From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 63780C433E1 for ; Thu, 2 Jul 2020 12:20:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3369820884 for ; Thu, 2 Jul 2020 12:20:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593692437; bh=JRsQWQIRvil2lzfm5RzIfgVh20V7WVMTAsQvShOnTa8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=bnEI3MHt6/2D1hjXkoTbFdJzKg2YgK/tq7vdsh2IaKRjxYlIQAs8VoClPkEQAEvPm mpcb68PqBTq8drCoZwhfBxrdLYxYYD2OAG5UGsRpThmpOk1bnR79WKYchpYdyDyEcc +rdbgJjzXFaycoxsTlut6hep1kOVKxFvh0cG8Fvo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729105AbgGBMUg (ORCPT ); Thu, 2 Jul 2020 08:20:36 -0400 Received: from mail.kernel.org ([198.145.29.99]:39198 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728808AbgGBMUf (ORCPT ); Thu, 2 Jul 2020 08:20:35 -0400 Received: from localhost (fw-tnat.cambridge.arm.com [217.140.96.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id CCAE52084C; Thu, 2 Jul 2020 12:20:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593692435; bh=JRsQWQIRvil2lzfm5RzIfgVh20V7WVMTAsQvShOnTa8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=wpVtyDSV5qRz/q/2V/M7zlrr/Ot31NlQJ+rN14P2AYrR/FUjyVIJ7WDtNYUfWAzmw KmomDtfuDqZVkCApnf7C+Io8hDb0ReoG78BHqmuhcpHRU0pJF4TAcsMUcIGWFubeV+ 2oSq64H9vOjMX36sTu8fbnq+9PPWAiIq+y65vYOc= Date: Thu, 2 Jul 2020 13:20:32 +0100 From: Mark Brown To: Jason Gunthorpe Cc: Ranjani Sridharan , Greg KH , Takashi Iwai , Pierre-Louis Bossart , Jeff Kirsher , davem@davemloft.net, netdev@vger.kernel.org, linux-rdma@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, Fred Oh , lee.jones@linaro.org Subject: Re: [net-next v4 10/12] ASoC: SOF: Introduce descriptors for SOF client Message-ID: <20200702122032.GD4483@sirena.org.uk> References: <20200629203317.GM5499@sirena.org.uk> <20200629225959.GF25301@ziepe.ca> <20200630103141.GA5272@sirena.org.uk> <20200630113245.GG25301@ziepe.ca> <936d8b1cbd7a598327e1b247441fa055d7083cb6.camel@linux.intel.com> <20200630172710.GJ25301@ziepe.ca> <20200701095049.GA5988@sirena.org.uk> <20200701233250.GP25301@ziepe.ca> <20200702111522.GA4483@sirena.org.uk> <20200702121147.GQ25301@ziepe.ca> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="NtwzykIc2mflq5ck" Content-Disposition: inline In-Reply-To: <20200702121147.GQ25301@ziepe.ca> X-Cookie: I'm rated PG-34!! User-Agent: Mutt/1.10.1 (2018-07-13) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org --NtwzykIc2mflq5ck Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Jul 02, 2020 at 09:11:47AM -0300, Jason Gunthorpe wrote: > On Thu, Jul 02, 2020 at 12:15:22PM +0100, Mark Brown wrote: > > These are very much physical devices often with distinct IPs in distinct > > address ranges and so on, it's just that those addresses happen not to > > be on buses it is sensible to memory map. > But platform bus is all about memmory mapping, so how does the > subdevice learn the address range and properly share the underlying > transport? Hard coding, some out of band mechanism or using an unparented register region (the resource the code is fine, it's not going to actually look at the registers described). --NtwzykIc2mflq5ck Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl790RAACgkQJNaLcl1U h9C8Ygf+Kxu/BiRuIl0FHMQzvFHOP8VbBGznBp2reGiFb41xqw2HK3BDOthnGqmA LOAbPcshGN13wVeoNl2iiSdKVFAl74Mhx+RyfFlP43mNLeNkcd9uZYiFQR7Pfc3w N4Vmp51ryxDeLW9KlOn6hRG562TcAyJZ4M7cj5COcKkACuE6UpUtsupa3SHTdTgy 8EayY2evuCHE91Oh2FTVrYSPDabTkApc0fvn1lsMK/dFXUDGwFc7gGdaOEaLmZfH X13v0ATFlWHkQfI++Jx76sy3cutCvqN4bpdt1nHk/6B6zY2qNPWZ/Yv1+QdypnrJ b9l3NJwW7f/pSYDG8x0Z8KzulshfQA== =n1Ak -----END PGP SIGNATURE----- --NtwzykIc2mflq5ck--