diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/8250.c | 7 | ||||
| -rw-r--r-- | drivers/serial/uartlite.c | 2 |
2 files changed, 5 insertions, 4 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index c3e37c8e7e26..e9b15c3746fa 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -83,6 +83,9 @@ static unsigned int skip_txen_test; /* force skip of txen test at init time */ #define PASS_LIMIT 256 +#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE) + + /* * We default to IRQ0 for the "no irq" hack. Some * machine types want others as well - they're free @@ -1792,7 +1795,7 @@ static unsigned int serial8250_tx_empty(struct uart_port *port) up->lsr_saved_flags |= lsr & LSR_SAVE_FLAGS; spin_unlock_irqrestore(&up->port.lock, flags); - return lsr & UART_LSR_TEMT ? TIOCSER_TEMT : 0; + return (lsr & BOTH_EMPTY) == BOTH_EMPTY ? TIOCSER_TEMT : 0; } static unsigned int serial8250_get_mctrl(struct uart_port *port) @@ -1850,8 +1853,6 @@ static void serial8250_break_ctl(struct uart_port *port, int break_state) spin_unlock_irqrestore(&up->port.lock, flags); } -#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE) - /* * Wait for transmitter & holding register to empty */ diff --git a/drivers/serial/uartlite.c b/drivers/serial/uartlite.c index 377f2712289e..ab2ab3c81834 100644 --- a/drivers/serial/uartlite.c +++ b/drivers/serial/uartlite.c @@ -394,7 +394,7 @@ static void ulite_console_write(struct console *co, const char *s, spin_unlock_irqrestore(&port->lock, flags); } -static int __init ulite_console_setup(struct console *co, char *options) +static int __devinit ulite_console_setup(struct console *co, char *options) { struct uart_port *port; int baud = 9600; |