linux-kernel - [PATCH v2 2/3] serial: 8250: Add UART_CAP_NOTEMT on PORT_16550A

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Message-Id: <20210204161158.643-3-etremblay@distech-controls.com>
Date:   Thu,  4 Feb 2021 11:11:57 -0500
From:   Eric Tremblay <etremblay@...tech-controls.com>
To:     gregkh@...uxfoundation.org
Cc:     jslaby@...e.com, andriy.shevchenko@...ux.intel.com,
        matwey.kornilov@...il.com, giulio.benetti@...ronovasrl.com,
        lukas@...ner.de, linux-serial@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        christoph.muellner@...obroma-systems.com, heiko@...ech.de,
        heiko.stuebner@...obroma-systems.com,
        Eric Tremblay <etremblay@...tech-controls.com>
Subject: [PATCH v2 2/3] serial: 8250: Add UART_CAP_NOTEMT on PORT_16550A_FSL64

This port doesn't have an interrupt on TEMT available when using
the FIFO mode.

Signed-off-by: Eric Tremblay <etremblay@...tech-controls.com>
---
 drivers/tty/serial/8250/8250_port.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 00c2cb64e8a7..dd904f736c61 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -262,7 +262,7 @@ static const struct serial8250_config uart_config[] = {
 		.tx_loadsz	= 63,
 		.fcr		= UART_FCR_ENABLE_FIFO | UART_FCR_R_TRIG_10 |
 				  UART_FCR7_64BYTE,
-		.flags		= UART_CAP_FIFO,
+		.flags		= UART_CAP_FIFO | UART_CAP_NOTEMT,
 	},
 	[PORT_RT2880] = {
 		.name		= "Palmchip BK-3103",
-- 
2.17.1