diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/serial/usb_debug.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c index f9fc926b56d8..9ca4d4db1ddd 100644 --- a/drivers/usb/serial/usb_debug.c +++ b/drivers/usb/serial/usb_debug.c @@ -15,6 +15,8 @@ #include <linux/usb.h> #include <linux/usb/serial.h> +#define USB_DEBUG_MAX_PACKET_SIZE 8 + static struct usb_device_id id_table [] = { { USB_DEVICE(0x0525, 0x127a) }, { }, @@ -29,6 +31,12 @@ static struct usb_driver debug_driver = { .no_dynamic_id = 1, }; +int usb_debug_open(struct usb_serial_port *port, struct file *filp) +{ + port->bulk_out_size = USB_DEBUG_MAX_PACKET_SIZE; + return usb_serial_generic_open(port, filp); +} + static struct usb_serial_driver debug_device = { .driver = { .owner = THIS_MODULE, @@ -36,6 +44,7 @@ static struct usb_serial_driver debug_device = { }, .id_table = id_table, .num_ports = 1, + .open = usb_debug_open, }; static int __init debug_init(void) |