USB: use usb_endpoint_maxp() instead of le16_to_cpu()

[deliverable/linux.git] / drivers / usb / serial / ftdi_sio.c

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 2e06b90aa1f8f50139c8873011f1c34956077b63..8aee28b89c36fda85a35dce70c3e81c246584845 100644 (file)
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -151,6 +151,7 @@ static struct ftdi_sio_quirk ftdi_stmclite_quirk = {
  * /sys/bus/usb/ftdi_sio/new_id, then send patch/report!
  */
 static struct usb_device_id id_table_combined [] = {
+       { USB_DEVICE(FTDI_VID, FTDI_ZEITCONTROL_TAGTRACE_MIFARE_PID) },
        { USB_DEVICE(FTDI_VID, FTDI_CTI_MINI_PID) },
        { USB_DEVICE(FTDI_VID, FTDI_CTI_NANO_PID) },
        { USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
@@ -1171,7 +1172,7 @@ static __u32 get_ftdi_divisor(struct tty_struct *tty,
        case FT2232H: /* FT2232H chip */
        case FT4232H: /* FT4232H chip */
        case FT232H:  /* FT232H chip */
-               if ((baud <= 12000000) & (baud >= 1200)) {
+               if ((baud <= 12000000) && (baud >= 1200)) {
                        div_value = ftdi_2232h_baud_to_divisor(baud);
                } else if (baud < 1200) {
                        div_value = ftdi_232bm_baud_to_divisor(baud);
@@ -1205,7 +1206,10 @@ static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
        urb_index_value = get_ftdi_divisor(tty, port);
        urb_value = (__u16)urb_index_value;
        urb_index = (__u16)(urb_index_value >> 16);
-       if (priv->interface) {  /* FT2232C */
+       if ((priv->chip_type == FT2232C) || (priv->chip_type == FT2232H) ||
+               (priv->chip_type == FT4232H) || (priv->chip_type == FT232H)) {
+               /* Probably the BM type needs the MSB of the encoded fractional
+                * divider also moved like for the chips above. Any infos? */
                urb_index = (__u16)((urb_index << 8) | priv->interface);
        }
 
@@ -1476,7 +1480,7 @@ static void ftdi_set_max_packet_size(struct usb_serial_port *port)
        }
 
        /* set max packet size based on descriptor */
-       priv->max_packet_size = le16_to_cpu(ep_desc->wMaxPacketSize);
+       priv->max_packet_size = usb_endpoint_maxp(ep_desc);
 
        dev_info(&udev->dev, "Setting MaxPacketSize %d\n", priv->max_packet_size);
 }