From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from hqu.edu.cn (hqu.edu.cn [210.34.240.11]) by smtp.subspace.kernel.org (Postfix) with ESMTP id A15493A6B8D; Tue, 1 Sep 2026 12:47:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.34.240.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788266843; cv=none; b=Yt66ekYl+bAp8DO8Yr7dqWEFF85I2Ea+3zxd6FubVH7OeUFoVKMMRHxZL7iOdxc7f/7oGeDndQm2B+SL/wREl631JfCkjw+jQv+7TmU0H+fafJ8yGKyi1fCi+6KnTokOL0TYKqUQbrgHYSX1gwdjz5rtqYUou8NLDcr+x6SxzkA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788266843; c=relaxed/simple; bh=pLnwTvDRjVvusLgNDGg0U0/KU2wvU+6ZSTzyly2JB5o=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=pkO0NLbKiEcGlo4UVNY36aMO24eHBz9VJR7fmIVLQW1QTnNT8HnCYWdMffjsfLzQfqm5Haj90KCWHqR7JkDD3kctkgDecqBYZLvBqeTk3V9xE/HSePLOGjxDvmYdImxJ7Jz4P1k5kk6syNvwBrJwxzmVjzGXehZmY8iLIPxp/as= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=stu.hqu.edu.cn; spf=pass smtp.mailfrom=stu.hqu.edu.cn; arc=none smtp.client-ip=210.34.240.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=stu.hqu.edu.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=stu.hqu.edu.cn Received: from raspberry-nas (unknown [58.253.174.36]) by cmweb (Coremail) with SMTP id C_Ai0gAXetkByZZqhVcEAA--.8887S2; Tue, 01 Sep 2026 20:45:54 +0800 (CST) From: YuChia-Kan To: linux-wireless@vger.kernel.org Cc: pkshih@realtek.com, linux-kernel@vger.kernel.org, YuChia-Kan Subject: [PATCH] wifi: rtw88: use firmware MAC address as fallback Date: Tue, 1 Sep 2026 20:45:51 +0800 Message-ID: <20260901124551.3921506-1-raspberrykan@stu.hqu.edu.cn> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID:C_Ai0gAXetkByZZqhVcEAA--.8887S2 X-Coremail-Antispam: 1UD129KBjvdXoWruw13tFW3GryDJF17tFW8Zwb_yoWktrgE9F 1jkF93AFyUGw1SkrWYkFZ3ArWFkayjvrn7W39Fq393J3y5XFZxZr1rZ3ZxJrn5ZrsrCr1D JryDX3W8Z398AjkaLaAFLSUrUUUUbb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbsAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AKxVW8Jr 0_Cr1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj 6xIIjxv20xvE14v26r106r15McIj6I8E87Iv67AKxVW8JVWxJwAm72CE4IkC6x0Yz7v_Jr 0_Gr1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkF7I0En4kS14v2 6r126r1DMxkIecxEwVAFwVW5JwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJV W8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF 1VAFwI0_JF0_Jw1lIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6x IIjxv20xvEc7CjxVAFwI0_Jr0_Gr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvE x4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Jr0_GrUvcSsGvfC2KfnxnU UI43ZEXa7VUjjNt3UUUUU== X-CM-SenderInfo: ysvskiyqsqlko6vw3hxktxhvlgxou0/1tbiAQAEBGqGKVQBbAAEs5 Some devices provide the Wi-Fi MAC address through firmware instead of storing a valid address in the chip efuse. Try to read the MAC address from firmware before falling back to a randomly generated address. Signed-off-by: YuChia-Kan --- drivers/net/wireless/realtek/rtw88/main.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c index cd9254370fcc..b9d8e0f5d15e 100644 --- a/drivers/net/wireless/realtek/rtw88/main.c +++ b/drivers/net/wireless/realtek/rtw88/main.c @@ -2060,8 +2060,12 @@ static int rtw_chip_efuse_info_setup(struct rtw_dev *rtwdev) efuse->ext_lna_5g = efuse->lna_type_5g & BIT(3) ? 1 : 0; if (!is_valid_ether_addr(efuse->addr)) { - eth_random_addr(efuse->addr); - dev_warn(rtwdev->dev, "efuse MAC invalid, using random\n"); + mac_ret = device_get_mac_address(rtwdev->dev, efuse->addr); + if (mac_ret) { + eth_random_addr(efuse->addr); + dev_warn(rtwdev->dev, + "failed to get valid MAC address, using random\n"); + } } out_disable: -- 2.53.0