static struct mutex u132_module_lock;
static int u132_exiting;
static int u132_instances;
-static struct list_head u132_static_list;
/*
* end of the global variables protected by u132_module_lock
*/
};
struct u132 {
struct kref kref;
- struct list_head u132_list;
struct mutex sw_lock;
struct mutex scheduler_lock;
struct u132_platform_data *board;
struct usb_hcd *hcd = u132_to_hcd(u132);
u132->going += 1;
mutex_lock(&u132_module_lock);
- list_del_init(&u132->u132_list);
u132_instances -= 1;
mutex_unlock(&u132_module_lock);
dev_warn(&u132->platform_dev->dev, "FREEING the hcd=%p and thus the u13"
retval = 0;
hcd->rsrc_start = 0;
mutex_lock(&u132_module_lock);
- list_add_tail(&u132->u132_list, &u132_static_list);
u132->sequence_num = ++u132_instances;
mutex_unlock(&u132_module_lock);
u132_u132_init_kref(u132);
static int __init u132_hcd_init(void)
{
int retval;
- INIT_LIST_HEAD(&u132_static_list);
u132_instances = 0;
u132_exiting = 0;
mutex_init(&u132_module_lock);
module_init(u132_hcd_init);
static void __exit u132_hcd_exit(void)
{
- struct u132 *u132;
- struct u132 *temp;
mutex_lock(&u132_module_lock);
u132_exiting += 1;
mutex_unlock(&u132_module_lock);
- list_for_each_entry_safe(u132, temp, &u132_static_list, u132_list) {
- platform_device_unregister(u132->platform_dev);
- }
platform_driver_unregister(&u132_platform_driver);
printk(KERN_INFO "u132-hcd driver deregistered\n");
wait_event(u132_hcd_wait, u132_instances == 0);