static int ps3_probe_thread(void *data)
{
struct ps3_repository_device *repo = data;
int result;
unsigned int ms = 250;
pr_debug(" -> %s:%u: kthread started\n", __func__, __LINE__);
do {
try_to_freeze();
pr_debug("%s:%u: probing...\n", __func__, __LINE__);
do {
result = ps3_repository_find_device(repo);
if (result == -ENODEV)
pr_debug("%s:%u: nothing new\n", __func__,
__LINE__);
else if (result)
pr_debug("%s:%u: find device error.\n",
__func__, __LINE__);
else {
pr_debug("%s:%u: found device (%u:%u:%u)\n",
__func__, __LINE__, repo->bus_index,
repo->dev_index, repo->dev_type);
ps3_register_repository_device(repo);
ps3_repository_bump_device(repo);
ms = 250;
}
} while (!result);
pr_debug("%s:%u: ms %u\n", __func__, __LINE__, ms);
if ( ms > 60000)
break;
msleep_interruptible(ms);
/* An exponential backoff. */
ms <<= 1;
} while (!kthread_should_stop());
pr_debug(" <- %s:%u: kthread finished\n", __func__, __LINE__);
return 0;
}
int __devinit ps3_repository_find_devices(enum ps3_bus_type bus_type,
int (*callback)(const struct ps3_repository_device *repo))
{
int result = 0;
struct ps3_repository_device repo;
pr_devel(" -> %s:%d: find bus_type %u\n", __func__, __LINE__, bus_type);
repo.bus_type = bus_type;
result = ps3_repository_find_bus(repo.bus_type, 0, &repo.bus_index);
if (result) {
pr_devel(" <- %s:%u: bus not found\n", __func__, __LINE__);
return result;
}
result = ps3_repository_read_bus_id(repo.bus_index, &repo.bus_id);
if (result) {
pr_devel("%s:%d read_bus_id(%u) failed\n", __func__, __LINE__,
repo.bus_index);
return result;
}
for (repo.dev_index = 0; ; repo.dev_index++) {
result = ps3_repository_find_device(&repo);
if (result == -ENODEV) {
result = 0;
break;
} else if (result)
break;
result = callback(&repo);
if (result) {
pr_devel("%s:%d: abort at callback\n", __func__,
__LINE__);
break;
}
}
pr_devel(" <- %s:%d\n", __func__, __LINE__);
return result;
}
