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=-14.0 required=3.0 tests=BAYES_00,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 89E7DC433B4 for ; Fri, 9 Apr 2021 14:47:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 61DFF61019 for ; Fri, 9 Apr 2021 14:47:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233974AbhDIOrr (ORCPT ); Fri, 9 Apr 2021 10:47:47 -0400 Received: from mail-ot1-f53.google.com ([209.85.210.53]:46887 "EHLO mail-ot1-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233939AbhDIOrn (ORCPT ); Fri, 9 Apr 2021 10:47:43 -0400 Received: by mail-ot1-f53.google.com with SMTP id d3-20020a9d29030000b029027e8019067fso3996899otb.13; Fri, 09 Apr 2021 07:47:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=0V92N7vT+lUzz87n7KGp059iqscBjCvjd5Xj1nP3DBU=; b=nno5s5/g7TqdRGntK5bZ2xEdcuXqC/UGHMeGgjhcy0iwnrOSxRfZNzRY2hDYnwifTf cqfHftqBqU/eCfqRUHwt5fiAkWkAiPtu4CiYVf3uv6vOHtsExer0WrRdzYQPQkanft7l 2gQyAXOWjfYXMT4rkbA34UTF7RPAhsKmkGQXDRf540NvU4N629kHpH2B242473xpdxSs Ess3V/f6eTKN/C05L3KSVUH5XD0JbbhhJCTOk5jGnrDiaE2HycZ8CXxk8AK0cFtyatdG EjsPNpp9nbfV8ULppyP7eq/dTaSmTMmk6M6fIH3OgYN0n9jhnblLnvBTnQiH/dqdeMgj /Sfw== X-Gm-Message-State: AOAM5329d480lpZhhF+qbV76ih4O4yeBMPkBkhP7y2pf5H8Gce8uD5wW nRow2pA4/ngaTmjqEqTmgw== X-Google-Smtp-Source: ABdhPJwjLJtZpPVjegVIRtRAIAj7Yv/lPl9U6lNLwRC20v8gG3z0aPUD0nr+q7SaxuV4ssyS7h6YVQ== X-Received: by 2002:a9d:7699:: with SMTP id j25mr12569409otl.177.1617979649690; Fri, 09 Apr 2021 07:47:29 -0700 (PDT) Received: from robh.at.kernel.org (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id s131sm553775oib.14.2021.04.09.07.47.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Apr 2021 07:47:29 -0700 (PDT) Received: (nullmailer pid 3627857 invoked by uid 1000); Fri, 09 Apr 2021 14:47:27 -0000 Date: Fri, 9 Apr 2021 09:47:27 -0500 From: Rob Herring To: Nava kishore Manne Cc: mdf@kernel.org, trix@redhat.com, michal.simek@xilinx.com, sumit.semwal@linaro.org, christian.koenig@amd.com, linux-fpga@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, git@xilinx.com Subject: Re: [PATCH RFC 1/3] fpga: region: Add fpga-region property 'fpga-config-from-dmabuf' Message-ID: <20210409144727.GA3625530@robh.at.kernel.org> References: <20210402090933.32276-1-nava.manne@xilinx.com> <20210402090933.32276-2-nava.manne@xilinx.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210402090933.32276-2-nava.manne@xilinx.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Fri, Apr 02, 2021 at 02:39:31PM +0530, Nava kishore Manne wrote: > Add "fpga-config-from-dmabuf" property to allow the bitstream > configuration from pre-allocated dma-buffer. > > Signed-off-by: Nava kishore Manne > --- > Documentation/devicetree/bindings/fpga/fpga-region.txt | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/Documentation/devicetree/bindings/fpga/fpga-region.txt b/Documentation/devicetree/bindings/fpga/fpga-region.txt > index 969ca53bb65e..c573cf258d60 100644 > --- a/Documentation/devicetree/bindings/fpga/fpga-region.txt > +++ b/Documentation/devicetree/bindings/fpga/fpga-region.txt > @@ -177,6 +177,8 @@ Optional properties: > it indicates that the FPGA has already been programmed with this image. > If this property is in an overlay targeting a FPGA region, it is a > request to program the FPGA with that image. > +- fpga-config-from-dmabuf : boolean, set if the FPGA configured done from the > + pre-allocated dma-buffer. Sounds like an implementation detail of the OS. Doesn't belong in DT. Rob > - fpga-bridges : should contain a list of phandles to FPGA Bridges that must be > controlled during FPGA programming along with the parent FPGA bridge. > This property is optional if the FPGA Manager handles the bridges. > -- > 2.18.0 >