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 679FA7F460; Wed, 21 Feb 2024 14:13:40 +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=1708524820; cv=none; b=NmqMC9vfC7BYbEt3vCJ8YaWGxHcrJUrD/KZehbm5rfgmGhGVU4BlDQ/BXbSuwmE/W6Vbl4/u3DItUtvHTehV6BF62tzvVY98U5E9YZXT5Kqs2xR10SBiE/P3L+bt7XbhvSQnVUUkzLvZG+OKo0GGsevOaPDYqEMsUfumlYlA8sM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708524820; c=relaxed/simple; bh=N2+UzwXOM2ZVpshRmYz7bMTFiMlrbYxR0OXqbbc53So=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=KaFFETtSkR5JLDJmu9YtvqP3tEAtJzgHs5PhX6oz1V0CANHtsojTxgsMJnk/o8atk6QR0t2vRK5mTn6IOps9SRK6hX9y5h7Wb1YZrRmlXU0AwwXdT4YOgl3caeQogXiQwHK3wO21KgnWd7Vs+932Jb1vXAXuRoU+hFGfRHL1NCY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=gPqnOJAI; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="gPqnOJAI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C72E2C433C7; Wed, 21 Feb 2024 14:13:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1708524820; bh=N2+UzwXOM2ZVpshRmYz7bMTFiMlrbYxR0OXqbbc53So=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gPqnOJAIQfB+jzz71E8giuftcYU7RFWqBUEqp8C+X7GFk60cxA1Gg2558FE4HMS38 WIcawSMVIFNbXe1nKb95vYzloTKiHWhd5sW+VduYav1jCcsopPXaLdlYhKbQvugf4k 7ZOKlIlZquBxxKKOgYnbokGD7s/h8K1I12jbVS68= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= , Sasha Levin Subject: [PATCH 5.10 359/379] serial: 8250_exar: Fill in rs485_supported Date: Wed, 21 Feb 2024 14:08:58 +0100 Message-ID: <20240221130005.686719416@linuxfoundation.org> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240221125954.917878865@linuxfoundation.org> References: <20240221125954.917878865@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ilpo Järvinen [ Upstream commit 59c221f8e1269278161313048c71929c9950b2c4 ] Add information on supported serial_rs485 features. Signed-off-by: Ilpo Järvinen Link: https://lore.kernel.org/r/20220606100433.13793-8-ilpo.jarvinen@linux.intel.com Signed-off-by: Greg Kroah-Hartman Stable-dep-of: 0c2a5f471ce5 ("serial: 8250_exar: Set missing rs485_supported flag") Signed-off-by: Sasha Levin --- drivers/tty/serial/8250/8250_exar.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c index 5c2adf14049b..19de9f535c67 100644 --- a/drivers/tty/serial/8250/8250_exar.c +++ b/drivers/tty/serial/8250/8250_exar.c @@ -123,6 +123,7 @@ struct exar8250; struct exar8250_platform { int (*rs485_config)(struct uart_port *, struct serial_rs485 *); + const struct serial_rs485 *rs485_supported; int (*register_gpio)(struct pci_dev *, struct uart_8250_port *); }; @@ -423,9 +424,14 @@ static int generic_rs485_config(struct uart_port *port, return 0; } +static const struct serial_rs485 generic_rs485_supported = { + .flags = SER_RS485_ENABLED, +}; + static const struct exar8250_platform exar8250_default_platform = { .register_gpio = xr17v35x_register_gpio, .rs485_config = generic_rs485_config, + .rs485_supported = &generic_rs485_supported, }; static int iot2040_rs485_config(struct uart_port *port, @@ -461,6 +467,10 @@ static int iot2040_rs485_config(struct uart_port *port, return generic_rs485_config(port, rs485); } +static const struct serial_rs485 iot2040_rs485_supported = { + .flags = SER_RS485_ENABLED | SER_RS485_RX_DURING_TX | SER_RS485_TERMINATE_BUS, +}; + static const struct property_entry iot2040_gpio_properties[] = { PROPERTY_ENTRY_U32("exar,first-pin", 10), PROPERTY_ENTRY_U32("ngpios", 1), @@ -485,6 +495,7 @@ static int iot2040_register_gpio(struct pci_dev *pcidev, static const struct exar8250_platform iot2040_platform = { .rs485_config = iot2040_rs485_config, + .rs485_supported = &iot2040_rs485_supported, .register_gpio = iot2040_register_gpio, }; @@ -522,6 +533,7 @@ pci_xr17v35x_setup(struct exar8250 *priv, struct pci_dev *pcidev, port->port.uartclk = baud * 16; port->port.rs485_config = platform->rs485_config; + port->port.rs485_supported = platform->rs485_supported; /* * Setup the UART clock for the devices on expansion slot to -- 2.43.0