linux-kernel - [PATCH 10/12] tty: cpm_uart, use port->flags instead of low

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Date:   Tue,  5 Jan 2021 13:02:37 +0100
From:   Jiri Slaby <jslaby@...e.cz>
To:     gregkh@...uxfoundation.org
Cc:     linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 10/12] tty: cpm_uart, use port->flags instead of low_latency

This is the only in-kernel user of tty_port::low_latency. Switch this
last one to test uport->flags directly as tty_port::low_latency is going
away in the next patch.

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/tty/serial/cpm_uart/cpm_uart_core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_core.c b/drivers/tty/serial/cpm_uart/cpm_uart_core.c
index 3b899cc7e362..58aaa533203b 100644
--- a/drivers/tty/serial/cpm_uart/cpm_uart_core.c
+++ b/drivers/tty/serial/cpm_uart/cpm_uart_core.c
@@ -499,8 +499,7 @@ static void cpm_uart_set_termios(struct uart_port *port,
 	pr_debug("CPM uart[%d]:set_termios\n", port->line);
 
 	baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk / 16);
-	if (baud < HW_BUF_SPD_THRESHOLD ||
-	    (pinfo->port.state && pinfo->port.state->port.low_latency))
+	if (baud < HW_BUF_SPD_THRESHOLD || port->flags & UPF_LOW_LATENCY)
 		pinfo->rx_fifosize = 1;
 	else
 		pinfo->rx_fifosize = RX_BUF_SIZE;
-- 
2.30.0