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=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 62178CA9EC7 for ; Wed, 30 Oct 2019 23:01:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 335CD20659 for ; Wed, 30 Oct 2019 23:01:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=eero.com header.i=@eero.com header.b="uB3dyAzV" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727401AbfJ3XBr (ORCPT ); Wed, 30 Oct 2019 19:01:47 -0400 Received: from mail-pg1-f196.google.com ([209.85.215.196]:33670 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727208AbfJ3XBr (ORCPT ); Wed, 30 Oct 2019 19:01:47 -0400 Received: by mail-pg1-f196.google.com with SMTP id u23so2576927pgo.0 for ; Wed, 30 Oct 2019 16:01:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=eero.com; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding:content-language; bh=8Lz1NNvigcKa6eRoeOWl2YolOALtlfrxF/EmT63uI+Y=; b=uB3dyAzVlNxnwlYOYXWGhK20MKllXL+uJTuMZvZmsbLUF1gCbFXi9F5YLP8hC5fnNS 8n6XmP1sYzPDz7ZDkFYyOWGjrUyZQlaZCaKyizbMv4rsKBxkjBZuh+UZjgvUurCfRIso NLw4dAaATcnd39sEP3itAjI5dS4f/G0ZQIUWA= 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-transfer-encoding :content-language; bh=8Lz1NNvigcKa6eRoeOWl2YolOALtlfrxF/EmT63uI+Y=; b=PVHz19HezB/MNDvgpCL+y9GavcdvBwHnuqaRohmIrsvbNBiOPRvw5PWRhamnL4nrp8 6w7ELeV/F30qB7vU023IewhY9CrNEAq9BftvTxddT/t8oAHyjTrZI/4nwIn5aa+5eNPG 83oYP0+D1q+3nGI8wjnDqVimblaDIU3xQelRyPI5/+zF2Qi5YDsmYebFxfiu9MY5VBxM /N+lepeerHaCOlR1Tcxj0NM04+bboGPQZOedb0Z2U6nj39uVDl5Przdk9t10snRjXuFg IktMTKRRqxSBHBZqQxUuF4IwH3qOY3IEr++BTLB1Yp32Ot/rREEpZ04WR78tdyNRlppl i7Hw== X-Gm-Message-State: APjAAAV4fIizxRtCcalvTh2bMCIr4zQO9+JX7CQSfwFzczEcPV7WfEwo TkTERfxfZmziyhymJiUfAll9u2NpbOlqHw== X-Google-Smtp-Source: APXvYqwuydGy/fwcla17q99240a+6A7gF6qG3YHcI8hCejGE9jNRoVUcp9RAlNVwFfQWkWyiNjrwNA== X-Received: by 2002:a63:ed4a:: with SMTP id m10mr2076498pgk.255.1572476506100; Wed, 30 Oct 2019 16:01:46 -0700 (PDT) Received: from [10.0.2.15] (eero.static.monkeybrains.net. [199.116.72.162]) by smtp.gmail.com with ESMTPSA id c12sm1028271pfp.178.2019.10.30.16.01.44 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 30 Oct 2019 16:01:45 -0700 (PDT) Subject: Re: [PATCH RFC] Revert "ath10k: fix DMA related firmware crashes on multiple devices" To: zhichen@codeaurora.org Cc: ath10k@lists.infradead.org, linux-wireless@vger.kernel.org References: <1571734629-18028-1-git-send-email-zhichen@codeaurora.org> <8c6d531f6474faf4df55f90185466774@codeaurora.org> From: Peter Oh Message-ID: <3f108a96-3ea5-79c0-54d5-b2f26a3e0a9a@eero.com> Date: Wed, 30 Oct 2019 16:01:42 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <8c6d531f6474faf4df55f90185466774@codeaurora.