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 ED23CC5DF94 for ; Mon, 24 Aug 2026 07:48:45 +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=aLH8tRvP03IrP0Igt+FPh0lRLfkhDDhlhqyfhLJ2ANY=; b=NrMkPqZpmP7cy32p5xUp4SXKum ImL8vUjrQMqAhXDdFRuJCVnqlq39pQeNjzV/ivcLkgnc1ljorXotjErn63xZE553foboSdel3EhBv IBcYCpgVNIz9A4tS5K2ont3ks6eMRn6iJ+H7v5YmJaPmSxfg2qcSy4GNwK/50p7wDLTSTae5Ycs3x aYFCzYlJB1AReyHohJMp6hM+Tl0qK+FeqwzPC3CaC2jXqzRd8tsaMtLmLofVQu4jBcJ8dBK/5+jcJ YZC45G/orNwMzH+PiUKpGJ7b373e27Ht8NbwRg54lzBJ8owwoa/6nGJB44X1SQPqnwVDcps+c+9Wh lFB12/EQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wyPQ2-0000000G9Mv-0hNh; Mon, 24 Aug 2026 07:48:34 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wyPQ0-0000000G9Mg-1Q4E; Mon, 24 Aug 2026 07:48:32 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id DC49340B3D; Mon, 24 Aug 2026 07:48:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3F6ED1F000E9; Mon, 24 Aug 2026 07:48:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1787557711; bh=aLH8tRvP03IrP0Igt+FPh0lRLfkhDDhlhqyfhLJ2ANY=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=oUszDA6I67oDMlfP337Q7h1nsBkLkyATHQ61hiZ5pvYO0BLqbVbxr/Txn8yNeSwA/ fN0kvtPsYpyjQ4WC5wDcey9si93RyOLIMfAqBdwfRDyJ5OBh2MF39CiJAeYBDyiRwL aGYxPTPxLoAYQHgPtG+MkLUK3ZzL70vXYzSMd7Ingvzj/+7nY7V2zjj8tj6SeREGOX 850Hx32mJjrhpwEVj5TbkPnC2LSWhYd0taZEIv6nKbZ5C4bfsugszMTaRd4INceIrM 4NIEnlmxBs6LmsERp3PRxW/Mjudxf8C/Qx1cLGtstHtWDT4kVlwc8cNCo/Vs7/uOpZ Q0uT416HcH0Tw== Date: Mon, 24 Aug 2026 09:48:29 +0200 From: Lorenzo Bianconi To: Jakub Kicinski Cc: Shiji Yang , netdev@vger.kernel.org, Rex Lu , Felix Fietkau , Andrew Lunn , "David S. Miller" , Eric Dumazet , Paolo Abeni , Matthias Brugger , AngeloGioacchino Del Regno , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: Re: [PATCH] net: ethernet: mtk_wed: increase WED v2 WDMA RESV_BUFF to 0x80 Message-ID: References: <20260821174121.326f3c49@kernel.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="Xfwh0j0kadPQPpx8" Content-Disposition: inline In-Reply-To: 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 --Xfwh0j0kadPQPpx8 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > On Aug 21, Jakub Kicinski wrote: > > On Wed, 19 Aug 2026 21:07:07 +0800 Shiji Yang wrote: > > > Change WDMA RESV_BUFF from 0x40 to 0x80 to avoid CDM TX FIFO overflow. > > > Without this patch mt7986 and mt7981 may have WDMA TX hang issue. This > > > patch was pulled from mtk-openwrt-feeds GPL open source project. > >=20 > > Lorenzo, could you TAL? (incl. Simon's suggestion of the Fixes tag) I am wondering if this is necessary for v3 as well. @Rex any input on it? Regarding Fixes tag, I think cf26df8833cc is the right one. Regards, Lorenzo >=20 > sure, I am AFK now, I will review it next week. >=20 > Regards, > Lorenzo --Xfwh0j0kadPQPpx8 Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTquNwa3Txd3rGGn7Y6cBh0uS2trAUCaov3TQAKCRA6cBh0uS2t rGDMAP9twXBYSNOh5AC9jnFT39IOAhsK9ISHTnmOXo5O917ihQD+NA+Jb8/BDLYp 06R2nrCbXoWHc8+GmruoqP1fY3oEqwA= =i5eV -----END PGP SIGNATURE----- --Xfwh0j0kadPQPpx8--