diff options
Diffstat (limited to 'drivers/usb/serial/cp210x.c')
| -rw-r--r-- | drivers/usb/serial/cp210x.c | 32 |
1 files changed, 13 insertions, 19 deletions
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 0310e2d..81468c0 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -188,8 +188,10 @@ static struct usb_serial_driver * const serial_drivers[] = { }; /* Config request types */ -#define REQTYPE_HOST_TO_DEVICE 0x41 -#define REQTYPE_DEVICE_TO_HOST 0xc1 +#define REQTYPE_HOST_TO_INTERFACE 0x41 +#define REQTYPE_INTERFACE_TO_HOST 0xc1 +#define REQTYPE_HOST_TO_DEVICE 0x40 +#define REQTYPE_DEVICE_TO_HOST 0xc0 /* Config request codes */ #define CP210X_IFC_ENABLE 0x00 @@ -286,8 +288,9 @@ static int cp210x_get_config(struct usb_serial_port *port, u8 request, /* Issue the request, attempting to read 'size' bytes */ result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), - request, REQTYPE_DEVICE_TO_HOST, 0x0000, - port_priv->bInterfaceNumber, buf, size, 300); + request, REQTYPE_INTERFACE_TO_HOST, 0x0000, + port_priv->bInterfaceNumber, buf, size, + USB_CTRL_GET_TIMEOUT); /* Convert data into an array of integers */ for (i = 0; i < length; i++) @@ -339,13 +342,15 @@ static int cp210x_set_config(struct usb_serial_port *port, u8 request, if (size > 2) { result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), - request, REQTYPE_HOST_TO_DEVICE, 0x0000, - port_priv->bInterfaceNumber, buf, size, 300); + request, REQTYPE_HOST_TO_INTERFACE, 0x0000, + port_priv->bInterfaceNumber, buf, size, + USB_CTRL_SET_TIMEOUT); } else { result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), - request, REQTYPE_HOST_TO_DEVICE, data[0], - port_priv->bInterfaceNumber, NULL, 0, 300); + request, REQTYPE_HOST_TO_INTERFACE, data[0], + port_priv->bInterfaceNumber, NULL, 0, + USB_CTRL_SET_TIMEOUT); } kfree(buf); @@ -419,8 +424,6 @@ static int cp210x_open(struct tty_struct *tty, struct usb_serial_port *port) { int result; - dbg("%s - port %d", __func__, port->number); - result = cp210x_set_config_single(port, CP210X_IFC_ENABLE, UART_ENABLE); if (result) { @@ -440,8 +443,6 @@ static int cp210x_open(struct tty_struct *tty, struct usb_serial_port *port) static void cp210x_close(struct usb_serial_port *port) { - dbg("%s - port %d", __func__, port->number); - usb_serial_generic_close(port); mutex_lock(&port->serial->disc_mutex); @@ -485,8 +486,6 @@ static void cp210x_get_termios_port(struct usb_serial_port *port, unsigned int baud; unsigned int bits; - dbg("%s - port %d", __func__, port->number); - cp210x_get_config(port, CP210X_GET_BAUDRATE, &baud, 4); dbg("%s - baud rate = %d", __func__, baud); @@ -784,8 +783,6 @@ static int cp210x_tiocmset_port(struct usb_serial_port *port, { unsigned int control = 0; - dbg("%s - port %d", __func__, port->number); - if (set & TIOCM_RTS) { control |= CONTROL_RTS; control |= CONTROL_WRITE_RTS; @@ -822,8 +819,6 @@ static int cp210x_tiocmget (struct tty_struct *tty) unsigned int control; int result; - dbg("%s - port %d", __func__, port->number); - cp210x_get_config(port, CP210X_GET_MDMSTS, &control, 1); result = ((control & CONTROL_DTR) ? TIOCM_DTR : 0) @@ -843,7 +838,6 @@ static void cp210x_break_ctl (struct tty_struct *tty, int break_state) struct usb_serial_port *port = tty->driver_data; unsigned int state; - dbg("%s - port %d", __func__, port->number); if (break_state == 0) state = BREAK_OFF; else |