From patchwork Mon Apr 17 17:05:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bitterblue Smith X-Patchwork-Id: 675022 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 60593C77B7A for ; Mon, 17 Apr 2023 17:05:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229490AbjDQRFt (ORCPT ); Mon, 17 Apr 2023 13:05:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37450 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229461AbjDQRFs (ORCPT ); Mon, 17 Apr 2023 13:05:48 -0400 Received: from mail-ej1-x62d.google.com (mail-ej1-x62d.google.com [IPv6:2a00:1450:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E3951448B for ; Mon, 17 Apr 2023 10:05:46 -0700 (PDT) Received: by mail-ej1-x62d.google.com with SMTP id sz19so8954127ejc.2 for ; Mon, 17 Apr 2023 10:05:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1681751145; x=1684343145; h=content-transfer-encoding:subject:from:cc:to:content-language :user-agent:mime-version:date:message-id:from:to:cc:subject:date :message-id:reply-to; bh=WJBu1cDB2rDY4+OXJSC6bVwdAj9BGhH8dohZ1ZZQ5ug=; b=OfQOvzY9hZ9XckrRNfjM+O8UEq3Luwe/FD6aa2S1/y4lFfNcmcJ8VxYLCD4/EB1mOO cBh71VeBTy9oO2PNk+G9hhZxehVhddGsoudkgJhpOwrEcCoQ70oPWjyTb4Bh5ttva3oT IEPFDi7cZ6N6LdTtm9cyJpZnN5APoF20kV7yI7Fcs5gZ2/vJEyYvOmqgo/yB7qlV/d19 u9Q8yHbQ9STOqYszVDQZvt+kaBR32lS5R7JlR5DlHvXRKJZSPBB4v34HgEsrxFfCUdmR 2jGZzoCzrXFOLX2BXxZhTzkZQSdxXQUpInf/hYA5VWQ0Skq5yC4aPAtPcrBsUFjipuB/ Tw4g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681751145; x=1684343145; h=content-transfer-encoding:subject:from:cc:to:content-language :user-agent:mime-version:date:message-id:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=WJBu1cDB2rDY4+OXJSC6bVwdAj9BGhH8dohZ1ZZQ5ug=; b=JwF/Br38AdwzgDg+4yj3EpkuKzas8hvRstNpzed0+Iczt9BGb8e/y0roUEh2q1KVnY lu9rFUZfNX78NcwnrGhFsiHmFkR/0KTznBhnbJ4bPcpRwy/lN9VGoW1biuO+VBQ8ODwm Nv40722bJJ1yJHo4AHj+UZqvKmpX5Sbjg9qo3s4SUWpTNl1q+mQCTNeonCBNxJU1Q4Lq jwXJNrqmKRGW0uQWp47rcKb3oI4RtBHJfVsCdmYcW1awYDSgSnDrFv/sEQESkB26Td42 vp3u770TT7JBH3QpdTjzCF9PSHziwkByPhDI3A0fZomRTKQHjlimse7UpPRA9gSakLlq cOpg== X-Gm-Message-State: AAQBX9dHl5+xqFdO04pJ+9AR+1sw2bUUbZkfbGfhFSBis6DNNoSwstUG 539m5A2HGb5XW6gwNPAckIRciKIuQiU= X-Google-Smtp-Source: AKy350Zh/G0QEYAUlP9YZocnv5ly+kdTaoKjWJ4cy95p0Lw4q6/XOfrssPNwK/OXUFpMJDPMaDvbdQ== X-Received: by 2002:a17:906:3d71:b0:94f:61b2:c991 with SMTP id r17-20020a1709063d7100b0094f61b2c991mr4246330ejf.74.1681751145204; Mon, 17 Apr 2023 10:05:45 -0700 (PDT) Received: from [192.168.1.50] ([81.196.40.55]) by smtp.gmail.com with ESMTPSA id wy6-20020a170906fe0600b0094ee88207d5sm5155806ejb.191.2023.04.17.10.05.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 17 Apr 2023 10:05:44 -0700 (PDT) Message-ID: Date: Mon, 17 Apr 2023 20:05:43 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Content-Language: en-US To: "linux-wireless@vger.kernel.org" Cc: Jes Sorensen , Ping-Ke Shih From: Bitterblue Smith Subject: [PATCH 1/3] wifi: rtl8xxxu: Don't print the vendor/product/serial Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Most devices have a vendor name, product name, and serial number in the efuse, but it's pretty useless. It duplicates the information already printed by the USB subsystem: usb 1-4: New USB device found, idVendor=0bda, idProduct=8178, bcdDevice= 2.00 usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-4: