diff --git a/drivers/tty/serial/lantiq.c b/drivers/tty/serial/lantiq.c index ba9739af30ed..c892f3c7d1ab 100644 --- a/drivers/tty/serial/lantiq.c +++ b/drivers/tty/serial/lantiq.c @@ -8,6 +8,7 @@ * Copyright (C) 2010 Thomas Langer, */ +#include #include #include #include @@ -93,7 +94,6 @@ #define ASCFSTAT_RXFFLMASK 0x003F #define ASCFSTAT_TXFFLMASK 0x3F00 #define ASCFSTAT_TXFREEMASK 0x3F000000 -#define ASCFSTAT_TXFREEOFF 24 static void lqasc_tx_chars(struct uart_port *port); static struct ltq_uart_port *lqasc_port[MAXPORTS]; @@ -143,7 +143,7 @@ static bool lqasc_tx_ready(struct uart_port *port) { u32 fstat = __raw_readl(port->membase + LTQ_ASC_FSTAT); - return (fstat & ASCFSTAT_TXFREEMASK) >> ASCFSTAT_TXFREEOFF; + return FIELD_GET(ASCFSTAT_TXFREEMASK, fstat); } static void