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-rw-r--r--drivers/tty/serial/apbuart.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/tty/serial/apbuart.c b/drivers/tty/serial/apbuart.c
index 6331464d9101..de11ab8ffd91 100644
--- a/drivers/tty/serial/apbuart.c
+++ b/drivers/tty/serial/apbuart.c
@@ -125,7 +125,9 @@ static void apbuart_rx_chars(struct uart_port *port)
status = UART_GET_STATUS(port);
}
+ spin_unlock(&port->lock);
tty_flip_buffer_push(&port->state->port);
+ spin_lock(&port->lock);
}
static void apbuart_tx_chars(struct uart_port *port)