summaryrefslogtreecommitdiff
path: root/include/linux/usb/serial.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/usb/serial.h')
-rw-r--r--include/linux/usb/serial.h15
1 files changed, 6 insertions, 9 deletions
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index 302ddf55d2da..d528b8045150 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -19,10 +19,6 @@
#include <linux/sysrq.h>
#include <linux/kfifo.h>
-#define SERIAL_TTY_MAJOR 188 /* Nice legal number now */
-#define SERIAL_TTY_MINORS 254 /* loads of devices :) */
-#define SERIAL_TTY_NO_MINOR 255 /* No minor was assigned */
-
/* The maximum number of ports one device can grab at once */
#define MAX_NUM_PORTS 8
@@ -37,7 +33,8 @@
* @serial: pointer back to the struct usb_serial owner of this port.
* @port: pointer to the corresponding tty_port for this port.
* @lock: spinlock to grab when updating portions of this structure.
- * @number: the number of the port (the minor number).
+ * @minor: the minor number of the port
+ * @port_number: the struct usb_serial port number of this port (starts at 0)
* @interrupt_in_buffer: pointer to the interrupt in buffer for this port.
* @interrupt_in_urb: pointer to the interrupt in struct urb for this port.
* @interrupt_in_endpointAddress: endpoint address for the interrupt in pipe
@@ -80,7 +77,8 @@ struct usb_serial_port {
struct usb_serial *serial;
struct tty_port port;
spinlock_t lock;
- unsigned char number;
+ u32 minor;
+ u8 port_number;
unsigned char *interrupt_in_buffer;
struct urb *interrupt_in_urb;
@@ -140,7 +138,6 @@ static inline void usb_set_serial_port_data(struct usb_serial_port *port,
* @dev: pointer to the struct usb_device for this device
* @type: pointer to the struct usb_serial_driver for this device
* @interface: pointer to the struct usb_interface for this device
- * @minor: the starting minor number for this device
* @num_ports: the number of ports this device has
* @num_interrupt_in: number of interrupt in endpoints we have
* @num_interrupt_out: number of interrupt out endpoints we have
@@ -159,7 +156,7 @@ struct usb_serial {
unsigned char disconnected:1;
unsigned char suspending:1;
unsigned char attached:1;
- unsigned char minor;
+ unsigned char minors_reserved:1;
unsigned char num_ports;
unsigned char num_port_pointers;
char num_interrupt_in;
@@ -319,7 +316,7 @@ static inline void usb_serial_console_disconnect(struct usb_serial *serial) {}
#endif
/* Functions needed by other parts of the usbserial core */
-extern struct usb_serial *usb_serial_get_by_index(unsigned int minor);
+extern struct usb_serial_port *usb_serial_port_get_by_minor(unsigned int minor);
extern void usb_serial_put(struct usb_serial *serial);
extern int usb_serial_generic_open(struct tty_struct *tty,
struct usb_serial_port *port);