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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B0FF2CA100F for ; Mon, 22 Sep 2025 18:09:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=w8WQO8COBbkdRnlOhcXHFHuFMj6D9cv++m5m8uaDFtI=; b=cNrXxwGC5S0324WV9UBWBqTHMv gcnYbI7TBze+etKd08HBTA5Hwm9pkVwNi1Zqq9pOHglmxL/B9mNltN9eIns/olNveHY4p0bFv+eFz JoP0poGaLw/flN5mNhQEIXUr3Vj2ablysy2AESbtbk6olrYe7L2POwszZM76xh0b2slqA8MDoF4HV 4umVE2wX/sxVTM6b9yOf0uOoRLUgyrS5bGfjKM+PJS7Y2o6y56aFjJBPW+zFA2yVRTH1L2WtO7+m6 0KRfjZ6lXCjjzTNQbu03yBR0+kVxWKS/nCE3Mysf2r0kXPGw2AGYWDGXV8UMPbRrLnPv2nCwS6sdJ Hr3aehYg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1v0ky8-0000000BDUx-39AJ; Mon, 22 Sep 2025 18:08:56 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1v0ky7-0000000BDUN-24NH; Mon, 22 Sep 2025 18:08:55 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id E12F46013B; Mon, 22 Sep 2025 18:08:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1C2CBC4CEF0; Mon, 22 Sep 2025 18:08:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758564534; bh=ZpBXykY5GNJ3iTwM8KdwNbZCQ0CzTVwUOQGlFr5Uj8A=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=NpGqUY9tAbHoS6O0fQsM5SICqWep8YqbeQ/cpjWS5o+s1i5vw/RlUISCLYPFuN1ZT 31S4Wsp+nkJ9R8+PHa4jgkgdwv6xWTMHF291bFtTiXnrJIs1zx42Gng9V9+4YIhskr SYD9a4e6G+O2GAoMwFkw/NU7ge/Mw13apT+h1VWATEhMLfA19CR67v5UoNTftM00FP Jpebm4E8zknwP6qq7N96XHpDDwbSUYdOtbwKH0Z3NTG/53V6uxBO2w+mRBAGhteQwO bDTVYH3M1Rb1vh2Fa55Fev3q2xUjxuDgQuXuRAyj2ThNXyZ7diOTkQZqsp56tQgljJ 4X66QCUQ8sxRw== Date: Mon, 22 Sep 2025 13:08:51 -0500 From: Rob Herring To: Dang Huynh Cc: Manivannan Sadhasivam , Linus Walleij , Bartosz Golaszewski , Krzysztof Kozlowski , Conor Dooley , Michael Turquette , Stephen Boyd , Vinod Koul , Ulf Hansson , Philipp Zabel , Kees Cook , "Gustavo A. R. Silva" , linux-arm-kernel@lists.infradead.org, linux-unisoc@lists.infradead.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, dmaengine@vger.kernel.org, linux-mmc@vger.kernel.org, linux-hardening@vger.kernel.org Subject: Re: [PATCH 03/10] dt-bindings: dma: Add RDA IFC DMA Message-ID: <20250922180851.GB547468-robh@kernel.org> References: <20250919-rda8810pl-mmc-v1-0-d4f08a05ba4d@mainlining.org> <20250919-rda8810pl-mmc-v1-3-d4f08a05ba4d@mainlining.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250919-rda8810pl-mmc-v1-3-d4f08a05ba4d@mainlining.org> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Sep 19, 2025 at 01:48:43AM +0700, Dang Huynh wrote: > The Intelligent Flow Controller (IFC) is a scatter/gather DMA > controller. > > Signed-off-by: Dang Huynh > --- > Documentation/devicetree/bindings/dma/rda,ifc.yaml | 45 ++++++++++++++++++++++ > include/dt-bindings/dma/rda-ifc.h | 28 ++++++++++++++ > 2 files changed, 73 insertions(+) > > diff --git a/Documentation/devicetree/bindings/dma/rda,ifc.yaml b/Documentation/devicetree/bindings/dma/rda,ifc.yaml > new file mode 100644 > index 0000000000000000000000000000000000000000..323e1e87cee09cfc7b64bf44bef61e4d1e91afa5 > --- /dev/null > +++ b/Documentation/devicetree/bindings/dma/rda,ifc.yaml > @@ -0,0 +1,45 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/dma/rda,ifc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: RDA Intelligent Flow Controller (IFC) > + > +maintainers: > + - Dang Huynh > + > +description: | > + RDA IFC is a DMA controller, it only supports scatter/gather lists. > + > +allOf: > + - $ref: dma-controller.yaml# > + > +properties: > + compatible: > + items: > + - enum: > + - rda,8810pl-ifc > + - const: rda,ifc Also, drop. Generic compatibles are rarely useful. If the next chip has the same block, then 'rda,8810pl-ifc' can be the fallback compatible. Rob