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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7D561C433F5 for ; Mon, 6 Dec 2021 14:47:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344114AbhLFOvT (ORCPT ); Mon, 6 Dec 2021 09:51:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49414 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344085AbhLFOvS (ORCPT ); Mon, 6 Dec 2021 09:51:18 -0500 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0DA57C061746; Mon, 6 Dec 2021 06:47:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=TXFSmUvaU3cs7so6I58UjRnLfUrT8rfsvaCveH+MJuc=; b=ZiRLfAaJDzSkoPKw079EiQGN/7 bxEKFwuhOQvYYSgZXv1b+xWvyFVzNDvrcTUJ8CrugUQ1MZGfwXs4qs+kRH5Pgd6FfqQeopylxTXM2 KEihaEizzovXtpeHFOOrAAnufrDT2x88N8hCB8B/qerE1deCagPlmiZhGv8gWSZOaaFqyN/ErO9kq GsGzIMiW8kOtePhuvpDQsLXK5nzB8G8Gqt4vffNqzXweCO4qGKi2Iq1jBOxSkvZhESpY+FT0gTciQ YB7vf/L0oA6Kb6YnYNYmKh6qsr6h3cHGfoDvoYiah/Se/KBF6+VNPV1c9HXR9N0xVBgtLWK/Udv+u WSiZvg1A==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1muFHN-004GnQ-TB; Mon, 06 Dec 2021 14:47:45 +0000 Date: Mon, 6 Dec 2021 06:47:45 -0800 From: Christoph Hellwig To: Jason Gunthorpe Cc: Christoph Hellwig , Stuart Yoder , rafael@kernel.org, David Airlie , linux-pci@vger.kernel.org, Thierry Reding , Diana Craciun , Dmitry Osipenko , Will Deacon , Ashok Raj , Jonathan Hunter , Kevin Tian , Chaitanya Kulkarni , Alex Williamson , kvm@vger.kernel.org, Bjorn Helgaas , Dan Williams , Greg Kroah-Hartman , Cornelia Huck , linux-kernel@vger.kernel.org, Li Yang , iommu@lists.linux-foundation.org, Jacob jun Pan , Daniel Vetter , Robin Murphy Subject: Re: [PATCH v3 03/18] driver core: platform: Rename platform_dma_configure() Message-ID: References: <20211206015903.88687-1-baolu.lu@linux.intel.com> <20211206015903.88687-4-baolu.lu@linux.intel.com> <20211206144535.GB4670@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211206144535.GB4670@nvidia.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Mon, Dec 06, 2021 at 10:45:35AM -0400, Jason Gunthorpe via iommu wrote: > IIRC the only thing this function does is touch ACPI and OF stuff? > Isn't that firmware? > > AFAICT amba uses this because AMBA devices might be linked to DT > descriptions? But DT descriptions aren't firmware. They are usually either passed onb the bootloader or in some deeply embedded setups embedded into the kernel image.