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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7D034C433F5 for ; Tue, 5 Oct 2021 06:03:36 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 4470460EE2 for ; Tue, 5 Oct 2021 06:03:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 4470460EE2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Jnh9wsnwugBXBsVP4poR7EdyP2aQ2+xsj9PH5ebLkk0=; b=QLrpnKHysGClZs HHnNNBMm5vQQ7bqxoR5yCe589lXyjR8tBafbf2gk7Odm89FodftbVCe/wFX1iMoh6rroCwZFOdd1L eNUIX+aorJiYOVBGvmwGA+4yOVUnRK6vq9rldr9bGdHR6iMRW0Iu6xBHhAbZBYq7SMCRG+nsfM4TY 2XArdXIoJLdWRLDKcdCetFczdgHNJwr6wHHc2gzxhinqI73/Riv1jioJcjQd8YGYGXRZGbXE7rWfx bcmD1edOcd0HWmG0K1Bf5SLqkxgNYug0EwzAaUHDvLoo2EpDZdEcs291cxIxCG2X1pXwTxZQfZOmI emKkr4JhMBZdmcU98EFg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mXdWC-0093g9-2m; Tue, 05 Oct 2021 06:01:36 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mXdW8-0093f4-5A for linux-arm-kernel@lists.infradead.org; Tue, 05 Oct 2021 06:01:33 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 92CD361506; Tue, 5 Oct 2021 06:01:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1633413691; bh=8WQC+dzyl2tjTbCuTZwAxt3vQ3mPoLMuElaefonyfAY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=a31KrGQAWEDUESVLtDZcnrbZoaJM95PzWC4EcMS76iGdwpNCsckN0HWHDZe+RSJuX 8e5TJ249gyZAGkLjuHWBfIfmxMKOls0pZtojJkJvfW4EKc2i58vVTOJgaYtjGV0vPZ o6/fbQBk6u7hBq3g1P/xn6RaD3PFdDydeqp2Kzv2gFft6hypWZPZqq5Wj+U1tFl/mZ BhR/SZusSUS9RUXEtnYZJ+jYvJqkNsP76G0zIPUXHx6kdwNeiR0i1YiBLib4jOgYoY g+LHT+F6WIXorKg8P0SNgZlWyHCwsYIZ+UJTDAG498NmJ6i8QzeUfK4edpvVSdwCnw fA6cdM2LL3jjQ== Date: Tue, 5 Oct 2021 14:01:27 +0800 From: Shawn Guo To: Vladimir Oltean Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, Rob Herring , Li Yang Subject: Re: [PATCH devicetree] arm64: dts: ls1028a: mark internal links between Felix and ENETC as capable of flow control Message-ID: <20211005060126.GR20743@dragon> References: <20210929115226.1383925-1-vladimir.oltean@nxp.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210929115226.1383925-1-vladimir.oltean@nxp.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211004_230132_236503_A7081CA3 X-CRM114-Status: GOOD ( 13.25 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Sep 29, 2021 at 02:52:26PM +0300, Vladimir Oltean wrote: > The internal Ethernet switch suffers from erratum A-050484 ("Ethernet > flow control not functional on L2 switch NPI port when XFH is used"). > XFH stands for "Extraction Frame Header" - which basically means the > default "ocelot" DSA tagging protocol. > > However, the switch supports one other tagging protocol - "ocelot-8021q", > and this is not subject to the erratum above. So describe the hardware > ability to pass PAUSE frames in the device tree, and let the driver > figure out whether it should use flow control on the CPU port or not, > depending on whether the "ocelot" or "ocelot-8021q" tagging protocol is > being used. > > Signed-off-by: Vladimir Oltean Applied, thanks! _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel