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 31EE3167D98; Wed, 28 Aug 2024 13:08:10 +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=1724850491; cv=none; b=pjTlCur+rHq5DTaLosRTHI+lospovEVA5Mek4jhq7fHblO6iScrqWxfMrH25SpQhxzxZw3PfRP25urlIxesQnUqm8usauClzuGI6drP3hZfMEaySrPQxVw2P7c1Tgl6cv/5/9e7OAt+OuUAHq5RWBE82tN3aJ+NK0EvL9zlZ0vU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724850491; c=relaxed/simple; bh=yaNMXXdjBE6xh1aUs25Qs6gO9zLIC6OHaKFtHsr955o=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=gevC1FDvxiACCwBEdudWdrdXZmrndb/VhbZ1xYNi6pydr0Im76+/6q0jWHsXLMb8jQHtrU+794smxhXJ1M0EPy/FWpT6EndshrcqTrUufZhnfV5Ko7pqqBTwXMtnOm/2VkhCo5k2fh4zwizikUHn4TfiESUFjTjQsxADDJlAErk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HAiFsDAs; 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="HAiFsDAs" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 61077C98ED2; Wed, 28 Aug 2024 13:08:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1724850490; bh=yaNMXXdjBE6xh1aUs25Qs6gO9zLIC6OHaKFtHsr955o=; h=Date:Subject:To:References:From:In-Reply-To:From; b=HAiFsDAsdF6t7Xr1B5cQxHIoAefJ28SjkFhQBQF4eSkwJ+O3/qPXsAzl8y6+7bSl+ 5F1i/Uagd/+9ocbcLtsfK9+LJieLzSUeAA5W6zuBoKfKKJ3jrffhVEFu6lORyJ/Fso iMxBYrLXxZjj2JxqgrsZJIWCrW54u3r6krNcNxajHPbJe8YqfxfS+5NQ0gaBPSc3ZC J0j+eTXai3PJG5r9AHMuY5K0SuFjwp+OLQ27EoHVYUhxtBRmSrKvSsmAXmfgoIFs4C tXdrHXFznFJuLS0Fudu/zUXiSBgWi888cb0KE5ukbrNnlPdsFsXkbPZOAMj/oFLUD7 DX4KzuN7rxfLQ== Message-ID: <32e8ef50-ae45-4001-92b6-1e9e0608b402@kernel.org> Date: Wed, 28 Aug 2024 15:08:02 +0200 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 -next 2/8] soc: fsl: cpm1: Simplify with dev_err_probe() To: Jinjie Ruan , andrew@lunn.ch, sebastian.hesselbarth@gmail.com, gregory.clement@bootlin.com, herve.codina@bootlin.com, qiang.zhao@nxp.com, christophe.leroy@csgroup.eu, thierry.reding@gmail.com, jonathanh@nvidia.com, nm@ti.com, ssantosh@kernel.org, petlozup@nvidia.com, pshete@nvidia.com, christophe.jaillet@wanadoo.fr, ulf.hansson@linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-tegra@vger.kernel.org, jic23@kernel.org References: <20240827114607.4019972-1-ruanjinjie@huawei.com> <20240827114607.4019972-3-ruanjinjie@huawei.com> <87abe3f1-3cf2-4331-8dde-a422716dd94a@kernel.org> <97ff8c02-1a97-7974-06fa-edb35437707d@huawei.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: <97ff8c02-1a97-7974-06fa-edb35437707d@huawei.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 28/08/2024 03:58, Jinjie Ruan wrote: > > > On 2024/8/27 21:50, Krzysztof Kozlowski wrote: >> On 27/08/2024 13:46, Jinjie Ruan wrote: >>> Use the dev_err_probe() helper to simplify error handling during probe. >>> This also handle scenario, when EDEFER is returned and useless error >>> is printed. >> >> ? Sorry, this cannot happen. Please point to below code which can defer. >> > > Thank you! > > This is not referring to a specific one, but rather the benefits it > offers，simplify code is the main purpose, if necessary, it will be > removed in next version. It just feels like you are doing these in machine way without actually knowing concepts behind dev_err_probe(). Best regards, Krzysztof