From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) (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 860BB26A0DB; Wed, 26 Nov 2025 11:20:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764156060; cv=none; b=bBWSshyu25D9vAtgX+8MJVxRSBTDkrIP37m4S94JA2zKkbLvhJINKwD+E3z0N2b8tx/kShpOH0YCJtzvNelPTqL69phfLKEqOPnSZxoE9ybbBNWYpJugiIX5+Yjcf4sjR/CqEYrip+Jy/pWNvUyW3mz2DbokNBWOAJDm/9Z8BcA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764156060; c=relaxed/simple; bh=OAHgqHSuutAzajxjg4ZMojJbQ0FLRXY/bsAUAQ+tWtE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=V7re5kIHFpPck0xoxtYDmnVtWbcMWoxOw1Z5lEO7sKA12//KOmZpKJ5Yq0a8ntxFb6jlstUpf3r0weu6fNdyuR4rxSBMnXW009uBsZeJdO3+wDCYBXhfprTjDQs5mpJEYJClZFkG5/4+BTKKHWxd0L/MClJ6uFCeDl5GoxNb65o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=KFlVFFKo; arc=none smtp.client-ip=192.198.163.12 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="KFlVFFKo" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1764156056; x=1795692056; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=OAHgqHSuutAzajxjg4ZMojJbQ0FLRXY/bsAUAQ+tWtE=; b=KFlVFFKo0Bamc9PULlVnStioNjYNj1VtTBsEEBQDGfE2JyxpU34Uvaw/ KXth3CNL4a3hpvmsd8sard+xp9Q0jMj/nhC/WhAcJfkARkfgH4G/klXwQ W3cR+QFi3F3J9dATZXHX1yq7JjLFq7Eq9X4m1bTXGCWFqXhIUUaxUlqO1 tdQfQf+BREEqfPnIOjtCze5iq3mMqXt2qODwOb+w+oNnTwTsXctAT1Gv6 obgZOCHEWcvALFXFDyecy3IqQY0i2Cw5rXQpvFhuZRZraVRI3HKceGmyA 8pnHoGipKqpIZWzcO85sstYPkI4C1hQ5AbwjDd+uW5t6XO9pVzckwaU6x Q==; X-CSE-ConnectionGUID: VUz/LI9wRb6C/mY/reFvoA== X-CSE-MsgGUID: g7PCQHDUSoaKVUNIjYECyQ== X-IronPort-AV: E=McAfee;i="6800,10657,11624"; a="70053007" X-IronPort-AV: E=Sophos;i="6.20,228,1758610800"; d="scan'208";a="70053007" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Nov 2025 03:20:56 -0800 X-CSE-ConnectionGUID: ccDy4/hUTmmWn0rLVaEBmg== X-CSE-MsgGUID: WX4Ff8DeSbyupnmFSLEykg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,228,1758610800"; d="scan'208";a="223634775" Received: from rvuia-mobl.ger.corp.intel.com (HELO localhost) ([10.245.245.89]) by orviesa002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Nov 2025 03:20:53 -0800 Date: Wed, 26 Nov 2025 13:20:50 +0200 From: Andy Shevchenko To: Francesco Lavra Cc: Greg Kroah-Hartman , Jiri Slaby , Kartik Rajput , Geert Uytterhoeven , Wolfram Sang , Robert Marko , Thierry Bultel , Douglas Anderson , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org Subject: Re: [PATCH] serial: tegra: remove Kconfig dependency on APB DMA controller Message-ID: References: <20251126090759.4042709-1-flavra@baylibre.com> Precedence: bulk X-Mailing-List: linux-serial@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: <20251126090759.4042709-1-flavra@baylibre.com> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Wed, Nov 26, 2025 at 10:07:59AM +0100, Francesco Lavra wrote: > This driver runs also on SoCs without a Tegra20 APB DMA controller (e.g. > Tegra234). > Remove the Kconfig dependency on TEGRA20_APB_DMA, and remove reference to > the APB DMA controller from the Kconfig help text. ... > help > Support for the on-chip UARTs on the NVIDIA Tegra series SOCs > providing /dev/ttyTHS0, 1, 2, 3 and 4 (note, some machines may not > provide all of these ports, depending on how the serial port > - are enabled). This driver uses the APB DMA to achieve higher baudrate > - and better performance. > + are enabled). I think this removes a good piece of information. Perhaps rephrase? This driver may use the APB DMA when available to achieve higher baudrate and better performance. -- With Best Regards, Andy Shevchenko