[SERIAL] 8250: We can only use the FIFO if fifosize > 1.

040d0f72 · Russell King · 42f70b95 · 040d0f72
Commit 040d0f72 authored Aug 29, 2004 by Russell King
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drivers/serial/8250.c drivers/serial/8250.c +1 -1

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--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -1459,7 +1459,7 @@ serial8250_set_termios(struct uart_port *port, struct termios *termios,
 	    up->rev == 0x5201)
 		quot ++;
-	if (up->capabilities & UART_USE_FIFO) {
+	if (up->capabilities & UART_USE_FIFO && up->port.fifosize > 1) {
 		if (baud < 2400)
 			fcr = UART_FCR_ENABLE_FIFO | UART_FCR_TRIGGER_1;
 #ifdef CONFIG_SERIAL_8250_RSA