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 X-Spam-Level: X-Spam-Status: No, score=-3.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 28063C2BA2B for ; Thu, 16 Apr 2020 20:48:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F41BB2054F for ; Thu, 16 Apr 2020 20:48:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727994AbgDPUs5 (ORCPT ); Thu, 16 Apr 2020 16:48:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39864 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725894AbgDPUs4 (ORCPT ); Thu, 16 Apr 2020 16:48:56 -0400 Received: from shards.monkeyblade.net (shards.monkeyblade.net [IPv6:2620:137:e000::1:9]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9802AC061A0C; Thu, 16 Apr 2020 13:48:56 -0700 (PDT) Received: from localhost (unknown [IPv6:2601:601:9f00:477::3d5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 627C412757E6A; Thu, 16 Apr 2020 13:48:55 -0700 (PDT) Date: Thu, 16 Apr 2020 13:48:54 -0700 (PDT) Message-Id: <20200416.134854.89754180705215688.davem@davemloft.net> To: f.fainelli@gmail.com Cc: netdev@vger.kernel.org, olteanv@gmail.com, peppe.cavallaro@st.com, alexandre.torgue@st.com, joabreu@synopsys.com, mripard@kernel.org, wens@csie.org, mcoquelin.stm32@gmail.com, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH net] net: stmmac: dwmac-sunxi: Provide TX and RX fifo sizes From: David Miller In-Reply-To: <20200414223952.5886-1-f.fainelli@gmail.com> References: <20200414223952.5886-1-f.fainelli@gmail.com> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Thu, 16 Apr 2020 13:48:56 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Florian Fainelli Date: Tue, 14 Apr 2020 15:39:52 -0700 > After commit bfcb813203e619a8960a819bf533ad2a108d8105 ("net: dsa: > configure the MTU for switch ports") my Lamobo R1 platform which uses > an allwinner,sun7i-a20-gmac compatible Ethernet MAC started to fail > by rejecting a MTU of 1536. The reason for that is that the DMA > capabilities are not readable on this version of the IP, and there > is also no 'tx-fifo-depth' property being provided in Device Tree. The > property is documented as optional, and is not provided. > > Chen-Yu indicated that the FIFO sizes are 4KB for TX and 16KB for RX, so > provide these values through platform data as an immediate fix until > various Device Tree sources get updated accordingly. > > Fixes: eaf4fac47807 ("net: stmmac: Do not accept invalid MTU values") > Suggested-by: Chen-Yu Tsai > Signed-off-by: Florian Fainelli Applied and queued up for -stable, thanks.