From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (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 CE7843A7D9E; Wed, 15 Jul 2026 18:58:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784141925; cv=none; b=jBkK6uRSr5ikJnpO5AJzDPYNacI/PT7Pyp7ZVTEbaGgJpDHDmOHXcvpeNWfl0+wmJhB3c+nvgmSWZneWjiJfC0FlwTVbfC2/1qJR/6Ohp+QaO7odRxAMwuWOVvPMgHtC5nz4gWxT1gQPMZnug3Kn4OxCdU3eY5Mw9pmkYEKZ4/4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784141925; c=relaxed/simple; bh=o1wdb3hvZg8Mwx/nf5Q5Kz1h9rVn80wGsO8ZhPlCSqA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=RzyIhloKsu3XgdTsSlWBELjrqkWqm8brC0IGN0hxE6z5y6YDqGIeUwn5EgsNNGglKTeWxFgM+Fb0gZyD6r+pO54ERW+ZY2ZctE8+MeDznXuIh/oD/NbDM3Y5q6cI2qrYqWwEk5DRdUu6lAhH8EC7OQ77bDdk/XEqv7ls5xceVb8= 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=n/Hbkcke; arc=none smtp.client-ip=192.198.163.14 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="n/Hbkcke" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1784141922; x=1815677922; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=o1wdb3hvZg8Mwx/nf5Q5Kz1h9rVn80wGsO8ZhPlCSqA=; b=n/HbkckensbobOzm7FcgRY5B/EIJXpWbPY7XMHVrTdI5Bag3fD5KFM/M rYY5MXH2u6rDULz8of0eOz9mTiWx/NvlhaHH9U+vQdo3WLL3Eg5USG5PR kjz4Wq5RmqtDzd8td4lKfn9YGlm/pz5TRMX1uwt5BBsWq6NOWnI5PJ2gM QAg8nUhG2/zPV8AZ+S4PXDTspYjrIi5fBra8DFp45eE7jwmldUzE4FPNC jJoU/EoG3kIekm++PXZVYZg2MSUDs14qOFDmaN0IqTTCxPB0Sf7++VzLT B/3WVNffEetl/HSKSuA2442pj469CoAE8+t7gv9xik+EOT4QZ3aOLzwAd A==; X-CSE-ConnectionGUID: YBTg6K9ZSzefdbahi2FzjA== X-CSE-MsgGUID: Krh71h4vRoiVHTdsc4T49A== X-IronPort-AV: E=McAfee;i="6800,10657,11847"; a="84834934" X-IronPort-AV: E=Sophos;i="6.25,166,1779174000"; d="scan'208";a="84834934" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jul 2026 11:58:31 -0700 X-CSE-ConnectionGUID: 49XMinnBQ1q16eL0jxD8dg== X-CSE-MsgGUID: kjqxmeOcQsKaDHlmEkIC5Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,166,1779174000"; d="scan'208";a="253661823" Received: from mkosciow-mobl1.ger.corp.intel.com (HELO localhost) ([10.245.244.129]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jul 2026 11:58:10 -0700 Date: Wed, 15 Jul 2026 21:58:08 +0300 From: Andy Shevchenko To: Link Mauve Cc: Srinivas Kandagatla , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Jonathan Cameron , David Lechner , Nuno =?iso-8859-1?Q?S=E1?= , Andy Shevchenko , Sakari Ailus , Tianshu Qiu , Bingbu Cao , Mauro Carvalho Chehab , Aaro Koskinen , Andreas Kemnade , Roger Quadros , Tony Lindgren , Lee Jones , Arnd Bergmann , Greg Kroah-Hartman , Bartosz Golaszewski , "Vaibhaav Ram T.L" , Kumaravel Thiagarajan , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Vladimir Zapolskiy , =?iso-8859-1?Q?Andr=E9?= Draszik , Orson Zhai , Baolin Wang , Chunyan Zhang , Maxime Coquelin , Alexandre Torgue , Praveen Teja Kundanala , Kalyani Akula , Michal Simek , Alexandre Belloni , Joshua Kinard , Antoniu Miclaus , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Miguel Ojeda , Boqun Feng , Gary Guo , =?iso-8859-1?Q?Bj=F6rn?= Roy Baron , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , Danilo Krummrich , Daniel Almeida , Tamir Duberstein , Alexandre Courbot , Onur =?iso-8859-1?Q?=D6zkan?= , Daniel Lezcano , Johan Hovold , Ronald Claveau , Salah Triki , Yury Norov , David Carlier , Achim Gratz , Alexander Sverdlin , Patrick Wicki , Markus Heidelberg , Markus Perkins , Uwe =?iso-8859-1?Q?Kleine-K=F6nig_=28The_Capable_Hub=29?= , Bjorn Helgaas , Abd-Alrhman Masalkhi , Chen Ni , Kees Cook , linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, linux-media@vger.kernel.org, linux-omap@vger.kernel.org, mfd@lists.linux.dev, linux-i2c@vger.kernel.org, linux-gpio@vger.kernel.org, imx@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-rtc@vger.kernel.org, linux-sunxi@lists.linux.dev, rust-for-linux@vger.kernel.org Subject: Re: [PATCH 1/8] nvmem: core: make reg_write() take a const void * Message-ID: References: <20260715175229.24672-1-linkmauve@linkmauve.fr> <20260715175229.24672-2-linkmauve@linkmauve.fr> Precedence: bulk X-Mailing-List: rust-for-linux@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: <20260715175229.24672-2-linkmauve@linkmauve.fr> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Wed, Jul 15, 2026 at 07:52:17PM +0200, Link Mauve wrote: > This callback used to take a mutable void * for no reason, this was > found while drafting the Rust abstraction. I don't understand how it was compiled. const void * != void * in C and can't be implicitly covered, if I am not mistaken. So, this patch heavily should break the build. What did I miss? -- With Best Regards, Andy Shevchenko