From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=194.117.254.33 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794311206; b=t2fMs8nW0GNli+tcjsUj8ZfxwqWC02/XhwSj+eqOEqKYRCKvYxQLRSZ1KWFSUmXZTgv3 A12xMc5aTHFZBjCB4P8a3bUNPB0AwljJNUEafY6ecZN6vdGg1GvyO/jCtPPhinjT+6zoh LS0Zej0iMrcCtejdW5AKcm1j8J2kWfcFZBJqaH+Az1jT7y6mq39UWrUt41N6Tn/IlUxlB DJe3go4qXDRaxdIMklJl2DUtm8LXURWV9wu057lUwVNFnpkIIfjhll032lP2qfy5ZbsYo rKQ/qBYcGc0Mob06sna3vuij7Ifgxe9dXxg43ecyYx9kJeAp5hycPF2nwRkYF90z90A== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794311206; h=DMARC-Filter:DKIM-Signature:Received:Received:X-UD-Smtp-Session:Date: From:To:Cc:Subject:Message-ID:References:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; bh=+mxNaERwxQq956ZCj9Y5CcIlxgzFYJgtWrJGQcrIJDY=; b=jkwvYF7lZ1MSDYvTI8oaVPXxXyz5/TlvXF5kHshWGTWFBhiM7Zi1rbgNaROvefdqyYK3 1fZZLoA4c7Joq9R7dtmxNmxYhy4B0Ap75QgRE8S5fq/3TyPoXga581ic2TBDbtIuaPcql JatJDCKsvX0fWvVk9XUeQw4h76dcOdajPqZ/zedAKXKphEK/DnIog6v9prXx7BZSeubiT KDfewem1dqdMWyS/Et04vibVhHWJ5nGM9HwLxLDFQ5V8wYZHNgWc48xiMZy8o1XFXSaWK Z8RvsZi0Aj6ytrfLRq2LCh+NjOyi6m1bBeThepyusGkKmh9hONqz1jJdDPQssOxiGIA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none header.from=sang-engineering.com; spf=pass smtp.mailfrom=sang-engineering.com; dkim=pass header.d=sang-engineering.com header.i=@sang-engineering.com header.a=rsa-sha256 header.s=k1 header.b=boLWSXMu; arc=none smtp.remote-ip=194.117.254.33 Received: from mail.zeus03.de (zeus03.de [194.117.254.33]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 88168606A32E for ; Tue, 10 Nov 2026 11:46:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 88168606A32E Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=sang-engineering.com header.i=@sang-engineering.com header.a=rsa-sha256 header.s=k1 header.b=boLWSXMu DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to; s=k1; bh=+mxN aERwxQq956ZCj9Y5CcIlxgzFYJgtWrJGQcrIJDY=; b=boLWSXMuwS91DCg+uHyO Fu0C0fx99irHNc8zJj7ekPZ8psWctBUkyteJYXCXR9y6wlMA1I1+W9ipqVWJMp5/ TU8psAcibhYxjYfTtrxz6xEX4WfQHiEmblNl0NwhXRsBfqiI/FLNbE9x3cnooV97 I44pzuakGZiIK4dcDRBWcPv6M+PgIO+SOK5rkZM6irYks6Rcv1jT6ep+5CylG+I1 iGwsiu8brTgop5u+/R1VyvJUMDSUosx3Cmj9JOxeeCnVLtDa1K623nozvps5w3hH WYESphYyvj+NDAYLXZYMZQJg1Bp8ICIK2NTc2Gy+YvtvBlp2krRJZ9UOL/1hjG8C 6A== Received: (qmail 216367 invoked from network); 10 Nov 2026 12:46:43 +0100 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 10 Nov 2026 12:46:43 +0100 X-UD-Smtp-Session: l3s3148p1@xMHjoepfqogujnsO Date: Tue, 10 Nov 2026 12:46:43 +0100 From: Wolfram Sang To: Johan Hovold Cc: Andi Shyti , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 2/3] i2c: dev: drop unnecessary sysfs device lookup Message-ID: References: <20260827102043.673273-1-johan@kernel.org> <20260827102043.673273-3-johan@kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260827102043.673273-3-johan@kernel.org> On Thu, Aug 27, 2026 at 12:20:42PM +0200, Johan Hovold wrote: > The sysfs lifetime rules guarantees that the i2c-dev class device is > still valid while its attribute callbacks are executing so drop the > unnecessary reverse lookup. > > Signed-off-by: Johan Hovold Reviewed-by: Wolfram Sang