From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (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 F2BB11EE01A; Sun, 10 May 2026 10:07:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778407661; cv=none; b=SQNBFsCsXimA0bTdgExM9vUqJRfI/bE8yNpd/V3IrhmRgaZE9MmYhcW/ySdsbGzatnjv6MUB/aHESvKHiFxhpms4Lwbf9kvt+EP2daiHEHoGriRpHUcRlTcKWCo1FpBujHyzsqLpYj/RKg2OZAPshJjTVmTk3Ov/m2Sq7R/49/Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778407661; c=relaxed/simple; bh=4tph0zy3cNEHlCYe18lSKwujBZx0a7J4karvXTYGrE8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=IC/T7N9DjmSFa82AJDWGx37woNF2idNGzf08n8wNe1Qb25gR+D8OrxWWHLZu1BJWsgRECMOYdrx6nqBpB9IK6UknECq1gpK5oCEudpMfiA5XMTc0835WD8JPEUnlIy2tiu5x++4irXHj3M50VxgaWlxopbOOE0IznZH+LIBdPYY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=e5RMGs0+; arc=none smtp.client-ip=198.175.65.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="e5RMGs0+" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1778407660; x=1809943660; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=4tph0zy3cNEHlCYe18lSKwujBZx0a7J4karvXTYGrE8=; b=e5RMGs0+3bWK6V26AckrwiGvF+WD6nLwLjsb6u/GM1YUY3h+MzHNQXzw +g3tynYEkccdbw8KJpxFakBwIyLnSqqmnejgMTUnpgR901woOITIUl4WI pc0E8PLmROjyJ2tHeKiMvyhJFAlP8ij0kmW8A8tru1JoEyHKC/bYr9XW1 myWF6qNtLYvOevWCJ48Sm1wibI189iIZZWQyCaD1n0vYhERcztWR6InBC tOLYxu4PoT+BP+Jff2Qg0R9krdRQ0cWSK9SYk3H2ws9HjmoH1tYF1v6PG sZRHdBKxf/YVuZrEDthoWqt+miYU92m1DRQg22R5KaVwiox9dmFgdjaPK Q==; X-CSE-ConnectionGUID: 84pCywhOQy2jWBRNQ6r/jw== X-CSE-MsgGUID: /90UUjQRRc+bFVk7GCdgtQ== X-IronPort-AV: E=McAfee;i="6800,10657,11781"; a="96744709" X-IronPort-AV: E=Sophos;i="6.23,227,1770624000"; d="scan'208";a="96744709" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2026 03:07:39 -0700 X-CSE-ConnectionGUID: 3OnfRC1yQxiv9c42gUcypg== X-CSE-MsgGUID: 5kbNoDiKSfi7LeB6WpsP1g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,227,1770624000"; d="scan'208";a="237414075" Received: from dhhellew-desk2.ger.corp.intel.com (HELO localhost) ([10.245.244.171]) by orviesa007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2026 03:07:35 -0700 Date: Sun, 10 May 2026 13:07:32 +0300 From: Andy Shevchenko To: rodrigo.alencar@analog.com Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-hardening@vger.kernel.org, Lars-Peter Clausen , Michael Hennerich , Jonathan Cameron , David Lechner , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel , Jonathan Corbet , Shuah Khan , Kees Cook , "Gustavo A. R. Silva" Subject: Re: [PATCH RFC v4 02/10] iio: core: support 64-bit register through debugfs Message-ID: References: <20260508-ad9910-iio-driver-v4-0-d26bfd20ee3d@analog.com> <20260508-ad9910-iio-driver-v4-2-d26bfd20ee3d@analog.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260508-ad9910-iio-driver-v4-2-d26bfd20ee3d@analog.com> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Fri, May 08, 2026 at 06:00:18PM +0100, Rodrigo Alencar via B4 Relay wrote: > Add debugfs_reg64_access function pointer field into iio_info and modify > file operation callbacks to favor 64-bit variant when it is available. To write a value with bit 63 set it will require negative number, right? Isn't this counter intuitive and may lead to rejection of the (correct) values? -- With Best Regards, Andy Shevchenko