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On 10/29/19 11:16 PM, zhichen@codeaurora.org wrote: > On 2019-10-23 01:16, Peter Oh wrote: >> >> How can you say value 0 (I believe it's 64 bytes) DMA burst size >> causes the symptom and 1 fixes it? >> >> Peter > > Confirmed from HW team that the configuration controls AXI burst size > of the RD/WR access to the HOST MEM. > 0-    No split , RAW read/write transfer size from MAC is put out on > bus as burst length. > 1-    Split at 256 byte boundary > 2,3- Reserved > I would ACK to this change. Although QCA4019 host mem max AXI read/write registers have different descriptions from above, they say 1 (256-byte) is default and the values, 0, 2, and 3 are reserved. So changing it back to 1 is reasonable to me. Thanks, Peter From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-pg1-x541.google.com ([2607:f8b0:4864:20::541]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iPwyK-0001LC-Cr for ath10k@lists.infradead.org; Wed, 30 Oct 2019 23:01:49 +0000 Received: by mail-pg1-x541.google.com with SMTP id p12so2556911pgn.6 for ; Wed, 30 Oct 2019 16:01:46 -0700 (PDT) Subject: Re: [PATCH RFC] Revert "ath10k: fix DMA related firmware crashes on multiple devices" References: <1571734629-18028-1-git-send-email-zhichen@codeaurora.org> <8c6d531f6474faf4df55f90185466774@codeaurora.org> From: Peter Oh Message-ID: <3f108a96-3ea5-79c0-54d5-b2f26a3e0a9a@eero.com> Date: Wed, 30 Oct 2019 16:01:42 -0700 MIME-Version: 1.0 In-Reply-To: <8c6d531f6474faf4df55f90185466774@codeaurora.org> Content-Language: en-US List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "ath10k" Errors-To: ath10k-bounces+kvalo=adurom.com@lists.infradead.org To: zhichen@codeaurora.org Cc: linux-wireless@vger.kernel.org, ath10k@lists.infradead.org Ck9uIDEwLzI5LzE5IDExOjE2IFBNLCB6aGljaGVuQGNvZGVhdXJvcmEub3JnIHdyb3RlOgo+IE9u IDIwMTktMTAtMjMgMDE6MTYsIFBldGVyIE9oIHdyb3RlOgo+Pgo+PiBIb3cgY2FuIHlvdSBzYXkg dmFsdWUgMCAoSSBiZWxpZXZlIGl0J3MgNjQgYnl0ZXMpIERNQSBidXJzdCBzaXplCj4+IGNhdXNl cyB0aGUgc3ltcHRvbSBhbmQgMSBmaXhlcyBpdD8KPj4KPj4gUGV0ZXIKPgo+IENvbmZpcm1lZCBm cm9tIEhXIHRlYW0gdGhhdCB0aGUgY29uZmlndXJhdGlvbiBjb250cm9scyBBWEkgYnVyc3Qgc2l6 ZSAKPiBvZiB0aGUgUkQvV1IgYWNjZXNzIHRvIHRoZSBIT1NUIE1FTS4KPiAwLcKgwqDCoCBObyBz cGxpdCAsIFJBVyByZWFkL3dyaXRlIHRyYW5zZmVyIHNpemUgZnJvbSBNQUMgaXMgcHV0IG91dCBv biAKPiBidXMgYXMgYnVyc3QgbGVuZ3RoLgo+IDEtwqDCoMKgIFNwbGl0IGF0IDI1NiBieXRlIGJv dW5kYXJ5Cj4gMiwzLSBSZXNlcnZlZAo+Ckkgd291bGQgQUNLIHRvIHRoaXMgY2hhbmdlLiBBbHRo b3VnaCBRQ0E0MDE5IGhvc3QgbWVtIG1heCBBWEkgcmVhZC93cml0ZSAKcmVnaXN0ZXJzIGhhdmUg ZGlmZmVyZW50IGRlc2NyaXB0aW9ucyBmcm9tIGFib3ZlLCB0aGV5IHNheSAxICgyNTYtYnl0ZSkg CmlzIGRlZmF1bHQgYW5kIHRoZSB2YWx1ZXMsIDAsIDIsIGFuZCAzIGFyZSByZXNlcnZlZC4gU28g Y2hhbmdpbmcgaXQgYmFjayAKdG8gMSBpcyByZWFzb25hYmxlIHRvIG1lLgoKClRoYW5rcywKClBl dGVyCgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KYXRo MTBrIG1haWxpbmcgbGlzdAphdGgxMGtAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMu aW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2F0aDEwawo=