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path: root/drivers/usb/serial/usb_debug.c
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Diffstat (limited to 'drivers/usb/serial/usb_debug.c')
-rw-r--r--drivers/usb/serial/usb_debug.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c
index f9fc926b56d8..fc5d9952b03b 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 +31,13 @@ static struct usb_driver debug_driver = {
.no_dynamic_id = 1,
};
+int usb_debug_open(struct tty_struct *tty, struct usb_serial_port *port,
+ struct file *filp)
+{
+ port->bulk_out_size = USB_DEBUG_MAX_PACKET_SIZE;
+ return usb_serial_generic_open(tty, port, filp);
+}
+
static struct usb_serial_driver debug_device = {
.driver = {
.owner = THIS_MODULE,
@@ -36,6 +45,7 @@ static struct usb_serial_driver debug_device = {
},
.id_table = id_table,
.num_ports = 1,
+ .open = usb_debug_open,
};
static int __init debug_init(void)