PCI: remove the broken PCI_MULTITHREAD_PROBE option
This patch removes the PCI_MULTITHREAD_PROBE option that had already
been marked as broken.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 18dba8e..92428e5 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -226,12 +226,10 @@
*
* Walk the list of drivers that the bus has and call
* driver_probe_device() for each pair. If a compatible
- * pair is found, break out and return. If the bus specifies
- * multithreaded probing, walking the list of drivers is done
- * on a probing thread.
+ * pair is found, break out and return.
*
* Returns 1 if the device was bound to a driver;
- * 0 if no matching device was found or multithreaded probing is done;
+ * 0 if no matching device was found;
* -ENODEV if the device is not registered.
*
* When called for a USB interface, @dev->parent->sem must be held.
@@ -239,7 +237,6 @@
int device_attach(struct device * dev)
{
int ret = 0;
- struct task_struct *probe_task = ERR_PTR(-ENOMEM);
down(&dev->sem);
if (dev->driver) {
@@ -251,12 +248,7 @@
ret = 0;
}
} else {
- if (dev->bus->multithread_probe)
- probe_task = kthread_run(device_probe_drivers, dev,
- "probe-%s", dev->bus_id);
- if(IS_ERR(probe_task))
- ret = bus_for_each_drv(dev->bus, NULL, dev,
- __device_attach);
+ ret = bus_for_each_drv(dev->bus, NULL, dev, __device_attach);
}
up(&dev->sem);
return ret;
@@ -383,33 +375,6 @@
}
}
-#ifdef CONFIG_PCI_MULTITHREAD_PROBE
-static int __init wait_for_probes(void)
-{
- DEFINE_WAIT(wait);
-
- printk(KERN_INFO "%s: waiting for %d threads\n", __FUNCTION__,
- atomic_read(&probe_count));
- if (!atomic_read(&probe_count))
- return 0;
- while (atomic_read(&probe_count)) {
- prepare_to_wait(&probe_waitqueue, &wait, TASK_UNINTERRUPTIBLE);
- if (atomic_read(&probe_count))
- schedule();
- }
- finish_wait(&probe_waitqueue, &wait);
- return 0;
-}
-
-core_initcall_sync(wait_for_probes);
-postcore_initcall_sync(wait_for_probes);
-arch_initcall_sync(wait_for_probes);
-subsys_initcall_sync(wait_for_probes);
-fs_initcall_sync(wait_for_probes);
-device_initcall_sync(wait_for_probes);
-late_initcall_sync(wait_for_probes);
-#endif
-
EXPORT_SYMBOL_GPL(device_bind_driver);
EXPORT_SYMBOL_GPL(device_release_driver);
EXPORT_SYMBOL_GPL(device_attach);
