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path: root/drivers/serial/8250.c
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Diffstat (limited to 'drivers/serial/8250.c')
-rw-r--r--drivers/serial/8250.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 3742753241ee..e08510d09ff6 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -999,7 +999,10 @@ static void autoconfig(struct uart_8250_port *up, unsigned int probeflags)
serial_outp(up, UART_MCR, save_mcr);
serial8250_clear_fifos(up);
(void)serial_in(up, UART_RX);
- serial_outp(up, UART_IER, 0);
+ if (up->capabilities & UART_CAP_UUE)
+ serial_outp(up, UART_IER, UART_IER_UUE);
+ else
+ serial_outp(up, UART_IER, 0);
out:
spin_unlock_irqrestore(&up->port.lock, flags);