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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 5D758C43458 for ; Thu, 9 Jul 2026 11:58:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=IJl6jij5cX4a+/CxoRlIkv2OzMELA/ibbpEJDYkPFso=; b=vPhiu9x4FYAAWI2pXIe9FYt/L/ 8IVoKWNwGyr+Yz0u1Ot45UeIsnoeflPTUyZGRIdpvQQm+37YmnzD1UbGvV8EBGVfVYXbQNiMn8wUZ grf3rZKRxI9rGC95FtSkHdQrMTsdMGPueUyajy53SKK/8gxju+m/u9wZe2+VCOIgLGhwrmsuK+bea T8SpwgZzxh7syAC3/pK8ZhH72MCjZ/UrT2LcP6RmOEIhskD9k0L3gbU2wVquSiyjLq7ABl9IPchKi lL1aHlAupVPvFZucNTAyQ7uoko4ZuyWrmvpwyFfNEXV1EoKLtA/iMC7ILtk2cmWY5c8l+3D1if2zM Z9fJjNkg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1whnOc-00000002HaS-3NHZ; Thu, 09 Jul 2026 11:58:26 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1whnOb-00000002Ha9-2HCj; Thu, 09 Jul 2026 11:58:25 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:Content-Type :In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date:Message-ID: Sender:Reply-To:Content-ID:Content-Description; bh=IJl6jij5cX4a+/CxoRlIkv2OzMELA/ibbpEJDYkPFso=; b=QDhKkA0P9KFHYGcxCLhbe8rLqC 4lnCdULq+Anynjv/naiIvB7bJT5BtAwhyEt1HpDLen8u9WrN2smg6VqNsgKnfKFhHAxbq7KlWrUXN N6w6mq8aSDIpweabJz5nwfSynHuRVtizKtBrVVZvkcHOJFu6TOhiS6gGFzvvRR9+9SzlnSOyknnQ2 LwKx9DcAfjA+w0Ic7JUPHDMawt+4lJXgaqHDQAEtRb9shF2NtJvLFwE++aWk5sPE3w7L+WMJZ2sXj 1VIF8yqkRE5aVqWJD4zuURMAE8Y8T29okz5aCsCx4xYxPQhcPfU4NWu4v3PxqZmT7Z7roNA619G/q wG4Uj2rQ==; Received: from bali.collaboradmins.com ([2a01:4f8:201:9162::2]) by desiato.infradead.org with esmtps (Exim 4.99.2 #2 (Red Hat Linux)) id 1whnOT-00000009AvV-2gpW; Thu, 09 Jul 2026 11:58:21 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1783598295; bh=0l8hKYZsEJCMBNL+X7+mtDqQz8nsijJQ7qlJBYs68jw=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=ZDjPdkfSK69yVmIaEAk1+TJxeZr8mt+7OsHyjIIl6rYXJv89ODdh/Z/fyjs99nt48 EgJ2tCrQzWssQva7MvmvBfhnY22o3ASoF/lkc8XCza3wyxbJDCE2KEAttCXIeNr7AH xQlVvlT4eFsXxZdtbQ3e+FucWTc0XjMTi5O+grXYz9Q8ea4Q4MrCvQtPf8U6VHI9Qh QDyEzfGWZNgIUR7IqF/sCl8gxbbplLYyfNhdajB3mSrrwxhuv/vUuDtVlN9CWonlyk NkG5x1h/e/R0ZFtXZffqJWlyZRnAjfYLQ5UGkXdwJ5JmjewOR+U9LvGbjJq84oGfOJ GOi8azvVyfV1Q== Received: from [100.64.1.21] (unknown [100.64.1.21]) (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 bali.collaboradmins.com (Postfix) with ESMTPSA id ADF0D17E019E; Thu, 09 Jul 2026 13:58:14 +0200 (CEST) Message-ID: Date: Thu, 9 Jul 2026 13:58:14 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH 1/3] dt-bindings: pinctrl: mt8516/mt8167: Move compatibles from mt66xx to mt6795 To: Luca Leonardo Scorcia , Conor Dooley Cc: linux-mediatek@lists.infradead.org, Sean Wang , Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <20260625104742.113803-1-l.scorcia@gmail.com> <20260625104742.113803-2-l.scorcia@gmail.com> <20260625-cameo-siamese-cd78c349519c@spud> <20260625-unearth-suffering-e2c59d39da0f@spud> From: AngeloGioacchino Del Regno Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260709_125817_905421_E151E291 X-CRM114-Status: GOOD ( 12.37 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 6/26/26 11:12, Luca Leonardo Scorcia wrote: >> Usually when making ABI changes because something was inaccurate (but >> not wrong to the point that it didn't work at all) it's possible to >> support both new and old ABIs at the same time because of new properties >> etc. This is a difficult one because it's using the same properties in >> different ways. A new compatible would definitely be required for a >> genuine fresh start while retaining kernel support for the old mechanism >> in this case. > > All things considered, the cleanest solution seems to be adding a new > compatible, mark the old one as deprecated and also try to fix the old > driver code. I'll try to do that before submitting again. > Thank you for your help! You can skip the "fix the old driver code" part. The only users here are demo boards that aren't even used that much and besides, they're even hard to find. Cheers, Angelo