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path: root/drivers/usb/gadget/ncm.c
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Diffstat (limited to 'drivers/usb/gadget/ncm.c')
-rw-r--r--drivers/usb/gadget/ncm.c62
1 files changed, 13 insertions, 49 deletions
diff --git a/drivers/usb/gadget/ncm.c b/drivers/usb/gadget/ncm.c
index 89530034dff..a22ad9af056 100644
--- a/drivers/usb/gadget/ncm.c
+++ b/drivers/usb/gadget/ncm.c
@@ -20,8 +20,8 @@
/* #define VERBOSE_DEBUG */
#include <linux/kernel.h>
-#include <linux/utsname.h>
-
+#include <linux/module.h>
+#include <linux/usb/composite.h>
#include "u_ether.h"
@@ -36,11 +36,6 @@
* the runtime footprint, and giving us at least some parts of what
* a "gcc --combine ... part1.c part2.c part3.c ... " build would.
*/
-#include "composite.c"
-#include "usbstring.c"
-#include "config.c"
-#include "epautoconf.c"
-
#include "f_ncm.c"
#include "u_ether.c"
@@ -57,6 +52,7 @@
#define CDC_PRODUCT_NUM 0xa4a1 /* Linux-USB Ethernet Gadget */
/*-------------------------------------------------------------------------*/
+USB_GADGET_COMPOSITE_OPTIONS();
static struct usb_device_descriptor device_desc = {
.bLength = sizeof device_desc,
@@ -97,17 +93,11 @@ static const struct usb_descriptor_header *otg_desc[] = {
NULL,
};
-
/* string IDs are assigned dynamically */
-
-#define STRING_MANUFACTURER_IDX 0
-#define STRING_PRODUCT_IDX 1
-
-static char manufacturer[50];
-
static struct usb_string strings_dev[] = {
- [STRING_MANUFACTURER_IDX].s = manufacturer,
- [STRING_PRODUCT_IDX].s = DRIVER_DESC,
+ [USB_GADGET_MANUFACTURER_IDX].s = "",
+ [USB_GADGET_PRODUCT_IDX].s = DRIVER_DESC,
+ [USB_GADGET_SERIAL_IDX].s = "",
{ } /* end of list */
};
@@ -149,7 +139,6 @@ static struct usb_configuration ncm_config_driver = {
static int __init gncm_bind(struct usb_composite_dev *cdev)
{
- int gcnum;
struct usb_gadget *gadget = cdev->gadget;
int status;
@@ -158,48 +147,22 @@ static int __init gncm_bind(struct usb_composite_dev *cdev)
if (status < 0)
return status;
- gcnum = usb_gadget_controller_number(gadget);
- if (gcnum >= 0)
- device_desc.bcdDevice = cpu_to_le16(0x0300 | gcnum);
- else {
- /* We assume that can_support_ecm() tells the truth;
- * but if the controller isn't recognized at all then
- * that assumption is a bit more likely to be wrong.
- */
- dev_warn(&gadget->dev,
- "controller '%s' not recognized; trying %s\n",
- gadget->name,
- ncm_config_driver.label);
- device_desc.bcdDevice =
- cpu_to_le16(0x0300 | 0x0099);
- }
-
-
/* Allocate string descriptor numbers ... note that string
* contents can be overridden by the composite_dev glue.
*/
- /* device descriptor strings: manufacturer, product */
- snprintf(manufacturer, sizeof manufacturer, "%s %s with %s",
- init_utsname()->sysname, init_utsname()->release,
- gadget->name);
- status = usb_string_id(cdev);
- if (status < 0)
- goto fail;
- strings_dev[STRING_MANUFACTURER_IDX].id = status;
- device_desc.iManufacturer = status;
-
- status = usb_string_id(cdev);
+ status = usb_string_ids_tab(cdev, strings_dev);
if (status < 0)
goto fail;
- strings_dev[STRING_PRODUCT_IDX].id = status;
- device_desc.iProduct = status;
+ device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id;
+ device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id;
status = usb_add_config(cdev, &ncm_config_driver,
ncm_do_config);
if (status < 0)
goto fail;
+ usb_composite_overwrite_options(cdev, &coverwrite);
dev_info(&gadget->dev, "%s\n", DRIVER_DESC);
return 0;
@@ -215,11 +178,12 @@ static int __exit gncm_unbind(struct usb_composite_dev *cdev)
return 0;
}
-static struct usb_composite_driver ncm_driver = {
+static __refdata struct usb_composite_driver ncm_driver = {
.name = "g_ncm",
.dev = &device_desc,
.strings = dev_strings,
.max_speed = USB_SPEED_HIGH,
+ .bind = gncm_bind,
.unbind = __exit_p(gncm_unbind),
};
@@ -229,7 +193,7 @@ MODULE_LICENSE("GPL");
static int __init init(void)
{
- return usb_composite_probe(&ncm_driver, gncm_bind);
+ return usb_composite_probe(&ncm_driver);
}
module_init(init);