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 1604BC4345F for ; Wed, 1 May 2024 16:35:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id: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=lYXyV8HwuO9wd9jEUIAEZE9P3ky7wxNDRRwSha9XwgE=; b=qpgMndFPDdkmLl M0Se7xpeSImgvmOs3GAElv5TyYukfxeDq/xNpJEaBjVPFnatc+gs4wL+9Do112OSIfaNwwuiOk08W qg6EyExo3CbBdJnFwwcggAHeZDY1FppbGr1xBevRop7b/eA3Kyc04ijS4TUC+tMTnec/qEdIAVMmI YraTZnw5UzpGVd7qyg+RMSkBulenKUPcHaWLsF0hiEimNP/dQVpdIBz80OECN9j5/vFzstre432af 3cN96VCJCjNh1JsVeJRE3gXaNZ0R2BC5eDqCln/uvFuZMiMX1JP01DzxRSaPN8dMthIkd6rdIGJSz +t12Ba4oS556rBwyMqQw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1s2CvM-0000000AAl4-0rl4; Wed, 01 May 2024 16:35:16 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1s2CvE-0000000AAhj-1WGP; Wed, 01 May 2024 16:35:09 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 8E2D9619B6; Wed, 1 May 2024 16:35:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A123FC072AA; Wed, 1 May 2024 16:34:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1714581307; bh=bjFD0rHxLsC2c7Uw5VnvdgzaWdEjNPdDAmFkEgyLG4E=; h=Date:Subject:List-Id:To:Cc:References:From:In-Reply-To:From; b=G1BQgOiwmAz/rQreDqB3fQkhY3McXS3qtH7HRtubCWgIsbrhT5mqOR3TtopXNkf84 wIocaw9hrFPybHdnYvEtfb+NBydjQrly76XIDBUfqEL1f5WwKSKdzANMm0/e/KfjAn QjgU4inFW6xPGpQ2+OhYi83rXZ6E4Lc7nJ54qRhJf3f/wwAiVNonz5MoVNbgJvHLtD ZgpRsGO/xLiDXgoBVuCZMhmobuIWTegqFGBRRNpiyj/HH8EySqGNgqwA1sDPDomArH cKCYjQdpoPXBjN3SEXFH2z1WLDZKFxXgrcAW72mzrbTfuXjZDaxMnR0qnpb+8hDsFl /oWKk4wwInhgQ== Message-ID: <34193501-5b7b-4ffd-8549-a04c6930d02d@kernel.org> Date: Wed, 1 May 2024 18:34:47 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 08/21] pinctrl: samsung: Use scope based of_node_put() cleanups To: "Peng Fan (OSS)" , Linus Walleij , Thierry Reding , Jonathan Hunter , Dvorkin Dmitry , Wells Lu , Maxime Coquelin , Alexandre Torgue , Emil Renner Berthing , Jianlong Huang , Hal Feng , Orson Zhai , Baolin Wang , Chunyan Zhang , Viresh Kumar , Shiraz Hashim , soc@kernel.org, Sylwester Nawrocki , Alim Akhtar , Geert Uytterhoeven , Patrice Chotard , Heiko Stuebner , Damien Le Moal , Ludovic Desroches , Nicolas Ferre , Alexandre Belloni , Claudiu Beznea , Dong Aisheng , Fabio Estevam , Shawn Guo , Jacky Bai , Pengutronix Kernel Team , Chester Lin , Matthias Brugger , Ghennadi Procopciuc , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno , Sascha Hauer , Andrew Jeffery , Joel Stanley , Dan Carpenter Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, linux-samsung-soc@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-riscv@lists.infradead.org, linux-mediatek@lists.infradead.org, imx@lists.linux.dev, linux-aspeed@lists.ozlabs.org, openbmc@lists.ozlabs.org, Peng Fan References: <20240501-pinctrl-cleanup-v1-0-797ceca46e5c@nxp.com> <20240501-pinctrl-cleanup-v1-8-797ceca46e5c@nxp.