From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 41A48176FA7; Fri, 20 Sep 2024 13:27:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726838854; cv=none; b=FnxOhGWzJr+x/xxr2mpp9VHFF4MD2g+teN+9C/317Ry9l7NGoKAH16k+BLnPi8nl5+Xv/5LdiWsbkgVL2Tt9YGYDsPxczVzGRB1+1dNQdcj7/ScqYNgRyiKfFnABL/xDyEbTEsu03XbEzqIngAXZr1RgewH/0wNlOF64AsqX2vs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726838854; c=relaxed/simple; bh=niOtjG2YTN1Iz90NyfU/TevFq3qo+cQql7x0uhAxvxE=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=X8lK/7iODilZxyQCbedOkpcUFyCN8AuW51rJGY5Tban7CTGpXLWekjXy6G6ZyLektUkP9KqqGlBLgMp5eM30hG95NoDTxO9SdeKSoK64iyxaG3AUMMdRc7jzXAtsTXAU/8YUI+alFKnbg+V6YgpksoWotM5r9HW8CI/qN7k5jWo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=r7lA9l+G; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="r7lA9l+G" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 872B7C4CEC3; Fri, 20 Sep 2024 13:27:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1726838853; bh=niOtjG2YTN1Iz90NyfU/TevFq3qo+cQql7x0uhAxvxE=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=r7lA9l+GV49kpeOJuZyPEhuTucuILKRo42ENLKHrhjdIGoUNsw6HEiSJbZu4oXgPu ds9VWTK0fPT4FR4o9bVWiv7AbzXZQk33LBc1ci34fqo7dtxeNrEG2zsFwNpFFpdHep u+vfqAT1znd9n9AAliO+iSMebecw+g7Gcd5clYO3wsINPwDyfvupxUxUnfsL+eFhuQ x1zU2qxd4ZPSm7cNyEGhI78jGDw8U2L+rwDDNxMgL3HBLwa3oYyx71g0VlruIfU5kJ wG1TWJxO1hmKWuzjrapjGtLEfvEfcESP2zni97kCzgzziAMeYnf+MM5qBhkOlSPGFT KMEqXeicxaUkA== Message-ID: Date: Fri, 20 Sep 2024 15:27:26 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 0/2] clk: imx93: Move IMX93_CLK_END macro to clk driver To: Abel Vesa , Pengfei Li Cc: krzk+dt@kernel.org, robh@kernel.org, abelvesa@kernel.org, mturquette@baylibre.com, sboyd@kernel.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, ping.bai@nxp.com, ye.li@nxp.com, peng.fan@nxp.com, aisheng.dong@nxp.com, frank.li@nxp.com, kernel@pengutronix.de, festevam@gmail.com, linux-clk@vger.kernel.org, imx@lists.linux.dev, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20240627082426.394937-1-pengfei.li_1@nxp.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 29/08/2024 09:07, Abel Vesa wrote: > On 24-06-27 16:24:24, Pengfei Li wrote: >> 'IMX93_CLK_END' macro was previously defined in imx93-clock.h to >> indicate the number of clocks, but it is not part of the ABI, so >> it should be moved to clk driver. >> > > Right, why? > > All other providers have been using the _CLK_END from the bindings > header. What is so special about this ? AFAICT, nothing. Because usually we do no consider number of clocks as an ABI. For starters it does no really appear in DTS. But what's more important - new clocks are described later, which contradicts this define. So either this is an ABI or it is not. If it is, you are not allowed to add any new clock. If it is not, then this should have never been part of bindings. We did the same (removal of END/NUM macros) for several other platforms already. Best regards, Krzysztof