfcuoehgrhgvgheskhhrohgrhhdrtghomheqnecuggftrfgrthhtvghrnhepheegvd evvdeljeeugfdtudduhfekledtiefhveejkeejuefhtdeufefhgfehkeetnecuvehluhhs thgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepghhrvghgsehkrhhorg hhrdgtohhm X-ME-Proxy: Feedback-ID: i787e41f1:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 29 Jun 2023 13:22:53 -0400 (EDT) Date: Thu, 29 Jun 2023 19:22:51 +0200 From: Greg KH To: Mark Brown Cc: Srinivas Kandagatla , johan+linaro@kernel.org, perex@perex.cz, tiwai@suse.com, lgirdwood@gmail.com, ckeepax@opensource.cirrus.com, kuninori.morimoto.gx@renesas.com, linux-kernel@vger.kernel.org, pierre-louis.bossart@linux.intel.com, alsa-devel@alsa-project.org, Stable@vger.kernel.org Subject: Re: [PATCH] ASoC: qdsp6: q6apm: use dai link pcm id as pcm device number Message-ID: <2023062958-thumping-ambulance-7a2f@gregkh> References: <20230628092404.13927-1-srinivas.kandagatla@linaro.org> <2023062940-snore-brick-419b@gregkh> <9699a960-74b0-4064-b264-6cde06cd16fc@sirena.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9699a960-74b0-4064-b264-6cde06cd16fc@sirena.org.uk> Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Thu, Jun 29, 2023 at 05:16:44PM +0100, Mark Brown wrote: > On Thu, Jun 29, 2023 at 06:06:05PM +0200, Greg KH wrote: > > On Thu, Jun 29, 2023 at 04:43:57PM +0100, Mark Brown wrote: > > > > Won't this be an ABI change? That seems like it'd disrupt things in > > > stable. > > > ABI changes should disrupt things just the same in Linus's tree, why is > > stable any different? > > This is a numbering resulting from enumeration thing so it gets to be > like the issues we've had with the order in which block and ethernet > devices appear, it's on the edge the extent to which people might be > relying on it. If it's causing some problem as is and there's a reason > to do something (see the first half of my reply...) but the case gets > even harder to make with stable. It shouldn't matter for stable or not, if the change is acceptable in Linus's tree, with the userspace visable change, then it should be acceptable in any active stable branch as well. There is no difference here for userspace api/abi rules. thanks, greg k-h