From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3528B39EF25; Mon, 24 Aug 2026 07:48:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787557713; cv=none; b=CElC4/dIoAj366moDnXpdvTJN7IWYObH+NGJZvdDT90Wu+jqWuXoUQnNPj9XSjd/YNz0lYHuZ8c0/L+4q3SxiSXRwuC6S+HLVO0PzHjvJsEUF7kekSBnORIuSpS0PwQuRW3+g/d97UqpJiWIc8wiIfqlGijvNZiwnfmxa6hhIvY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787557713; c=relaxed/simple; bh=aLH8tRvP03IrP0Igt+FPh0lRLfkhDDhlhqyfhLJ2ANY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=mMuYe+suIzgkz7K4HUkI7DizjzDq+K/rx1pV2NDGOSDFHnNJhiRNw+s3uPUYerwRt5PARFI5TisPl68lSDZIVfCzbrjDtMvJsVYhQTGDeIKtdut9GSYPk1hPAIwwDJ5ZzbDC6MYq+aqrm2kmC1vjp/KH3hEo9prsvzNNB4AN69s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=oUszDA6I; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="oUszDA6I" 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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="Xfwh0j0kadPQPpx8" Content-Disposition: inline In-Reply-To: --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--