From 5adc55da4a7758021bcc374904b0f8b076508a11 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Tue, 27 Mar 2007 03:02:51 +0200 Subject: 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 Signed-off-by: Greg Kroah-Hartman --- drivers/base/dd.c | 41 +++-------------------------------------- 1 file changed, 3 insertions(+), 38 deletions(-) (limited to 'drivers/base') diff --git a/drivers/base/dd.c b/drivers/base/dd.c index 18dba8e78da..92428e55b0c 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -226,12 +226,10 @@ static int device_probe_drivers(void *data) * * 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 @@ static int device_probe_drivers(void *data) 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 @@ int device_attach(struct device * dev) 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 @@ void driver_detach(struct device_driver * drv) } } -#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); -- cgit v1.2.3