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; keydata= xsFNBFVDQq4BEAC6KeLOfFsAvFMBsrCrJ2bCalhPv5+KQF2PS2+iwZI8BpRZoV+Bd5kWvN79 cFgcqTTuNHjAvxtUG8pQgGTHAObYs6xeYJtjUH0ZX6ndJ33FJYf5V3yXqqjcZ30FgHzJCFUu JMp7PSyMPzpUXfU12yfcRYVEMQrmplNZssmYhiTeVicuOOypWugZKVLGNm0IweVCaZ/DJDIH gNbpvVwjcKYrx85m9cBVEBUGaQP6AT7qlVCkrf50v8bofSIyVa2xmubbAwwFA1oxoOusjPIE J3iadrwpFvsZjF5uHAKS+7wHLoW9hVzOnLbX6ajk5Hf8Pb1m+VH/E8bPBNNYKkfTtypTDUCj NYcd27tjnXfG+SDs/EXNUAIRefCyvaRG7oRYF3Ec+2RgQDRnmmjCjoQNbFrJvJkFHlPeHaeS BosGY+XWKydnmsfY7SSnjAzLUGAFhLd/XDVpb1Een2XucPpKvt9ORF+48gy12FA5GduRLhQU vK4tU7ojoem/G23PcowM1CwPurC8sAVsQb9KmwTGh7rVz3ks3w/zfGBy3+WmLg++C2Wct6nM Pd8/6CBVjEWqD06/RjI2AnjIq5fSEH/BIfXXfC68nMp9BZoy3So4ZsbOlBmtAPvMYX6U8VwD TNeBxJu5Ex0Izf1NV9CzC3nNaFUYOY8KfN01X5SExAoVTr09ewARAQABzSVLcnp5c3p0b2Yg S296bG93c2tpIDxrcnprQGtlcm5lbC5vcmc+wsGVBBMBCgA/AhsDBgsJCAcDAgYVCAIJCgsE FgIDAQIeAQIXgBYhBJvQfg4MUfjVlne3VBuTQ307QWKbBQJgPO8PBQkUX63hAAoJEBuTQ307 QWKbBn8P+QFxwl7pDsAKR1InemMAmuykCHl+XgC0LDqrsWhAH5TYeTVXGSyDsuZjHvj+FRP+ gZaEIYSw2Yf0e91U9HXo3RYhEwSmxUQ4Fjhc9qAwGKVPQf6YuQ5yy6pzI8brcKmHHOGrB3tP /MODPt81M1zpograAC2WTDzkICfHKj8LpXp45PylD99J9q0Y+gb04CG5/wXs+1hJy/dz0tYy iua4nCuSRbxnSHKBS5vvjosWWjWQXsRKd+zzXp6kfRHHpzJkhRwF6ArXi4XnQ+REnoTfM5Fk VmVmSQ3yFKKePEzoIriT1b2sXO0g5QXOAvFqB65LZjXG9jGJoVG6ZJrUV1MVK8vamKoVbUEe 0NlLl/tX96HLowHHoKhxEsbFzGzKiFLh7hyboTpy2whdonkDxpnv/H8wE9M3VW/fPgnL2nPe xaBLqyHxy9hA9JrZvxg3IQ61x7rtBWBUQPmEaK0azW+l3ysiNpBhISkZrsW3ZUdknWu87nh6 eTB7mR7xBcVxnomxWwJI4B0wuMwCPdgbV6YDUKCuSgRMUEiVry10xd9KLypR9Vfyn1AhROrq AubRPVeJBf9zR5UW1trJNfwVt3XmbHX50HCcHdEdCKiT9O+FiEcahIaWh9lihvO0ci0TtVGZ MCEtaCE80Q3Ma9RdHYB3uVF930jwquplFLNF+IBCn5JRzsFNBFVDXDQBEADNkrQYSREUL4D3 Gws46JEoZ9HEQOKtkrwjrzlw/tCmqVzERRPvz2Xg8n7+HRCrgqnodIYoUh5WsU84N03KlLue MNsWLJBvBaubYN4JuJIdRr4dS4oyF1/fQAQPHh8Thpiz0SAZFx6iWKB7Qrz3OrGCjTPcW6ei OMheesVS5hxietSmlin+SilmIAPZHx7n242u6kdHOh+/SyLImKn/dh9RzatVpUKbv34eP1wA GldWsRxbf3WP9pFNObSzI/Bo3kA89Xx2rO2roC+Gq4LeHvo7ptzcLcrqaHUAcZ3CgFG88CnA 6z6lBZn0WyewEcPOPdcUB2Q7D/NiUY+HDiV99rAYPJztjeTrBSTnHeSBPb+qn5ZZGQwIdUW9 YegxWKvXXHTwB5eMzo/RB6vffwqcnHDoe0q7VgzRRZJwpi6aMIXLfeWZ5Wrwaw2zldFuO4Dt 91pFzBSOIpeMtfgb/Pfe/a1WJ/GgaIRIBE+NUqckM+3zJHGmVPqJP/h2Iwv6nw8U+7Yyl6gU BLHFTg2hYnLFJI4Xjg+AX1hHFVKmvl3VBHIsBv0oDcsQWXqY+NaFahT0lRPjYtrTa1v3tem/ JoFzZ4B0p27K+qQCF2R96hVvuEyjzBmdq2esyE6zIqftdo4MOJho8uctOiWbwNNq2U9pPWmu 4vXVFBYIGmpyNPYzRm0QPwARAQABwsF8BBgBCgAmAhsMFiEEm9B+DgxR+NWWd7dUG5NDfTtB YpsFAmA872oFCRRflLYACgkQG5NDfTtBYpvScw/9GrqBrVLuJoJ52qBBKUBDo4E+5fU1bjt0 Gv0nh/hNJuecuRY6aemU6HOPNc2t8QHMSvwbSF+Vp9ZkOvrM36yUOufctoqON+wXrliEY0J4 ksR89ZILRRAold9Mh0YDqEJc1HmuxYLJ7lnbLYH1oui8bLbMBM8S2Uo9RKqV2GROLi44enVt vdrDvo+CxKj2K+d4cleCNiz5qbTxPUW/cgkwG0lJc4I4sso7l4XMDKn95c7JtNsuzqKvhEVS oic5by3fbUnuI0cemeizF4QdtX2uQxrP7RwHFBd+YUia7zCcz0//rv6FZmAxWZGy5arNl6Vm lQqNo7/Poh8WWfRS+xegBxc6hBXahpyUKphAKYkah+m+I0QToCfnGKnPqyYIMDEHCS/RfqA5 t8F+O56+oyLBAeWX7XcmyM6TGeVfb+OZVMJnZzK0s2VYAuI0Rl87FBFYgULdgqKV7R7WHzwD uZwJCLykjad45hsWcOGk3OcaAGQS6NDlfhM6O9aYNwGL6tGt/6BkRikNOs7VDEa4/HlbaSJo 7FgndGw1kWmkeL6oQh7wBvYll2buKod4qYntmNKEicoHGU+x91Gcan8mCoqhJkbqrL7+nXG2 5Q/GS5M9RFWS+nYyJh+c3OcfKqVcZQNANItt7+ULzdNJuhvTRRdC3g9hmCEuNSr+CLMdnRBY fv0= In-Reply-To: <20240501-pinctrl-cleanup-v1-8-797ceca46e5c@nxp.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240501_093508_529320_DC4257DD X-CRM114-Status: GOOD ( 14.27 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org On 01/05/2024 14:56, Peng Fan (OSS) wrote: > From: Peng Fan > > Use scope based of_node_put() cleanup to simplify code. > > Signed-off-by: Peng Fan > --- > drivers/pinctrl/samsung/pinctrl-exynos-arm.c | 3 +-- > drivers/pinctrl/samsung/pinctrl-exynos.c | 16 ++++------------ > drivers/pinctrl/samsung/pinctrl-s3c64xx.c | 8 ++------ > drivers/pinctrl/samsung/pinctrl-samsung.c | 26 +++++++------------------- > 4 files changed, 14 insertions(+), 39 deletions(-) > > diff --git a/drivers/pinctrl/samsung/pinctrl-exynos-arm.c b/drivers/pinctrl/samsung/pinctrl-exynos-arm.c > index 85ddf49a5188..9a57b3ceb536 100644 > --- a/drivers/pinctrl/samsung/pinctrl-exynos-arm.c > +++ b/drivers/pinctrl/samsung/pinctrl-exynos-arm.c > @@ -56,7 +56,7 @@ s5pv210_retention_init(struct samsung_pinctrl_drv_data *drvdata, > const struct samsung_retention_data *data) > { > struct samsung_retention_ctrl *ctrl; > - struct device_node *np; > + struct device_node *np __free(device_node) = NULL; > void __iomem *clk_base; > > ctrl = devm_kzalloc(drvdata->dev, sizeof(*ctrl), GFP_KERNEL); > @@ -71,7 +71,6 @@ s5pv210_retention_init(struct samsung_pinctrl_drv_data *drvdata, > } > > clk_base = of_iomap(np, 0); > - of_node_put(np); I don't think the code as simpler. Previous was very easy to read, obvious, no error paths. To me any conversion of such of_node_get immediately followed by of_node_put is unwelcomed. Easy code is being converted to complicated one. Best regards, Krzysztof _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip