diff options
| -rw-r--r-- | drivers/usb/serial/cp210x.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index bb4290bfe59..f4267886e25 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -202,6 +202,8 @@ static struct usb_serial_driver cp210x_device = { #define CP210X_EMBED_EVENTS 0x15 #define CP210X_GET_EVENTSTATE 0x16 #define CP210X_SET_CHARS 0x19 +#define CP210X_GET_BAUDRATE 0x1D +#define CP210X_SET_BAUDRATE 0x1E /* CP210X_IFC_ENABLE */ #define UART_ENABLE 0x0001 @@ -465,10 +467,7 @@ static void cp210x_get_termios_port(struct usb_serial_port *port, dbg("%s - port %d", __func__, port->number); - cp210x_get_config(port, CP210X_GET_BAUDDIV, &baud, 2); - /* Convert to baudrate */ - if (baud) - baud = cp210x_quantise_baudrate((BAUD_RATE_GEN_FREQ + baud/2)/ baud); + cp210x_get_config(port, CP210X_GET_BAUDRATE, &baud, 4); dbg("%s - baud rate = %d", __func__, baud); *baudp = baud; @@ -597,8 +596,7 @@ static void cp210x_set_termios(struct tty_struct *tty, if (baud != tty_termios_baud_rate(old_termios) && baud != 0) { dbg("%s - Setting baud rate to %d baud", __func__, baud); - if (cp210x_set_config_single(port, CP210X_SET_BAUDDIV, - ((BAUD_RATE_GEN_FREQ + baud/2) / baud))) { + if (cp210x_set_config(port, CP210X_SET_BAUDRATE, &baud, 4)) { dbg("Baud rate requested not supported by device"); baud = tty_termios_baud_rate(old_termios); } |