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usb: gadget: f_printer: remove compatibility layer 

There are no old interface users left, so it can be removed.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Andrzej Pietrasiewicz 2015-03-03 10:52:30 +01:00 committed by Felipe Balbi
parent 69504f808d
commit d85dc4824c
1 changed files with 0 additions and 113 deletions
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113
drivers/usb/gadget/function/f_printer.c
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@ -57,10 +57,8 @@
static int major, minors;
static struct class *usb_gadget_class;
#ifndef USBF_PRINTER_INCLUDED
static DEFINE_IDA(printer_ida);
static DEFINE_MUTEX(printer_ida_lock); /* protects access do printer_ida */
#endif
/*-------------------------------------------------------------------------*/
@ -1118,53 +1116,6 @@ static int printer_func_bind(struct usb_configuration *c,
}
#ifdef USBF_PRINTER_INCLUDED
static void printer_func_unbind(struct usb_configuration *c,
struct usb_function *f)
{
struct printer_dev *dev;
struct usb_request *req;
dev = func_to_printer(f);
device_destroy(usb_gadget_class, MKDEV(major, dev->minor));
/* Remove Character Device */
cdev_del(&dev->printer_cdev);
/* we must already have been disconnected ... no i/o may be active */
WARN_ON(!list_empty(&dev->tx_reqs_active));
WARN_ON(!list_empty(&dev->rx_reqs_active));
/* Free all memory for this driver. */
while (!list_empty(&dev->tx_reqs)) {
req = container_of(dev->tx_reqs.next, struct usb_request,
list);
list_del(&req->list);
printer_req_free(dev->in_ep, req);
}
if (dev->current_rx_req != NULL)
printer_req_free(dev->out_ep, dev->current_rx_req);
while (!list_empty(&dev->rx_reqs)) {
req = container_of(dev->rx_reqs.next,
struct usb_request, list);
list_del(&req->list);
printer_req_free(dev->out_ep, req);
}
while (!list_empty(&dev->rx_buffers)) {
req = container_of(dev->rx_buffers.next,
struct usb_request, list);
list_del(&req->list);
printer_req_free(dev->out_ep, req);
}
usb_free_all_descriptors(f);
kfree(dev);
}
#endif
static int printer_func_set_alt(struct usb_function *f,
unsigned intf, unsigned alt)
{
@ -1189,68 +1140,6 @@ static void printer_func_disable(struct usb_function *f)
spin_unlock_irqrestore(&dev->lock, flags);
}
#ifdef USBF_PRINTER_INCLUDED
static int f_printer_bind_config(struct usb_configuration *c, char *pnp_str,
char *pnp_string, unsigned q_len, int minor)
{
struct printer_dev *dev;
int status = -ENOMEM;
size_t len;
if (minor >= minors)
return -ENOENT;
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev)
return -ENOMEM;
dev->pnp_string = pnp_string;
dev->minor = minor;
dev->function.name = shortname;
dev->function.bind = printer_func_bind;
dev->function.setup = printer_func_setup;
dev->function.unbind = printer_func_unbind;
dev->function.set_alt = printer_func_set_alt;
dev->function.disable = printer_func_disable;
dev->function.req_match = gprinter_req_match;
INIT_LIST_HEAD(&dev->tx_reqs);
INIT_LIST_HEAD(&dev->rx_reqs);
INIT_LIST_HEAD(&dev->rx_buffers);
if (pnp_str)
strlcpy(&dev->pnp_string[2], pnp_str, PNP_STRING_LEN - 2);
len = strlen(pnp_string);
pnp_string[0] = (len >> 8) & 0xFF;
pnp_string[1] = len & 0xFF;
spin_lock_init(&dev->lock);
mutex_init(&dev->lock_printer_io);
INIT_LIST_HEAD(&dev->tx_reqs_active);
INIT_LIST_HEAD(&dev->rx_reqs_active);
init_waitqueue_head(&dev->rx_wait);
init_waitqueue_head(&dev->tx_wait);
init_waitqueue_head(&dev->tx_flush_wait);
dev->interface = -1;
dev->printer_cdev_open = 0;
dev->printer_status = PRINTER_NOT_ERROR;
dev->current_rx_req = NULL;
dev->current_rx_bytes = 0;
dev->current_rx_buf = NULL;
dev->q_len = q_len;
status = usb_add_function(c, &dev->function);
if (status) {
kfree(dev);
return status;
}
INFO(dev, "%s, version: " DRIVER_VERSION "\n", driver_desc);
return 0;
}
#else
static inline int gprinter_get_minor(void)
{
return ida_simple_get(&printer_ida, 0, 0, GFP_KERNEL);
@ -1422,8 +1311,6 @@ DECLARE_USB_FUNCTION_INIT(printer, gprinter_alloc_inst, gprinter_alloc);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Craig Nadler");
#endif
static int gprinter_setup(int count)
{
int status;