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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 69000C5479D for ; Mon, 9 Jan 2023 09:59:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234032AbjAIJ7C (ORCPT ); Mon, 9 Jan 2023 04:59:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49288 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237085AbjAIJ56 (ORCPT ); Mon, 9 Jan 2023 04:57:58 -0500 Received: from mail-wr1-x42e.google.com (mail-wr1-x42e.google.com [IPv6:2a00:1450:4864:20::42e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5BFED21AB for ; Mon, 9 Jan 2023 01:56:01 -0800 (PST) Received: by mail-wr1-x42e.google.com with SMTP id bn26so7589061wrb.0 for ; Mon, 09 Jan 2023 01:56:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=in-reply-to:from:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to; bh=J4wqg/VIiIejJQ2c7NYjMlpyehCdLVvjwZeGC2ai3N0=; b=Lni2Y1OwH3kWEyMfLhzSXfwWWALbIBDzAt9La0bC3+8AFXE5khURIr5yCPkbt4u7cZ MM7OzALJjNvXt6dDAi9yzDgaIp4iiEYMXL+YSmS0W0BPBz8cr/7K/W2E2EjJawMllfT8 URwl6XalvxZ+ln4AhlL86gKWg4lCw/QnHWOK4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:from:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=J4wqg/VIiIejJQ2c7NYjMlpyehCdLVvjwZeGC2ai3N0=; b=qgMCdBuFMn8wdqcTgibMsu/v+sWnDSUNa09iNHCnuEXrOjvKZudgrobVJKOfIUWrI1 rtKgE8SbuXLXoBz1BfGoa5B+Q4eKI24X44KQNGFvWPxXzGAuAdvHKwQwex1+2mF8rzhS 96g+Ahd2hF6WKx9nt7D2fFY842GrxC6C7HXMiH06jdrwwBMPmNa3dO8ujSgaw7oo7ZQd 0Y4yqAm3Or5e+scThr7tAUyfumYS8sZSA5p05LzFxcVaxhKzPlyjqkj/nIK13TPOAwjS NUD8Loa7Wib57DTyToZD5dJSwhjEFWIbWmHFNJeVl3sxDDVG3vAxRdWBtCWFio1zqO8V 9LBQ== X-Gm-Message-State: AFqh2kq2u1MQ01WiAK8lns1KZCmTBzrMRO5UHKf34pF829lWpXJVEdGk +K2wkAXs09VgSxgv84d1bZ7r1Q== X-Google-Smtp-Source: AMrXdXtLiFn/TLTJ77arxrg9ItSrUFAwEL69O6StOfmNLf5ubFmXgqq3yiysHiyfT/G11rOHB/q6rg== X-Received: by 2002:adf:d22c:0:b0:2bb:eaae:3096 with SMTP id k12-20020adfd22c000000b002bbeaae3096mr2493742wrh.8.1673258159886; Mon, 09 Jan 2023 01:55:59 -0800 (PST) Received: from [10.230.42.27] ([192.19.152.250]) by smtp.gmail.com with ESMTPSA id f7-20020a5d6647000000b002bbeb700c38sm2996279wrw.91.2023.01.09.01.55.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 09 Jan 2023 01:55:59 -0800 (PST) Message-ID: Date: Mon, 9 Jan 2023 10:55:58 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.6.1 Subject: Re: [PATCH for-6.2] wifi: brcmfmac: fix regression for Broadcom PCIe wifi devices To: Kalle Valo Cc: linux-wireless@vger.kernel.org, chainofflowers References: <20230109095020.412475-1-arend.vanspriel@broadcom.com> From: Arend van Spriel In-Reply-To: <20230109095020.412475-1-arend.vanspriel@broadcom.com> Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="00000000000040ac7d05f1d1c6f2" Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org --00000000000040ac7d05f1d1c6f2 Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 1/9/2023 10:50 AM, Arend van Spriel wrote: > A sanity check was introduced by [1] considering maximum flowrings > above 256 as insane and effectively aborting the device probe. This > resulted in regression for number of users and it is also tracked > in bugzilla [2]. > > [1] https://lore.kernel.org/all/20220929031001.9962-3-ian.lin@infineon.com/ > [2] https://bugzilla.kernel.org/show_bug.cgi?id=216894 > > Fixes: 2aca4f3734bd ("brcmfmac: return error when getting invalid max_flowrings from dongle") > Reported-by: chainofflowers > Signed-off-by: Arend van Spriel > --- > drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c > index ae57a9a3ab05..b67f6d0810b6 100644 > --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c > +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c > @@ -1228,7 +1228,7 @@ static int brcmf_pcie_init_ringbuffers(struct brcmf_pciedev_info *devinfo) > BRCMF_NROF_H2D_COMMON_MSGRINGS; > max_completionrings = BRCMF_NROF_D2H_COMMON_MSGRINGS; > } > - if (max_flowrings > 256) { > + if (max_flowrings > 512) { This check was added to detect firmware init failure. There should be a better way than using this parameter. For now I decided to simply double the limit to get the regression fixed. > brcmf_err(bus, "invalid max_flowrings(%d)\n", max_flowrings); > return -EIO; > } --00000000000040ac7d05f1d1c6f2 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIIQdwYJKoZIhvcNAQcCoIIQaDCCEGQCAQExDzANBglghkgBZQMEAgEFADALBgkqhkiG9w0BBwGg gg3OMIIFDTCCA/WgAwIBAgIQeEqpED+lv77edQixNJMdADANBgkqhkiG9w0BAQsFADBMMSAwHgYD VQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEGA1UEChMKR2xvYmFsU2lnbjETMBEGA1UE AxMKR2xvYmFsU2lnbjAeFw0yMDA5MTYwMDAwMDBaFw0yODA5MTYwMDAwMDBaMFsxCzAJBgNVBAYT AkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTEwLwYDVQQDEyhHbG9iYWxTaWduIEdDQyBS MyBQZXJzb25hbFNpZ24gMiBDQSAyMDIwMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA vbCmXCcsbZ/a0fRIQMBxp4gJnnyeneFYpEtNydrZZ+GeKSMdHiDgXD1UnRSIudKo+moQ6YlCOu4t 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