diff options
| -rw-r--r-- | drivers/tty/serial/fsl_lpuart.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index ba6ade784ac5..2789749d3d0d 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -214,6 +214,7 @@ #define UARTFIFO_RXUF 0x00010000 #define UARTFIFO_TXFLUSH 0x00008000 #define UARTFIFO_RXFLUSH 0x00004000 +#define UARTFIFO_RXIDEN GENMASK(12, 10) #define UARTFIFO_TXOFE 0x00000200 #define UARTFIFO_RXUFE 0x00000100 #define UARTFIFO_TXFE 0x00000080 @@ -1562,6 +1563,7 @@ static void lpuart32_setup_watermark(struct lpuart_port *sport) val = lpuart32_read(&sport->port, UARTFIFO); val |= UARTFIFO_TXFE | UARTFIFO_RXFE; val |= UARTFIFO_TXFLUSH | UARTFIFO_RXFLUSH; + val |= FIELD_PREP(UARTFIFO_RXIDEN, 0x3); lpuart32_write(&sport->port, val, UARTFIFO); /* set the watermark */ |