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 5BE29C54E65 for ; Thu, 22 May 2025 13:42:00 +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=P49Q9WVq5qfnXQAFuTcELX5eDeiqBbINfBH27a+ra/g=; b=WnlD1RbQ7X6U/iQ/6eWM3iJZu6 R3ZL33lD8XWRubkWIc+J+hRwPQ+Aif3STw9T8NIW9N9Iu6BHd3Ob5j3N9VO7ZgGKY6r+vxUqsjQ7h CpRT/35re5bY2tblCJjWnno+SkPhEYdAFROpUVVc+Rs68XIFguEPL26dgPM6rNO1xIbxj+RYihPV7 h6H6GJ07LqNLnh9xMFnDf4wxvxtz5h9bPusXdunibzppetobRjUWIesbaWt+Pc7bcmXbN4IeSryEj QX0Pf2x9+mMZncE87GBTuHvSwvQ/hauRFcLt1cbEiWDSiD1Et5xHXniGjb7JgkGyEQOpRgNw9O408 UhuTn3dQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uI6BF-0000000196P-0bwT; Thu, 22 May 2025 13:41:53 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uI67P-000000018RL-1p18; Thu, 22 May 2025 13:37:55 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id D60D562A41; Thu, 22 May 2025 13:37:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 22AE3C4CEED; Thu, 22 May 2025 13:37:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1747921074; bh=ev0arRRmbzjSG9o7W9ASomHCIPJ3iT09QMhMAO9W+Ps=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=akPRekvw/K4j6AgtMeGXaP0Tz5yWJj9qSVCI6bwIMYqa+NAzgRM1GgdxYb0BPVJNc dLgeMtQsTl1KbvhCJhvKg1bjC10xyOts+dLA9vlLxwGEP3Ak1/YJTPzTu8P55m6ngP 3xTfPOJ+xJ5IPn45kqSFgwJ5w+3GCucRJ/7jL1oi1TQ6n1+yKktBsizWKsNvjBmsaw sEn4OwzXuYPWIkUQ27HPjqHSMyroBGIrGBNG76cHHNXvp/vECE/qipGwoNNpO7dP9a cjc/o18hlrOyvDxfWk15IhzmkXFkBkWlgObMgjZaYWQWbph7aY9WcuVJaI4ZWVkRLU DDw4TAdDxmxLw== Date: Thu, 22 May 2025 14:37:50 +0100 From: Simon Horman To: Lorenzo Bianconi Cc: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, netdev@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH net-next v3 3/4] net: airoha: Add the capability to allocate hwfd buffers via reserved-memory Message-ID: <20250522133750.GD365796@horms.kernel.org> References: <20250521-airopha-desc-sram-v3-0-a6e9b085b4f0@kernel.org> <20250521-airopha-desc-sram-v3-3-a6e9b085b4f0@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250521-airopha-desc-sram-v3-3-a6e9b085b4f0@kernel.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 Wed, May 21, 2025 at 09:16:38AM +0200, Lorenzo Bianconi wrote: > In some configurations QDMA blocks require a contiguous block of > system memory for hwfd buffers queue. Introduce the capability to allocate > hw buffers forwarding queue via the reserved-memory DTS property instead of > running dmam_alloc_coherent(). > > Signed-off-by: Lorenzo Bianconi Reviewed-by: Simon Horman