Product: 802.11n WLAN Adapter usb 1-4: Manufacturer: Realtek usb 1-4: SerialNumber: 00e04c000001 -> usb 1-4: Vendor: Realtek -> usb 1-4: Product: 802.11n WLAN Adapter usb 1-4: New USB device found, idVendor=0bda, idProduct=818b, bcdDevice= 2.00 usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-4: Product: 802.11n NIC usb 1-4: Manufacturer: Realtek usb 1-4: SerialNumber: 00e04c000001 -> usb 1-4: Vendor: Realtek -> usb 1-4: Product: 802.11n NIC -> usb 1-4: Serial not available. usb 1-4: New USB device found, idVendor=0bda, idProduct=f179, bcdDevice= 0.00 usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-4: Product: 802.11n usb 1-4: Manufacturer: Realtek usb 1-4: SerialNumber: 002E2DC0041F -> usb 1-4: Vendor: Realtek -> usb 1-4: Product: 802.11n usb 1-4: New USB device found, idVendor=0bda, idProduct=8179, bcdDevice= 0.00 usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-4: Product: 802.11n NIC usb 1-4: Manufacturer: Realtek usb 1-4: SerialNumber: 00E04C0001 -> usb 1-4: Vendor: Realtek -> usb 1-4: Product: 802.11n NIC -> usb 1-4: Serial: 00E04C0001 Also, that data is not interpreted correctly in all cases: usb 3-1.1.2: New USB device found, idVendor=0bda, idProduct=8179, bcdDevice= 0.00 usb 3-1.1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 3-1.1.2: Product: 802.11n NIC usb 3-1.1.2: Manufacturer: Realtek usb 3-1.1.2: Vendor: Realtek usb 3-1.1.2: Product: \x03802.11n NI usb 3-1.1.2: Serial: \xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff Link: https://bugzilla.kernel.org/show_bug.cgi?id=217231 Signed-off-by: Bitterblue Smith Reviewed-by: Ping-Ke Shih --- .../realtek/rtl8xxxu/rtl8xxxu_8188e.c | 4 -- .../realtek/rtl8xxxu/rtl8xxxu_8188f.c | 3 -- .../realtek/rtl8xxxu/rtl8xxxu_8192c.c | 5 -- .../realtek/rtl8xxxu/rtl8xxxu_8192e.c | 54 ------------------- .../realtek/rtl8xxxu/rtl8xxxu_8723a.c | 4 -- .../realtek/rtl8xxxu/rtl8xxxu_8723b.c | 3 -- 6 files changed, 73 deletions(-) diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c index af8436070ba7..8986783ae8fa 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c @@ -568,10 +568,6 @@ static int rtl8188eu_parse_efuse(struct rtl8xxxu_priv *priv) priv->default_crystal_cap = efuse->xtal_k & 0x3f; - dev_info(&priv->udev->dev, "Vendor: %.7s\n", efuse->vendor_name); - dev_info(&priv->udev->dev, "Product: %.11s\n", efuse->device_name); - dev_info(&priv->udev->dev, "Serial: %.11s\n", efuse->serial); - return 0; } diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c index dfb250adb168..dbdfd7787465 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c @@ -734,9 +734,6 @@ static int rtl8188fu_parse_efuse(struct rtl8xxxu_priv *priv) priv->default_crystal_cap = efuse->xtal_k & 0x3f; - dev_info(&priv->udev->dev, "Vendor: %.7s\n", efuse->vendor_name); - dev_info(&priv->udev->dev, "Product: %.7s\n", efuse->device_name); - return 0; } diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192c.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192c.c index caeba56241fc..b30a9a513cb8 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192c.