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path: root/drivers/usb/gadget/cdc2.c
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Diffstat (limited to 'drivers/usb/gadget/cdc2.c')
-rw-r--r--drivers/usb/gadget/cdc2.c31
1 files changed, 10 insertions, 21 deletions
diff --git a/drivers/usb/gadget/cdc2.c b/drivers/usb/gadget/cdc2.c
index a7d6f7026757..2c5255182769 100644
--- a/drivers/usb/gadget/cdc2.c
+++ b/drivers/usb/gadget/cdc2.c
@@ -103,18 +103,16 @@ static struct usb_gadget_strings *dev_strings[] = {
};
static u8 hostaddr[ETH_ALEN];
-
+static struct eth_dev *the_dev;
/*-------------------------------------------------------------------------*/
static struct usb_function *f_acm;
static struct usb_function_instance *fi_serial;
-static unsigned char tty_line;
/*
* We _always_ have both CDC ECM and CDC ACM functions.
*/
static int __init cdc_do_config(struct usb_configuration *c)
{
- struct f_serial_opts *opts;
int status;
if (gadget_is_otg(c->cdev->gadget)) {
@@ -122,7 +120,7 @@ static int __init cdc_do_config(struct usb_configuration *c)
c->bmAttributes |= USB_CONFIG_ATT_WAKEUP;
}
- status = ecm_bind_config(c, hostaddr);
+ status = ecm_bind_config(c, hostaddr, the_dev);
if (status < 0)
return status;
@@ -130,12 +128,11 @@ static int __init cdc_do_config(struct usb_configuration *c)
if (IS_ERR(fi_serial))
return PTR_ERR(fi_serial);
- opts = container_of(fi_serial, struct f_serial_opts, func_inst);
- opts->port_num = tty_line;
-
f_acm = usb_get_function(fi_serial);
- if (IS_ERR(f_acm))
+ if (IS_ERR(f_acm)) {
+ status = PTR_ERR(f_acm);
goto err_func_acm;
+ }
status = usb_add_function(c, f_acm);
if (status)
@@ -169,14 +166,9 @@ static int __init cdc_bind(struct usb_composite_dev *cdev)
}
/* set up network link layer */
- status = gether_setup(cdev->gadget, hostaddr);
- if (status < 0)
- return status;
-
- /* set up serial link layer */
- status = gserial_alloc_line(&tty_line);
- if (status < 0)
- goto fail0;
+ the_dev = gether_setup(cdev->gadget, hostaddr);
+ if (IS_ERR(the_dev))
+ return PTR_ERR(the_dev);
/* Allocate string descriptor numbers ... note that string
* contents can be overridden by the composite_dev glue.
@@ -200,9 +192,7 @@ static int __init cdc_bind(struct usb_composite_dev *cdev)
return 0;
fail1:
- gserial_free_line(tty_line);
-fail0:
- gether_cleanup();
+ gether_cleanup(the_dev);
return status;
}
@@ -210,8 +200,7 @@ static int __exit cdc_unbind(struct usb_composite_dev *cdev)
{
usb_put_function(f_acm);
usb_put_function_instance(fi_serial);
- gserial_free_line(tty_line);
- gether_cleanup();
+ gether_cleanup(the_dev);
return 0;
}