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path: root/drivers/usb/serial/cp210x.c
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Diffstat (limited to 'drivers/usb/serial/cp210x.c')
-rw-r--r--drivers/usb/serial/cp210x.c40
1 files changed, 17 insertions, 23 deletions
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 28af5acc336..eb033fc92a1 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -162,7 +162,7 @@ static const struct usb_device_id id_table[] = {
MODULE_DEVICE_TABLE(usb, id_table);
-struct cp210x_port_private {
+struct cp210x_serial_private {
__u8 bInterfaceNumber;
};
@@ -276,7 +276,7 @@ static int cp210x_get_config(struct usb_serial_port *port, u8 request,
unsigned int *data, int size)
{
struct usb_serial *serial = port->serial;
- struct cp210x_port_private *port_priv = usb_get_serial_port_data(port);
+ struct cp210x_serial_private *spriv = usb_get_serial_data(serial);
__le32 *buf;
int result, i, length;
@@ -292,7 +292,7 @@ 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_INTERFACE_TO_HOST, 0x0000,
- port_priv->bInterfaceNumber, buf, size,
+ spriv->bInterfaceNumber, buf, size,
USB_CTRL_GET_TIMEOUT);
/* Convert data into an array of integers */
@@ -323,7 +323,7 @@ static int cp210x_set_config(struct usb_serial_port *port, u8 request,
unsigned int *data, int size)
{
struct usb_serial *serial = port->serial;
- struct cp210x_port_private *port_priv = usb_get_serial_port_data(port);
+ struct cp210x_serial_private *spriv = usb_get_serial_data(serial);
__le32 *buf;
int result, i, length;
@@ -345,13 +345,13 @@ static int cp210x_set_config(struct usb_serial_port *port, u8 request,
result = usb_control_msg(serial->dev,
usb_sndctrlpipe(serial->dev, 0),
request, REQTYPE_HOST_TO_INTERFACE, 0x0000,
- port_priv->bInterfaceNumber, buf, size,
+ spriv->bInterfaceNumber, buf, size,
USB_CTRL_SET_TIMEOUT);
} else {
result = usb_control_msg(serial->dev,
usb_sndctrlpipe(serial->dev, 0),
request, REQTYPE_HOST_TO_INTERFACE, data[0],
- port_priv->bInterfaceNumber, NULL, 0,
+ spriv->bInterfaceNumber, NULL, 0,
USB_CTRL_SET_TIMEOUT);
}
@@ -845,36 +845,30 @@ static void cp210x_break_ctl (struct tty_struct *tty, int break_state)
static int cp210x_startup(struct usb_serial *serial)
{
- struct cp210x_port_private *port_priv;
- int i;
+ struct usb_host_interface *cur_altsetting;
+ struct cp210x_serial_private *spriv;
/* cp210x buffers behave strangely unless device is reset */
usb_reset_device(serial->dev);
- for (i = 0; i < serial->num_ports; i++) {
- port_priv = kzalloc(sizeof(*port_priv), GFP_KERNEL);
- if (!port_priv)
- return -ENOMEM;
+ spriv = kzalloc(sizeof(*spriv), GFP_KERNEL);
+ if (!spriv)
+ return -ENOMEM;
- port_priv->bInterfaceNumber =
- serial->interface->cur_altsetting->desc.bInterfaceNumber;
+ cur_altsetting = serial->interface->cur_altsetting;
+ spriv->bInterfaceNumber = cur_altsetting->desc.bInterfaceNumber;
- usb_set_serial_port_data(serial->port[i], port_priv);
- }
+ usb_set_serial_data(serial, spriv);
return 0;
}
static void cp210x_release(struct usb_serial *serial)
{
- struct cp210x_port_private *port_priv;
- int i;
+ struct cp210x_serial_private *spriv;
- for (i = 0; i < serial->num_ports; i++) {
- port_priv = usb_get_serial_port_data(serial->port[i]);
- kfree(port_priv);
- usb_set_serial_port_data(serial->port[i], NULL);
- }
+ spriv = usb_get_serial_data(serial);
+ kfree(spriv);
}
module_usb_serial_driver(serial_drivers, id_table);