From patchwork Mon Sep 30 06:43:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "mike.seo" X-Patchwork-Id: 831826 Received: from mail-pf1-f173.google.com (mail-pf1-f173.google.com [209.85.210.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1E4AB15383D for ; Mon, 30 Sep 2024 06:43:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.173 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727678623; cv=none; b=VD1bw9Bgr03dvCB681YkNbtCgqCwqjvWcz9FuhhbTX/Zd34tzKhwhmHpf2Et+AuF971OI8mduUFr+avVxDN/LqZeqfs/5bM6Iq8jSZczoK63sMIC+wGKH60hSiXPoxD9NApuTnfLPK47uefFv0rKO2NdnSudXxE7iBJajNhG0kw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727678623; c=relaxed/simple; bh=W22rFMM5kbxYsbJthyJDo3+5ln33GfHyahSbuwpm1Aw=; h=From:Date:To:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=aprNCzPtxx9k+cR4r/uVkKNDyVU7F8qFq7V2okrbkiFv50QNNjdEpGHHXliyeGGXPWd5R/qTlo0qDqm9VN89ZL0O37pqTDLVVujidaau4hQhBhwLVImrOdz09yMtFbxKx72f9k7747nLtHB06E4HW6HRCIWt6xMwg081GNmLOAM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=lbFEEjKs; arc=none smtp.client-ip=209.85.210.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="lbFEEjKs" Received: by mail-pf1-f173.google.com with SMTP id d2e1a72fcca58-718ebb01fd2so569658b3a.2 for ; Sun, 29 Sep 2024 23:43:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1727678620; x=1728283420; darn=vger.kernel.org; h=content-disposition:mime-version:message-id:subject:to:date:from :from:to:cc:subject:date:message-id:reply-to; bh=ssncNfbvoyXne2wtyTSVe+df367fyD46ctgwaaucNT4=; b=lbFEEjKseGf2KJz5xFYL+BYmiMyyYqclQzT7wIJEfni4oYe+gdllFxO2MsXlhMHp5/ oEU7+2/KboKCErV8UP4otLHZZoBzAjSQ3e3Dlo9bKRxcqL9sTGRd1VSbTvbE7dIek94R XPhZYUfnIVCReXO7lKiSqVAaE5lK8fnYgP8T69FvcP2ZpNnq8vvAwbVJnRnUhITp43cb SR8e6gIIYdbP3PEa1+E/FE4cvBcH6ogEC4CeTeollavY7SfIjymMHCHuZv/qd2NzGtuL U8SlcGdCkfGzIjA5AT8Vs+l3oxC8KmxKgmkI7LU/J673vWpm9rUCAyW3VxeTvk1qr5JS 7TpQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727678620; x=1728283420; h=content-disposition:mime-version:message-id:subject:to:date:from :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=ssncNfbvoyXne2wtyTSVe+df367fyD46ctgwaaucNT4=; b=OP73keEoh0L1BdYOqHSRZDVF9xANp3kJ/7DjUJ0SUm1sBtloPh3EAZnnIg7H4FdLeh fDWfN8krRO5ToBw8Xw7qX7lTsJ6gyjojrqGUaRZdh87Bjg9/XZ2dKLY5XVMhQiEt6x++ PRgExvfezvwiwAJe/7yqzPR/a8hi2OkctpnwqDrYXiPVfU967u7J7r6jmfKZQGRf8uvW 8XKtJOR+rURs9uRJ1kyCktZ4mN4jd8cVDMJQcMWihjxAlqi4OKUxgp6vz78xthmC3HyR 93BJ4lgWdGY4ybk06RMklYALR2rm0rkIwmTYNEy19hwRxOvZqifA8etPFlSHMuuOWGpb QxrA== X-Gm-Message-State: AOJu0YxTopzrBLP+6iEooDR88x0xbRyuFGILg2FHkqoI+vl0ZqZ5Bd5I RVARUmklVIqvk8+5dVL5a/ZS6RO5E7BtP4ChX/FYm+i+7n2gwrCHKXTnzyU9XBA= X-Google-Smtp-Source: AGHT+IHxxAF9+YHqZO5ZJlF8a3qMRGxpgKqfsUF9hE3j9oTofWq0XgrfJRYM0eR+RwHKzNaxrBa5fw== X-Received: by 2002:a05:6a21:328a:b0:1cf:4dae:2258 with SMTP id adf61e73a8af0-1d4fa6444d8mr7740213637.2.1727678620113; Sun, 29 Sep 2024 23:43:40 -0700 (PDT) Received: from mikeseo-0-1 ([27.122.242.78]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-7e6db294ebdsm5722579a12.19.2024.09.29.23.43.39 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 29 Sep 2024 23:43:39 -0700 (PDT) From: "mike.seo" X-Google-Original-From: "mike.seo" Date: Mon, 30 Sep 2024 15:43:37 +0900 To: linux-usb@vger.kernel.org Subject: [PATCH] r8152: Add mac address pass-thru for lg laptops Message-ID: Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline LG gram laptops support mac address pass-thru with usb lan adapter rtl8153b-2 devices using Realtek USB ethernet Vendor and Product IDs. ACPI objects of the gram laptops are safisfied to -AD. Signed-off-by: mike.seo --- drivers/net/usb/r8152.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index a5612c799f5e..3d4ffc582730 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -29,6 +29,7 @@ #include #include #include +#include /* Information for net-next */ #define NETNEXT_VERSION "12" @@ -949,6 +950,7 @@ struct r8152 { u32 support_2500full:1; u32 lenovo_macpassthru:1; + u32 lg_macpassthru:1; u32 dell_tb_rx_agg_bug:1; u16 ocp_base; u16 speed; @@ -1724,7 +1726,7 @@ static int vendor_mac_passthru_addr_read(struct r8152 *tp, struct sockaddr *sa) } else { /* test for -AD variant of RTL8153 */ ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0); - if ((ocp_data & AD_MASK) == 0x1000) { + if ((ocp_data & AD_MASK) == 0x1000 || tp->lg_macpassthru) { /* test for MAC address pass-through bit */ ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, EFUSE); if ((ocp_data & PASS_THRU_MASK) != 1) { @@ -9798,6 +9800,19 @@ static bool rtl8152_supports_lenovo_macpassthru(struct usb_device *udev) return 0; } +static bool rtl8152_supports_lg_macpassthru(struct usb_device *udev) +{ + int product_id = le16_to_cpu(udev->descriptor.idProduct); + int vendor_id = le16_to_cpu(udev->descriptor.idVendor); + const char *board = dmi_get_system_info(DMI_BOARD_VENDOR); + + if (!strncmp("LG Electronics", board, sizeof("LG Electronics"))) { + if (vendor_id == VENDOR_ID_REALTEK && product_id == 0x8153) + return 1; + } + return 0; +} + static int rtl8152_probe_once(struct usb_interface *intf, const struct usb_device_id *id, u8 version) { @@ -9872,6 +9887,7 @@ static int rtl8152_probe_once(struct usb_interface *intf, } tp->lenovo_macpassthru = rtl8152_supports_lenovo_macpassthru(udev); + tp->lg_macpassthru = rtl8152_supports_lg_macpassthru(udev); if (le16_to_cpu(udev->descriptor.bcdDevice) == 0x3011 && udev->serial && (!strcmp(udev->serial, "000001000000") ||