Received: by 2002:a05:6358:d09b:b0:dc:cd0c:909e with SMTP id jc27csp9133504rwb; Thu, 24 Nov 2022 08:29:39 -0800 (PST) X-Google-Smtp-Source: AA0mqf5WCQptK6gVpqwKHGNjVcv9dt3MAo+1DSK7EgRM2ToE38LxEIIWi0NX1wcwt67pcB3D6HoT X-Received: by 2002:a17:90a:2ec5:b0:217:cdc4:afef with SMTP id h5-20020a17090a2ec500b00217cdc4afefmr42838494pjs.115.1669307378898; Thu, 24 Nov 2022 08:29:38 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1669307378; cv=none; d=google.com; s=arc-20160816; b=SvN5IRPquf04h7PxPKjV5f5F5Pb3lwl9ipZ2x1aS37ABNYRfNFgm8fpJXiUwfksQCp mLKqqHVxlaaZAvcbeP0iVTrJ2zanzTxkmS+g9OUYcu+Y43vyBOp9UlrGjBRrHW1Ff9tK MnejMMs2gQQXz71owZrcIq2fSbR3EK0QpORuUHjzUDzZsHLbNb2lfQQdzI9C3T7WemIU plCJv0fFFr/9CuX3L4RLlau4rz0Iz0D/wUArWoeYQ7wvT0BGetDOQ/exRDtnPktenGeE YCYHbe2iadu9N5FFeonzviHBvamyObfnqHL3lKcGPOGAHtvmQsKzgbCRRMUD++dlhYy+ khOQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:organization:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :dkim-signature; bh=OeLgE95xTMKDU84CTUwRHC2hUlHuO2lfKFoS1jtKaGc=; b=EwiEdmGt1GTGZEoJneQdbvShAjMriwzTxwJDz7INBYZmj12aEjp2Ii4MK/mGnUExtv nSCQdbt+ru+9fVeRNBQ5V6E1ss17M8qM30bYDjIctByjTZ+GnYLOlDFMdbYg9OKGsRIx Z3ZOd+CKdd1HIy/a/eAJgcVA3RH6aHmJPD9gFXba0KpxSma3GmLPveDa0IlLgVZTsQfN +T+4DEJQ46B4Alxo+huyZ5NbQGxb2ijFPa5GAgfyQEn7APIF/sg0yhgSJ4OwUZsSw7+g gXjG5ZTs+pP1tXxbpiohAJ7xU8TZ+l7tzs18ixvaNSG9qvzQE2KnE8fr2vAUp1iT13Rf dwGw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=oB+c5kSR; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id j6-20020a170903024600b0018542a1b588si1685523plh.196.2022.11.24.08.29.25; Thu, 24 Nov 2022 08:29:38 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=oB+c5kSR; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229597AbiKXQGk (ORCPT + 87 others); Thu, 24 Nov 2022 11:06:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47508 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229476AbiKXQGi (ORCPT ); Thu, 24 Nov 2022 11:06:38 -0500 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1CE7615AAA9; Thu, 24 Nov 2022 08:06:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1669305998; x=1700841998; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=YvIW7uqHijKFD2vDLNW5+bbKzKM0bZDIyB8ZehT5fEs=; b=oB+c5kSR4Vkmc63+Yqw2ltsYyitDqme/p5zhUuqVBnZIpYTb/hMJZhvU c5FCJgaLFKOmenQJfuh9pL0tBLbqyw79tHUeot+uX9zI0/mlEFKbIMBfK kSp+g9Iw9jtwlnfFstE+0RalIfZHdpeDCBz+O64gWkAj3tHfhjTQsGdCw ZY/Hec5JvgJ7j9d6R3oQVQnSFc4VQDPQ5aCPcWp4Ztm1yjuO0+Ve+k0lk NroEmnWOqaBKbcy6JSco6CtMww+uS+sJyGX95KQNiykblDe1bRxRvFFuT 7fwSVWYI9gnva/AwaSgjnP4wJl8dRzGNqJyuXvVxt1fqmaDKx2lFBgrtM A==; X-IronPort-AV: E=McAfee;i="6500,9779,10541"; a="341220935" X-IronPort-AV: E=Sophos;i="5.96,190,1665471600"; d="scan'208";a="341220935" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Nov 2022 08:06:37 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10541"; a="816891210" X-IronPort-AV: E=Sophos;i="5.96,190,1665471600"; d="scan'208";a="816891210" Received: from smile.fi.intel.com ([10.237.72.54]) by orsmga005.jf.intel.com with ESMTP; 24 Nov 2022 08:06:34 -0800 Received: from andy by smile.fi.intel.com with local (Exim 4.96) (envelope-from ) id 1oyEkC-00GphT-2V; Thu, 24 Nov 2022 18:06:32 +0200 Date: Thu, 24 Nov 2022 18:06:32 +0200 From: Andy Shevchenko To: Tony Lindgren Cc: Jiri Slaby , Greg Kroah-Hartman , Ilpo =?iso-8859-1?Q?J=E4rvinen?= , Johan Hovold , Sebastian Andrzej Siewior , Vignesh Raghavendra , linux-serial@vger.kernel.org, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 1/1] serial: core: Start managing serial controllers to enable runtime PM Message-ID: References: <20220615062455.15490-1-tony@atomide.com> <562c1505-d3bc-6422-9598-15c399e6fbba@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Nov 24, 2022 at 05:37:07PM +0200, Tony Lindgren wrote: > * Jiri Slaby [221124 06:53]: > > On 27. 06. 22, 15:48, Tony Lindgren wrote: ... > > And you are objecting that mostly (or in all cases?), there will never be > > "serial controller 2"? > > I'm was not aware of the need for multiple serial port controllers > connected to a single hardware controller struct device. Is there an > example for that somewhere? I would be on the safest side here by assuming that's possible (QEMU and FPGA are the first that comes to my mind of such possibilities). -- With Best Regards, Andy Shevchenko