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192c.c @@ -441,11 +441,6 @@ static int rtl8192cu_parse_efuse(struct rtl8xxxu_priv *priv) efuse->ht20_max_power_offset, sizeof(efuse->ht20_max_power_offset)); - dev_info(&priv->udev->dev, "Vendor: %.7s\n", - efuse->vendor_name); - dev_info(&priv->udev->dev, "Product: %.20s\n", - efuse->device_name); - priv->power_base = &rtl8192c_power_base; if (efuse->rf_regulatory & 0x20) { diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c index 4498748164af..fcc2926ea938 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8192e.c @@ -601,43 +601,9 @@ rtl8192e_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40) } } -static void rtl8192eu_log_next_device_info(struct rtl8xxxu_priv *priv, - char *record_name, - char *device_info, - unsigned int *record_offset) -{ - char *record = device_info + *record_offset; - - /* A record is [ total length | 0x03 | value ] */ - unsigned char l = record[0]; - - /* - * The whole device info section seems to be 80 characters, make sure - * we don't read further. - */ - if (*record_offset + l > 80) { - dev_warn(&priv->udev->dev, - "invalid record length %d while parsing \"%s\" at offset %u.\n", - l, record_name, *record_offset); - return; - } - - if (l >= 2) { - char value[80]; - - memcpy(value, &record[2], l - 2); - value[l - 2] = '\0'; - dev_info(&priv->udev->dev, "%s: %s\n", record_name, value); - *record_offset = *record_offset + l; - } else { - dev_info(&priv->udev->dev, "%s not available.\n", record_name); - } -} - static int rtl8192eu_parse_efuse(struct rtl8xxxu_priv *priv) { struct rtl8192eu_efuse *efuse = &priv->efuse_wifi.efuse8192eu; - unsigned int record_offset; int i; if (efuse->rtl_id != cpu_to_le16(0x8129)) @@ -684,26 +650,6 @@ static int rtl8192eu_parse_efuse(struct rtl8xxxu_priv *priv) priv->default_crystal_cap = priv->efuse_wifi.efuse8192eu.xtal_k & 0x3f; - /* - * device_info section seems to be laid out as records - * [ total length | 0x03 | value ] so: - * - vendor length + 2 - * - 0x03 - * - vendor string (not null terminated) - * - product length + 2 - * - 0x03 - * - product string (not null terminated) - * Then there is one or 2 0x00 on all the 4 devices I own or found - * dumped online. - * As previous version of the code handled an optional serial - * string, I now assume there may be a third record if the - * length is not 0. - */ - record_offset = 0; - rtl8192eu_log_next_device_info(priv, "Vendor", efuse->device_info, &record_offset); - rtl8192eu_log_next_device_info(priv, "Product", efuse->device_info, &record_offset); - rtl8192eu_log_next_device_info(priv, "Serial", efuse->device_info, &record_offset); - return 0; } diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c index d219be19d07f..15a30e496221 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c @@ -222,10 +222,6 @@ static int rtl8723au_parse_efuse(struct rtl8xxxu_priv *priv) priv->power_base = &rtl8723a_power_base; - dev_info(&priv->udev->dev, "Vendor: %.7s\n", - efuse->vendor_name); - dev_info(&priv->udev->dev, "Product: %.41s\n", - efuse->device_name); return 0; } diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c index c31c2b52ac77..abc56c7de6f7 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c @@ -494,9 +494,6 @@ static int rtl8723bu_parse_efuse(struct rtl8xxxu_priv *priv) priv->default_crystal_cap = priv->efuse_wifi.efuse8723bu.xtal_k & 0x3f; - dev_info(&priv->udev->dev, "Vendor: %.7s\n", efuse->vendor_name); - dev_info(&priv->udev->dev, "Product: %.41s\n", efuse->device_name); - return 0; }