diff options
| author | Paul Mackerras <paulus@samba.org> | 2007-05-08 13:37:51 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-05-08 13:37:51 +1000 |
| commit | 02bbc0f09c90cefdb2837605c96a66c5ce4ba2e1 (patch) | |
| tree | 04ef573cd4de095c500c9fc3477f4278c0b36300 /drivers/serial/atmel_serial.c | |
| parent | 7487a2245b8841c77ba9db406cf99a483b9334e9 (diff) | |
| parent | 5b94f675f57e4ff16c8fda09088d7480a84dcd91 (diff) | |
Merge branch 'linux-2.6'
Diffstat (limited to 'drivers/serial/atmel_serial.c')
| -rw-r--r-- | drivers/serial/atmel_serial.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c index 935f48fa501..3320bcd92c0 100644 --- a/drivers/serial/atmel_serial.c +++ b/drivers/serial/atmel_serial.c @@ -484,11 +484,16 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios * termios, unsigned long flags; unsigned int mode, imr, quot, baud; + /* Get current mode register */ + mode = UART_GET_MR(port) & ~(ATMEL_US_USCLKS | ATMEL_US_CHRL | ATMEL_US_NBSTOP | ATMEL_US_PAR); + baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk/16); quot = uart_get_divisor(port, baud); - /* Get current mode register */ - mode = UART_GET_MR(port) & ~(ATMEL_US_CHRL | ATMEL_US_NBSTOP | ATMEL_US_PAR); + if (quot > 65535) { /* BRGR is 16-bit, so switch to slower clock */ + quot /= 8; + mode |= ATMEL_US_USCLKS_MCK_DIV8; + } /* byte size */ switch (termios->c_cflag & CSIZE) { |