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=-2.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 CDE97C2D0CF for ; Tue, 24 Dec 2019 09:03:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A0E3320706 for ; Tue, 24 Dec 2019 09:03:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="EJ2m8BgG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726183AbfLXJCB (ORCPT ); Tue, 24 Dec 2019 04:02:01 -0500 Received: from mail-wm1-f67.google.com ([209.85.128.67]:55035 "EHLO mail-wm1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726047AbfLXJCA (ORCPT ); Tue, 24 Dec 2019 04:02:00 -0500 Received: by mail-wm1-f67.google.com with SMTP id b19so1856769wmj.4 for ; Tue, 24 Dec 2019 01:01:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=JpIUPsCQ4mUZV8clqM6x3//3zxhuxnyUCEItvWS4lIE=; b=EJ2m8BgGEtcQm8iSYsrb6jbllbscoKNSW55IMHI0wPcev4mLznd5VMRKwg2/sTmJx7 6B0CFsO0Hi5zcoPBFR5UJazH++6qulEdmR+LgsQTpX43ge6h4U8J8ZJNVTYRJqa9zOoX KHYdGmdBFl3qmjTINlKlX73vsGbpXDplIawOo= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=JpIUPsCQ4mUZV8clqM6x3//3zxhuxnyUCEItvWS4lIE=; b=c3SjrhDjhGX4Onr0Csu+U3hW+gqDEGRCgG1fa+jJ7rfuHc0tk1Bt9x/N/QvoXFCW/r XZxqPHAEzoPPB05v8OaTjKvUKS4cZoszmL6VrHKfUaJ89p2bnExgvHCjxw9bPk+Z9bVp e5chIGCffZ1E9zc8PCDzYwPa40VDuRA7XMqhXIO4LaWKzw/YEc7P/uiMDT1KwmoRmAJd 9yXV+j13QRXAwb1rkBrCHZLRaIWHrlXacfHr8nzzsXmVq0kZ3EGMNkPu6xMALp6dE/Kt h1AOW35evSR3cYA/9dGKqscQ1DiN0glNyMQKdsuW2qPXyvt+i8mQ7cxnEHVf1XdW/lRg /HJA== X-Gm-Message-State: APjAAAU6aatEAXiDuaqw6/OgpNPzB7KpKOdcH+tln541eeZLVud46hsY P9E4p2BxmcV7CBWDDygltKD5QQ== X-Google-Smtp-Source: APXvYqwaDJpckqJ1JrVbZPbh8vFZ6XADgxx76CNzAlm8TnNSIoHONxdbgCmk6gW2sYiAbh73ok449A== X-Received: by 2002:a1c:4b01:: with SMTP id y1mr3010277wma.12.1577178118405; Tue, 24 Dec 2019 01:01:58 -0800 (PST) Received: from [10.230.41.59] ([192.19.215.251]) by smtp.gmail.com with ESMTPSA id v22sm1942400wml.11.2019.12.24.01.01.56 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 24 Dec 2019 01:01:57 -0800 (PST) Subject: Re: [PATCH v2 0/9] brcmfmac: add support for BCM4359 SDIO chipset To: Christian Hewitt , Soeren Moch Cc: Kalle Valo , Heiko Stuebner , linux-wireless@vger.kernel.org, brcm80211-dev-list.pdl@broadcom.com, brcm80211-dev-list@cypress.com, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Neil Armstrong References: <20191211235253.2539-1-smoch@web.de> <47DB71CE-ACC4-431D-9E66-D28A8C18C0A4@gmail.com> From: Arend Van Spriel Message-ID: <3c42d6de-670d-fee8-aa81-99f44d447e87@broadcom.com> Date: Tue, 24 Dec 2019 10:01:56 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1 MIME-Version: 1.0 In-Reply-To: <47DB71CE-ACC4-431D-9E66-D28A8C18C0A4@gmail.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 12/22/2019 5:35 AM, Christian Hewitt wrote: > >> On 19 Dec 2019, at 2:04 am, Soeren Moch wrote: >> >> I guess you need similar enhancements of the board device tree as in >> patch 8 of this series for your VIM3 board. > > Wider testing now points to a known SDIO issue (SoC bug) with Amlogic G12A/B hardware. The merged workaround for the bug was only tested with bcmdhd and brcmfmac may require tweaking as the same issue exhibits on an Amlogic G12B device with BCM4356 chip. Testing the series with Amlogic GXM (older) and SM1 (newer) hardware to exclude the SoC bug shows everything working as expected. Hi Christian, Can you elaborate on the "known SDIO issue"? Is it an issue with ADMA or something else. I am asking because there is a workaround in brcmfmac to avoid scatter-gather lists, which may or may not address the issue. Regards, Arend