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path: root/drivers/usb/gadget/serial.c
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Diffstat (limited to 'drivers/usb/gadget/serial.c')
-rw-r--r--drivers/usb/gadget/serial.c72
1 files changed, 14 insertions, 58 deletions
diff --git a/drivers/usb/gadget/serial.c b/drivers/usb/gadget/serial.c
index 665c07422c2..44752f531e8 100644
--- a/drivers/usb/gadget/serial.c
+++ b/drivers/usb/gadget/serial.c
@@ -11,7 +11,6 @@
*/
#include <linux/kernel.h>
-#include <linux/utsname.h>
#include <linux/device.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
@@ -37,17 +36,13 @@
* 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_acm.c"
#include "f_obex.c"
#include "f_serial.c"
#include "u_serial.c"
/*-------------------------------------------------------------------------*/
+USB_GADGET_COMPOSITE_OPTIONS();
/* Thanks to NetChip Technologies for donating this product ID.
*
@@ -61,15 +56,12 @@
/* string IDs are assigned dynamically */
-#define STRING_MANUFACTURER_IDX 0
-#define STRING_PRODUCT_IDX 1
-#define STRING_DESCRIPTION_IDX 2
-
-static char manufacturer[50];
+#define STRING_DESCRIPTION_IDX USB_GADGET_FIRST_AVAIL_IDX
static struct usb_string strings_dev[] = {
- [STRING_MANUFACTURER_IDX].s = manufacturer,
- [STRING_PRODUCT_IDX].s = GS_VERSION_NAME,
+ [USB_GADGET_MANUFACTURER_IDX].s = "",
+ [USB_GADGET_PRODUCT_IDX].s = GS_VERSION_NAME,
+ [USB_GADGET_SERIAL_IDX].s = "",
[STRING_DESCRIPTION_IDX].s = NULL /* updated; f(use_acm) */,
{ } /* end of list */
};
@@ -94,7 +86,7 @@ static struct usb_device_descriptor device_desc = {
/* .bMaxPacketSize0 = f(hardware) */
.idVendor = cpu_to_le16(GS_VENDOR_ID),
/* .idProduct = f(use_acm) */
- /* .bcdDevice = f(hardware) */
+ .bcdDevice = cpu_to_le16(GS_VERSION_NUM),
/* .iManufacturer = DYNAMIC */
/* .iProduct = DYNAMIC */
.bNumConfigurations = 1,
@@ -162,8 +154,6 @@ static struct usb_configuration serial_config_driver = {
static int __init gs_bind(struct usb_composite_dev *cdev)
{
- int gcnum;
- struct usb_gadget *gadget = cdev->gadget;
int status;
status = gserial_setup(cdev->gadget, n_ports);
@@ -174,50 +164,14 @@ static int __init gs_bind(struct usb_composite_dev *cdev)
* contents can be overridden by the composite_dev glue.
*/
- /* device description: manufacturer, product */
- snprintf(manufacturer, sizeof manufacturer, "%s %s with %s",
- init_utsname()->sysname, init_utsname()->release,
- gadget->name);
- status = usb_string_id(cdev);
+ status = usb_string_ids_tab(cdev, strings_dev);
if (status < 0)
goto fail;
- strings_dev[STRING_MANUFACTURER_IDX].id = status;
-
- device_desc.iManufacturer = status;
-
- status = usb_string_id(cdev);
- if (status < 0)
- goto fail;
- strings_dev[STRING_PRODUCT_IDX].id = status;
-
- device_desc.iProduct = status;
-
- /* config description */
- status = usb_string_id(cdev);
- if (status < 0)
- goto fail;
- strings_dev[STRING_DESCRIPTION_IDX].id = status;
-
+ device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id;
+ device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id;
+ status = strings_dev[STRING_DESCRIPTION_IDX].id;
serial_config_driver.iConfiguration = status;
- /* set up other descriptors */
- gcnum = usb_gadget_controller_number(gadget);
- if (gcnum >= 0)
- device_desc.bcdDevice = cpu_to_le16(GS_VERSION_NUM | gcnum);
- else {
- /* this is so simple (for now, no altsettings) that it
- * SHOULD NOT have problems with bulk-capable hardware.
- * so warn about unrcognized controllers -- don't panic.
- *
- * things like configuration and altsetting numbering
- * can need hardware-specific attention though.
- */
- pr_warning("gs_bind: controller '%s' not recognized\n",
- gadget->name);
- device_desc.bcdDevice =
- cpu_to_le16(GS_VERSION_NUM | 0x0099);
- }
-
if (gadget_is_otg(cdev->gadget)) {
serial_config_driver.descriptors = otg_desc;
serial_config_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
@@ -229,6 +183,7 @@ static int __init gs_bind(struct usb_composite_dev *cdev)
if (status < 0)
goto fail;
+ usb_composite_overwrite_options(cdev, &coverwrite);
INFO(cdev, "%s\n", GS_VERSION_NAME);
return 0;
@@ -238,11 +193,12 @@ fail:
return status;
}
-static struct usb_composite_driver gserial_driver = {
+static __refdata struct usb_composite_driver gserial_driver = {
.name = "g_serial",
.dev = &device_desc,
.strings = dev_strings,
.max_speed = USB_SPEED_SUPER,
+ .bind = gs_bind,
};
static int __init init(void)
@@ -271,7 +227,7 @@ static int __init init(void)
}
strings_dev[STRING_DESCRIPTION_IDX].s = serial_config_driver.label;
- return usb_composite_probe(&gserial_driver, gs_bind);
+ return usb_composite_probe(&gserial_driver);
}
module_init(init);