2, 在linux-2.6.31.1-cavm1/drivers/usb/gadget中,hid.c文件写法有误.
正确写法为:
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- /*
- * hid.c -- HID Composite driver
- *
- * Based on multi.c
- *
- * Copyright (C) 2010 Fabien Chouteau <fabien.chouteau@barco.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
- #include <linux/kernel.h>
- #include <linux/platform_device.h>
- #include <linux/list.h>
- #include <linux/usb/musb.h>
- #define DRIVER_DESC "HID ps3 controller"
- #define DRIVER_VERSION "2011/07/21"
- /*-------------------------------------------------------------------------*/
- #define HIDG_VENDOR_NUM 0x0525 /* XXX NetChip */
- #define HIDG_PRODUCT_NUM 0xa4ac /* Linux-USB HID gadget */
- /*-------------------------------------------------------------------------*/
- /*
- * kbuild is not very cooperative with respect to linking separately
- * compiled library objects into one module. So for now we won't use
- * separate compilation ... ensuring init/exit sections work to shrink
- * 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_hid.c"
- struct hidg_func_node {
- struct list_head node;
- struct hidg_func_descriptor *func;
- };
- static LIST_HEAD(hidg_func_list);
- /*-------------------------------------------------------------------------*/
- static
struct usb_device_descriptor device_desc = { - .bLength = sizeof device_desc,
- .bDescriptorType = USB_DT_DEVICE,
- .bcdUSB = cpu_to_le16(0x0200),
- /* .bDeviceClass = USB_CLASS_COMM, */
- /* .bDeviceSubClass = 0, */
- /* .bDeviceProtocol = 0, */
- .bDeviceClass = 0xEF,
- .bDeviceSubClass = 2,
- .bDeviceProtocol = 1,
- /* .bMaxPacketSize0 = f(hardware) */
- /* Vendor and product id can be overridden by module parameters. */
- .idVendor = cpu_to_le16(HIDG_VENDOR_NUM),
- .idProduct = cpu_to_le16(HIDG_PRODUCT_NUM),
- /* .bcdDevice = f(hardware) */
- /* .iManufacturer = DYNAMIC */
- /* .iProduct = DYNAMIC */
- /* NO SERIAL NUMBER */
- .bNumConfigurations = 1,
- };
- static
struct usb_otg_descriptor otg_descriptor = { - .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 */
- #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,
- { } /* end of list */
- };
- static
struct usb_gadget_strings stringtab_dev = { - .language = 0x0409, /* en-us */
- .strings = strings_dev,
- };
- static
struct usb_gadget_strings *dev_strings[] = { - &stringtab_dev,
- NULL,
- };
- /****************************** Configurations ******************************/
- static
int __init do_config(struct usb_configuration *c) - {
- struct hidg_func_node *e;
- int func = 0, status = 0;
- if (gadget_is_otg(c->cdev->gadget)) {
- c->descriptors = otg_desc;
- c->bmAttributes |= USB_CONFIG_ATT_WAKEUP;
- }
- list_for_each_entry(e, &hidg_func_list, node) {
- status = hidg_bind_config(c, e->func, func++);
- if (status)
- break;
- }
- return status;
- }
- static
struct usb_configuration config_driver = { - .label = "HID Gadget",
- .bind = do_config,
- .bConfigurationValue = 1,
- /* .iConfiguration = DYNAMIC */
- .bmAttributes = USB_CONFIG_ATT_SELFPOWER,
- };
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