From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 13936286899; Mon, 5 May 2025 22:28:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746484138; cv=none; b=FD97PzZUpgVRi+rI9x3k3fbaRIsnVw4tbJU9oNi76Oww2LOAjBYiBdwuVvoBWfl44/fVtH7zVL59tEEGOWUwTto7i9kGcJ/qoJJx4IKiNnyupoOkDxXv2hrGktb4qpX6dSjj/mBnJ8w9h295GBCUglUoZnntV7rMVzHDErmOUNw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746484138; c=relaxed/simple; bh=0PeuTbO+NKhSwoD3WIVNVMp/eT1XP+eyoWerkm2g7Bo=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=HQ2vlZXNtpM1ZIZFd72kufWy363JDbnSY6+iDuZNO6fBzKD8MrGb6YUzyL6eBRHYNvw5ohzjbWCKa8cKFTSqf8sm0Zi7BsPPkIyLDJmEsqc+ERbJzRIYIHZbxthmhXC2bIUT2thQ5801zysXHl7y7pA1waFdVr8WRu9/vYOAsMk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=j1UhILo8; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="j1UhILo8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B5A45C4CEED; Mon, 5 May 2025 22:28:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746484137; bh=0PeuTbO+NKhSwoD3WIVNVMp/eT1XP+eyoWerkm2g7Bo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=j1UhILo8vv1om9THQnsE3TZ9oeTMy82f3QwWiQeKXtpwT+pvyXLcqVSHU05KO0RSh aEolNsS0Mcc07GhdH+JSTuJ0touZ4KwEYzKZ2cOXPiYEJH5+lwrC7nL450VKnTcgaE /964h7nLWp4KlmvQjmB/o1357luf8kuxeQzA2TSjvuu1EIEP5vvOq4RSg+GknW7Mtw f/j88yJdt+BGm7TxAxG1E9YYGzhM8E/f1DCqHccEWYPyDX1wKMz+VCcyvssQ/NZ+nP r9OzHzONtbmeQuwFPUKBAjzPnRjESefMlcP9VA7zOoRIsJ2I6KOYfj7PX/Lhgdc9Cr FtkJAxSvWCx4Q== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Bitterblue Smith , Ping-Ke Shih , Sasha Levin , linux-wireless@vger.kernel.org Subject: [PATCH AUTOSEL 6.14 367/642] wifi: rtw88: Fix rtw_mac_power_switch() for RTL8814AU Date: Mon, 5 May 2025 18:09:43 -0400 Message-Id: <20250505221419.2672473-367-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250505221419.2672473-1-sashal@kernel.org> References: <20250505221419.2672473-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.14.5 Content-Transfer-Encoding: 8bit From: Bitterblue Smith [ Upstream commit e66bca16638ee59e997f9d9a3711b3ae587d04d9 ] rtw_mac_power_switch() checks bit 8 of REG_SYS_STATUS1 to see if the chip is powered on. This bit appears to be always on in the RTL8814AU, so ignore it. Signed-off-by: Bitterblue Smith Acked-by: Ping-Ke Shih Signed-off-by: Ping-Ke Shih Link: https://patch.msgid.link/2f0fcffb-3067-4d95-a68c-f2f3a5a47921@gmail.com Signed-off-by: Sasha Levin --- drivers/net/wireless/realtek/rtw88/mac.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/realtek/rtw88/mac.c b/drivers/net/wireless/realtek/rtw88/mac.c index cae9cca6dca3d..ea6406df42b3d 100644 --- a/drivers/net/wireless/realtek/rtw88/mac.c +++ b/drivers/net/wireless/realtek/rtw88/mac.c @@ -291,6 +291,7 @@ static int rtw_mac_power_switch(struct rtw_dev *rtwdev, bool pwr_on) if (rtw_read8(rtwdev, REG_CR) == 0xea) cur_pwr = false; else if (rtw_hci_type(rtwdev) == RTW_HCI_TYPE_USB && + chip->id != RTW_CHIP_TYPE_8814A && (rtw_read8(rtwdev, REG_SYS_STATUS1 + 1) & BIT(0))) cur_pwr = false; else -- 2.39.5