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 6C36C18D63E; Mon, 10 Mar 2025 11:43:39 +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=1741607019; cv=none; b=urnipCVDvPJGzOhqUPeX1mJ0CnhxRBtvjpTkb40iGPx4M9KkIoOeRK56SY2ZZlTyPS7ul3g4TgIHnpVKitCMK5MUWFJVha8gGAZRvPZ/JxiBwxsQoXpo6G0L4AXCJPpn6ugTuFwEzP1AczjKS7JPkj2e6FVBewoo/fUrzevXNy0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741607019; c=relaxed/simple; bh=tQwFxFodDyYLTyLCaNMHIBv2+xezKs5dn2xjZoV+LO8=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=NKUd8rm/rD6guJ15FixWFxFYPfiyH8/CpdEBEnrEf4IhuB9lDegDY8a4+DsFEuBNVWxUz1TBA/XWcHEJnGNmkFax4D8Y4arnF6R4fapCrrrDHqmRAMHgYfzGG9pfY5Gn82WXeWO5FSHwTcyzbq5m/bSS64Z4Xw0S0GxMn9WQobQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Y1fF+ejS; 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="Y1fF+ejS" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A9FDCC4CEE5; Mon, 10 Mar 2025 11:43:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741607019; bh=tQwFxFodDyYLTyLCaNMHIBv2+xezKs5dn2xjZoV+LO8=; h=Date:Subject:To:References:From:In-Reply-To:From; b=Y1fF+ejSeQjhZG03rGEzTxp4uHwG4FJ88H+cfBpnOWdfhlXWFidYySRC0n7RvTvY8 o78WgeYmEpny+6uUDNOEAM4GBB56bsnkguIYCeaAJDgmdYZ9IbxZiogpahqH2Rtynb UdI36etroRrla+LhumrlCCR1Dmdc2Z/6RdfAp6kv/Lb9F8vKZHT740yXpJXvU04MVJ 0PA/LAXPiuLAr2gmuVNGQ8bQW+RqKEZXJC+pQZdsZbSqBKMStOFVYJO2GSRquFZ9lZ ubOB9bhKTjJ51nuW3AEa8PGsaROhbykS+YoofW9AbNWH485bqFvsdB7lZNOICaiNgL 0zb9KBCim9gnQ== Message-ID: <58466532-3e17-4968-bade-210f478ccc76@kernel.org> Date: Mon, 10 Mar 2025 12:43:29 +0100 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 3/3] soc: aspeed: lpc-pcc: Add PCC controller support To: Kevin Chen , "lee@kernel.org" , "robh@kernel.org" , "krzk+dt@kernel.org" , "conor+dt@kernel.org" , "joel@jms.id.au" , "andrew@codeconstruct.com.au" , "derek.kiernan@amd.com" , "dragan.cvetic@amd.com" , "arnd@arndb.de" , "gregkh@linuxfoundation.org" , "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-aspeed@lists.ozlabs.org" , "linux-kernel@vger.kernel.org" References: <20250304104434.481429-1-kevin_chen@aspeedtech.com> <20250304104434.481429-4-kevin_chen@aspeedtech.com> <2fd83d68-7104-4755-a0f0-8ce4a2601e09@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 10/03/2025 11:05, Kevin Chen wrote: >> On 04/03/2025 11:44, Kevin Chen wrote: >>> + >>> +static int aspeed_pcc_probe(struct platform_device *pdev) { >>> + int rc; >>> + struct aspeed_pcc_ctrl *pcc; >>> + struct device *dev; >>> + uint32_t fifo_size = PAGE_SIZE; >>> + >>> + dev = &pdev->dev; >> >> This goes to declaration. > OK. I will move it to declaration. > >> >>> + >>> + pcc = devm_kzalloc(&pdev->dev, sizeof(*pcc), GFP_KERNEL); >> >> Maybe my previous comment was not clear, but you agreed with it. Anyway >> nothing improved here. > Could I reserve the pcc variable using for the pcc_ctrl data structure? > Pcc_ctrl data include the regmap/irq/io_port/dma/kfifo. > If I change the name to dev, it does not make sense for these data to be. > >> >> If you have 'dev' variable, use it. > Do you mean just use the pdev->dev not local dev variable? What is the point of this: dev = &pdev->dev; if you do not use 'dev'? If you come with a reason, sure. If you do not have such, then everything should use 'dev', not pdev->dev. Best regards, Krzysztof