aboutsummaryrefslogtreecommitdiff
path: root/drivers/usb/serial/usb_debug.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/serial/usb_debug.c')
-rw-r--r--drivers/usb/serial/usb_debug.c57
1 files changed, 12 insertions, 45 deletions
diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c
index 7b5bfc4edd3..ca2fa5bbe17 100644
--- a/drivers/usb/serial/usb_debug.c
+++ b/drivers/usb/serial/usb_debug.c
@@ -8,14 +8,13 @@
* 2 as published by the Free Software Foundation.
*/
+#include <linux/gfp.h>
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/tty.h>
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/usb/serial.h>
-#define URB_DEBUG_MAX_IN_FLIGHT_URBS 4000
#define USB_DEBUG_MAX_PACKET_SIZE 8
#define USB_DEBUG_BRK_SIZE 8
static char USB_DEBUG_BRK[USB_DEBUG_BRK_SIZE] = {
@@ -29,26 +28,12 @@ static char USB_DEBUG_BRK[USB_DEBUG_BRK_SIZE] = {
0xff,
};
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x0525, 0x127a) },
{ },
};
MODULE_DEVICE_TABLE(usb, id_table);
-static struct usb_driver debug_driver = {
- .name = "debug",
- .probe = usb_serial_probe,
- .disconnect = usb_serial_disconnect,
- .id_table = id_table,
- .no_dynamic_id = 1,
-};
-
-static int usb_debug_open(struct tty_struct *tty, struct usb_serial_port *port)
-{
- port->bulk_out_size = USB_DEBUG_MAX_PACKET_SIZE;
- return usb_serial_generic_open(tty, port);
-}
-
/* This HW really does not support a serial break, so one will be
* emulated when ever the break state is set to true.
*/
@@ -60,19 +45,18 @@ static void usb_debug_break_ctl(struct tty_struct *tty, int break_state)
usb_serial_generic_write(tty, port, USB_DEBUG_BRK, USB_DEBUG_BRK_SIZE);
}
-static void usb_debug_read_bulk_callback(struct urb *urb)
+static void usb_debug_process_read_urb(struct urb *urb)
{
struct usb_serial_port *port = urb->context;
if (urb->actual_length == USB_DEBUG_BRK_SIZE &&
- memcmp(urb->transfer_buffer, USB_DEBUG_BRK,
- USB_DEBUG_BRK_SIZE) == 0) {
+ memcmp(urb->transfer_buffer, USB_DEBUG_BRK,
+ USB_DEBUG_BRK_SIZE) == 0) {
usb_serial_handle_break(port);
- usb_serial_generic_resubmit_read_urb(port, GFP_ATOMIC);
return;
}
- usb_serial_generic_read_bulk_callback(urb);
+ usb_serial_generic_process_read_urb(urb);
}
static struct usb_serial_driver debug_device = {
@@ -82,31 +66,14 @@ static struct usb_serial_driver debug_device = {
},
.id_table = id_table,
.num_ports = 1,
- .open = usb_debug_open,
- .max_in_flight_urbs = URB_DEBUG_MAX_IN_FLIGHT_URBS,
+ .bulk_out_size = USB_DEBUG_MAX_PACKET_SIZE,
.break_ctl = usb_debug_break_ctl,
- .read_bulk_callback = usb_debug_read_bulk_callback,
+ .process_read_urb = usb_debug_process_read_urb,
};
-static int __init debug_init(void)
-{
- int retval;
-
- retval = usb_serial_register(&debug_device);
- if (retval)
- return retval;
- retval = usb_register(&debug_driver);
- if (retval)
- usb_serial_deregister(&debug_device);
- return retval;
-}
-
-static void __exit debug_exit(void)
-{
- usb_deregister(&debug_driver);
- usb_serial_deregister(&debug_device);
-}
+static struct usb_serial_driver * const serial_drivers[] = {
+ &debug_device, NULL
+};
-module_init(debug_init);
-module_exit(debug_exit);
+module_usb_serial_driver(serial_drivers, id_table);
MODULE_LICENSE("GPL");