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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 4868AC4338F for ; Thu, 22 Jul 2021 19:42:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2B01E60EB5 for ; Thu, 22 Jul 2021 19:42:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230079AbhGVTCB (ORCPT ); Thu, 22 Jul 2021 15:02:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34068 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229745AbhGVTCA (ORCPT ); Thu, 22 Jul 2021 15:02:00 -0400 Received: from mail-il1-x12b.google.com (mail-il1-x12b.google.com [IPv6:2607:f8b0:4864:20::12b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4AE57C061757 for ; Thu, 22 Jul 2021 12:42:35 -0700 (PDT) Received: by mail-il1-x12b.google.com with SMTP id j5so6473464ilk.3 for ; Thu, 22 Jul 2021 12:42:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ojab.ru; s=ojab; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=bEuCuHt84F523pMpVlgmLvJ4UIBF4EoLTs4dbDpATW8=; b=mKU59JZsPpk4Uwrh9veqroWHFfmAS+JdwuvxLQdk+8vF9zAFjuiNoiHEI24a2DukKo 5MhOTtxunUNS4hbaqrDkjLwYr76tA5g73A4+lczu0NSSiOmMb+UKUc6r6h99MW6A5+b9 Q7bvYpxu1Mon2J4EnpLpVzxK+RGPMCxddZpU/EWqjSdsZnK8PKC4m/3T/xuu5KrT1ASi wyy/tEO03vbX5aFkjMVtqkhVlsb6N31yshFICDUkrcKUmWz8qhBs0tytE1iqSKSKgECD tpPtwFrUdXvO7VCKWdKQKxmu2xurNAK46JCBbIFn7O5l/cT9FyPL2gorlJMGX2WfLV2Q qnEg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=bEuCuHt84F523pMpVlgmLvJ4UIBF4EoLTs4dbDpATW8=; b=mtWyI7/ImPiMMn2Dn0pBgL4h5NthwNLC7mmjq2y1aOGIRlUiSOKAzC6CG5/LgNhpOJ j96FjhJB/TPhZWI1wQv8sFN28xLwJkiZPLEegtHGscw+i+AGAcaedYEaHA/TrTkWlHQF OoLxu2i5JVww0E4L9mGGhrVFY4ppeMpS5h42+kEPNijvfzGd1CUBj4XgP8xMnue12ZAL y6mVtJLvJaCmYG1OCsFSRuVrnrh45ACNz/gND7DfvlsZTc4YfACl2+Kx+OChRIB9CFAZ SMBC5h//BTZmp78R0RD7RyUqxCHItgQFSxl1OGei/mSmHqIvXVWF0w9YUp4/x/cXvTIK lTMg== X-Gm-Message-State: AOAM531zaFYbmljK8MRdb5UWQrnOClwa6PVSmLHeDpyVpoirQYx/YLJJ 8obe+6z6dvcl8fUp3sUG6jzTm8I0mrBUJHtkbB0cqw== X-Google-Smtp-Source: ABdhPJyMABrkiHTJMS9LZm/CFEJBy6P8UgBeaGafeRs22DUJ5aaCx9PBDCrxo0HZCPVZx1y0wGfrIk1R5ZHDwpeYc/o= X-Received: by 2002:a05:6e02:1d0f:: with SMTP id i15mr893058ila.199.1626982954711; Thu, 22 Jul 2021 12:42:34 -0700 (PDT) MIME-Version: 1.0 References: <20210722193459.7474-1-ojab@ojab.ru> In-Reply-To: <20210722193459.7474-1-ojab@ojab.ru> From: "ojab //" Date: Thu, 22 Jul 2021 22:42:23 +0300 Message-ID: Subject: Re: [PATCH V2] ath10k: don't fail if IRAM write fails To: Kalle Valo , "David S. Miller" , Jakub Kicinski , axel.rasmussen1@gmail.com Cc: ath10k@lists.infradead.org, Linux Wireless , netdev@vger.kernel.org, LKML Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org See also: https://lists.infradead.org/pipermail/ath10k/2021-May/012626.html On Thu, 22 Jul 2021 at 22:36, ojab wrote: > > After reboot with kernel & firmware updates I found `failed to copy > target iram contents:` in dmesg and missing wlan interfaces for both > of my QCA9984 compex cards. Rolling back kernel/firmware didn't fixed > it, so while I have no idea what's actually happening, I don't see why > we should fail in this case, looks like some optional firmware ability > that could be skipped. > > Also with additional logging there is > ``` > [ 6.839858] ath10k_pci 0000:04:00.0: No hardware memory > [ 6.841205] ath10k_pci 0000:04:00.0: failed to copy target iram contents: -12 > [ 6.873578] ath10k_pci 0000:07:00.0: No hardware memory > [ 6.875052] ath10k_pci 0000:07:00.0: failed to copy target iram contents: -12 > ``` > so exact branch could be seen. > > Signed-off-by: Slava Kardakov > --- > Of course I forgot to sing off, since I don't use it by default because I > hate my real name and kernel requires it > > drivers/net/wireless/ath/ath10k/core.c | 9 ++++++--- > 1 file changed, 6 insertions(+), 3 deletions(-) > > diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c > index 2f9be182fbfb..d9fd5294e142 100644 > --- a/drivers/net/wireless/ath/ath10k/core.c > +++ b/drivers/net/wireless/ath/ath10k/core.c > @@ -2691,8 +2691,10 @@ static int ath10k_core_copy_target_iram(struct ath10k *ar) > u32 len, remaining_len; > > hw_mem = ath10k_coredump_get_mem_layout(ar); > - if (!hw_mem) > + if (!hw_mem) { > + ath10k_warn(ar, "No hardware memory"); > return -ENOMEM; > + } > > for (i = 0; i < hw_mem->region_table.size; i++) { > tmp = &hw_mem->region_table.regions[i]; > @@ -2702,8 +2704,10 @@ static int ath10k_core_copy_target_iram(struct ath10k *ar) > } > } > > - if (!mem_region) > + if (!mem_region) { > + ath10k_warn(ar, "No memory region"); > return -ENOMEM; > + } > > for (i = 0; i < ar->wmi.num_mem_chunks; i++) { > if (ar->wmi.mem_chunks[i].req_id == > @@ -2917,7 +2921,6 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode, > if (status) { > ath10k_warn(ar, "failed to copy target iram contents: %d", > status); > - goto err_hif_stop; > } > } > > -- > 2.32.0