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 9B40D25A32D; Tue, 25 Feb 2025 07:51:32 +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=1740469892; cv=none; b=M/6xVnQICb2BZjqfxdQdWpVIIZ9Y4mF1U/kBputGqGjobUKSG6Ym5OuxnSGZhF/gOuNVSvMtfq+jkPkWTOmpghGtt98OnhZ/bHBEJ2wvHPF973mDcgROXs6KCfZzjY2UQz9Law/dF//HpSMC+6NRZDigspm9x5NNA5fpAazxjlY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740469892; c=relaxed/simple; bh=e2+1A+StkzfLCCel5frxscI5QVNiBlktYMKxy4nUtRU=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=VNcTZbwQ18UnKjl52KHIxeF/JmTgK/29/kvrBHNcJZLh53DLD3XEyjHl3q/w2M3Arya7G65oC8eeTyylX0WyIslx+snsb+eCE4TKwioqKuMytxzUede4/65E0ku0esv4rYaJ1KMoP9XZKO1XyU1xf1eoW28pUkEZPu0jYnPP20k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qsgE7zeT; 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="qsgE7zeT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7ED26C4CEE2; Tue, 25 Feb 2025 07:51:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740469892; bh=e2+1A+StkzfLCCel5frxscI5QVNiBlktYMKxy4nUtRU=; h=Date:Subject:To:References:From:In-Reply-To:From; b=qsgE7zeTur0CeHUbE6xMYk7Iu8Lv5GVrFDQKqMa94ooZDotUlfeuvEe3QbRv+/M2N EfjS0bDENCOpOwDF25PKvNY/iHPn9F3Z00i8h6Q/AQ1lbCtx4Jdnq+GhqNYvnC44Cp 1ApDdRUq3ha7+IPfWnPthoT/sCXKMBMuwLgHC2h77kEa5siyEbDHIk2jJihRfViX6X Iyhx3nDVH/+HL+xetd27f6U2EwK13eNWpUUggPIn/LJb2yrhB+x2K3wjJzSS+dw9U4 pHAedcVXu4W+OoaB/4D2XSPU7OxXM2C65ZbgCqCbpf4IDpAHKZnGE+4XXwb+2f46zz 1GePnrYyq17Dg== Message-ID: <58d978fb-fbbd-433f-9c4c-8d9db425ea9c@kernel.org> Date: Tue, 25 Feb 2025 08:51:26 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v9 2/3] reset: aspeed: register AST2700 reset auxiliary bus device To: Ryan Chen , Philipp Zabel , Michael Turquette , Stephen Boyd , Joel Stanley , Andrew Jeffery , Rob Herring , Krzysztof Kozlowski , Conor Dooley , "linux-clk@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-aspeed@lists.ozlabs.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" References: <20250224095506.2047064-1-ryan_chen@aspeedtech.com> <20250224095506.2047064-3-ryan_chen@aspeedtech.com> <71cf8012-3b77-43de-b8ac-54c84a97f9d3@kernel.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 25/02/2025 03:20, Ryan Chen wrote: >>>>> + >>>>> + return devm_add_action_or_reset(clk_dev, >>>>> +aspeed_reset_unregister_adev, adev); } >>>>> +EXPORT_SYMBOL_GPL(aspeed_reset_controller_register); >>>> >>>> No, you cannot export functions without users. There is no single >>>> user of this, so this is not justified at all. >>> My mistake, I missed patch #3 which uses it. >>> >>> I don't get why do you need to export this in the first place, instead >>> of putting it in the clock driver, as usually expected. Handling child >>> creation is logically the task of the device having children, the >>> parent. Not the child. >> >> Also, consider basing this on top of: >> >> https://lore.kernel.org/all/20250218-aux-device-create-helper-v4-0-c3d7dfdea >> 2e6@baylibre.com/ > > Hello, Base on this series, I will use adev = devm_auxiliary_device_create instead addev_alloc, adev_releas. > But it still have EXPORT_SYMBOL_GPL(aspeed_reset_controller_register); > Am I right? Why? It looks like you skipped entirely my message. It is the same over and over - respond to people comments... Best regards, Krzysztof