Commit d9e18679 authored by Li Jun's avatar Li Jun Committed by Felipe Balbi

usb: gadget: hid: allocate and init otg descriptor by otg capabilities

Allocate and initialize usb otg descriptor according to gadget otg
capabilities, add it for each usb configurations. If otg capability
is not defined, keep its original otg descriptor unchanged.
Signed-off-by: default avatarLi Jun <jun.li@freescale.com>
Reviewed-by: default avatarRoger Quadros <rogerq@ti.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 75c9310a
...@@ -68,21 +68,7 @@ static struct usb_device_descriptor device_desc = { ...@@ -68,21 +68,7 @@ static struct usb_device_descriptor device_desc = {
.bNumConfigurations = 1, .bNumConfigurations = 1,
}; };
static struct usb_otg_descriptor otg_descriptor = { static const struct usb_descriptor_header *otg_desc[2];
.bLength = sizeof otg_descriptor,
.bDescriptorType = USB_DT_OTG,
/* REVISIT SRP-only hardware is possible, although
* it would not be called "OTG" ...
*/
.bmAttributes = USB_OTG_SRP | USB_OTG_HNP,
};
static const struct usb_descriptor_header *otg_desc[] = {
(struct usb_descriptor_header *) &otg_descriptor,
NULL,
};
/* string IDs are assigned dynamically */ /* string IDs are assigned dynamically */
static struct usb_string strings_dev[] = { static struct usb_string strings_dev[] = {
...@@ -186,16 +172,30 @@ static int hid_bind(struct usb_composite_dev *cdev) ...@@ -186,16 +172,30 @@ static int hid_bind(struct usb_composite_dev *cdev)
device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id; device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id;
device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id; device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id;
if (gadget_is_otg(gadget) && !otg_desc[0]) {
struct usb_descriptor_header *usb_desc;
usb_desc = usb_otg_descriptor_alloc(gadget);
if (!usb_desc)
goto put;
usb_otg_descriptor_init(gadget, usb_desc);
otg_desc[0] = usb_desc;
otg_desc[1] = NULL;
}
/* register our configuration */ /* register our configuration */
status = usb_add_config(cdev, &config_driver, do_config); status = usb_add_config(cdev, &config_driver, do_config);
if (status < 0) if (status < 0)
goto put; goto free_otg_desc;
usb_composite_overwrite_options(cdev, &coverwrite); usb_composite_overwrite_options(cdev, &coverwrite);
dev_info(&gadget->dev, DRIVER_DESC ", version: " DRIVER_VERSION "\n"); dev_info(&gadget->dev, DRIVER_DESC ", version: " DRIVER_VERSION "\n");
return 0; return 0;
free_otg_desc:
kfree(otg_desc[0]);
otg_desc[0] = NULL;
put: put:
list_for_each_entry(m, &hidg_func_list, node) { list_for_each_entry(m, &hidg_func_list, node) {
if (m == n) if (m == n)
...@@ -213,6 +213,10 @@ static int hid_unbind(struct usb_composite_dev *cdev) ...@@ -213,6 +213,10 @@ static int hid_unbind(struct usb_composite_dev *cdev)
usb_put_function(n->f); usb_put_function(n->f);
usb_put_function_instance(n->fi); usb_put_function_instance(n->fi);
} }
kfree(otg_desc[0]);
otg_desc[0] = NULL;
return 0; return 0;
} }
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment