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 D74CCC7115A for ; Thu, 19 Jun 2025 15:48:01 +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=KJkap0N2OMLX4SZzoJrJa5HCSWmYHsAVwalxNjL+MLQ=; b=HTuuO8kLpTWlMWJE5lvyc2scMq SU2IFxqLAeqYdakCgLlTwSyWeaDA2WKhw9tw8vkoCBzkYY7fOaxOJyo1ymdBGi+az+uAjI73CdjuU mBq9nwVqvtpeWLZ/EAXrbxr8tp4fZYrwx5NfwH4tlypUfNOaFpoxIZDAlwvmYCu+40pNo4KzBSlZR AOfIH25qnf2xRl01VCbpisTCv8R3lqZLlF4ViF/BgfMKnMnIj2b8hsN+0KHa8E/RLBXJs2rRfevr4 SSKLk/PoYZ/6vMtNMsQexNt02nN3yehw83Kp8uFsZlyJteoYe1SUq5ieTQpWaNF0JWqgLmRE/fOnb pkp3oBGw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uSHUS-0000000DW7h-0X93; Thu, 19 Jun 2025 15:47:48 +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 1uSEVH-0000000D4cd-3TNI; Thu, 19 Jun 2025 12:36:27 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 41871629E3; Thu, 19 Jun 2025 12:36:27 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 345D0C4CEEE; Thu, 19 Jun 2025 12:36:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750336587; bh=0aZ6hvd/IjVOBqGmz7MszhMOejk6IpZuPtDdl9PW9vs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=CI7fEyodMGaW5jyKK8UY6kiGubgfymOHPJnBbUgexQqVw6f1vhwj+IWYYJCLvi1Mr Edsd3Ntro02FIelndIezoK8WBnFGAHgSiGmGtUUp7/xwv8EsRz9kI+hCic8n8tEclK M40tzSqGmjaBEDQKiJRC+bVFQwFrOvwKDMpHDGBlpqv9O/JU/0Fri55OQptM5Pm24c n2lC5jnDCRGON/s+HlPLM2X7ws9YYSjaut69jLh/emaeHrnFeN0EDxMtJRoriHcCVl m5Qprn+xiHtHiRVOYHZT9cVUhu5kYE8xJw0G5Tb//D4ud1ap7V2LCRo4pKoqH0Y1pX ga2+nPkAM9W3Q== Date: Thu, 19 Jun 2025 13:36:23 +0100 From: Simon Horman To: Lorenzo Bianconi Cc: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, netdev@vger.kernel.org Subject: Re: [PATCH net v4 2/2] net: airoha: Differentiate hwfd buffer size for QDMA0 and QDMA1 Message-ID: <20250619123623.GL1699@horms.kernel.org> References: <20250619-airoha-hw-num-desc-v4-0-49600a9b319a@kernel.org> <20250619-airoha-hw-num-desc-v4-2-49600a9b319a@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250619-airoha-hw-num-desc-v4-2-49600a9b319a@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 Thu, Jun 19, 2025 at 09:07:25AM +0200, Lorenzo Bianconi wrote: > EN7581 SoC allows configuring the size and the number of buffers in > hwfd payload queue for both QDMA0 and QDMA1. > In order to reduce the required DRAM used for hwfd buffers queues and > decrease the memory footprint, differentiate hwfd buffer size for QDMA0 > and QDMA1 and reduce hwfd buffer size to 1KB for QDMA1 (WAN) while > maintaining 2KB for QDMA0 (LAN). > > Signed-off-by: Lorenzo Bianconi Hi Lorenzo, Thanks for the updated commit message. Reviewed-by: Simon Horman