Contributors: 24
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Yinghai Lu |
130 |
21.14% |
7 |
15.22% |
| Rafael J. Wysocki |
92 |
14.96% |
5 |
10.87% |
| Greg Kroah-Hartman |
91 |
14.80% |
6 |
13.04% |
| Björn Helgaas |
58 |
9.43% |
5 |
10.87% |
| Patrick Mochel |
45 |
7.32% |
1 |
2.17% |
| John Rose |
40 |
6.50% |
2 |
4.35% |
| Pali Rohár |
25 |
4.07% |
1 |
2.17% |
| Thierry Reding |
17 |
2.76% |
1 |
2.17% |
| Alexander Chiang |
14 |
2.28% |
1 |
2.17% |
| Russell King |
13 |
2.11% |
1 |
2.17% |
| Satoru Takeuchi |
11 |
1.79% |
1 |
2.17% |
| Ray Jui |
10 |
1.63% |
1 |
2.17% |
| Jiang Liu |
9 |
1.46% |
2 |
4.35% |
| Shaohua Li |
9 |
1.46% |
1 |
2.17% |
| Hari Vyas |
8 |
1.30% |
1 |
2.17% |
| Yanmin Zhang |
8 |
1.30% |
1 |
2.17% |
| Scott Murray |
7 |
1.14% |
1 |
2.17% |
| Alex Williamson |
6 |
0.98% |
1 |
2.17% |
| Lukas Wunner |
5 |
0.81% |
2 |
4.35% |
| Rajesh Shah |
5 |
0.81% |
1 |
2.17% |
| Linus Torvalds (pre-git) |
5 |
0.81% |
1 |
2.17% |
| Jon Smirl |
4 |
0.65% |
1 |
2.17% |
| Matthew Dobson |
2 |
0.33% |
1 |
2.17% |
| Rob Herring |
1 |
0.16% |
1 |
2.17% |
| Total |
615 |
|
46 |
|
// SPDX-License-Identifier: GPL-2.0
#include <linux/pci.h>
#include <linux/module.h>
#include "pci.h"
static void pci_free_resources(struct pci_dev *dev)
{
int i;
for (i = 0; i < PCI_NUM_RESOURCES; i++) {
struct resource *res = dev->resource + i;
if (res->parent)
release_resource(res);
}
}
static void pci_stop_dev(struct pci_dev *dev)
{
pci_pme_active(dev, false);
if (pci_dev_is_added(dev)) {
device_release_driver(&dev->dev);
pci_proc_detach_device(dev);
pci_remove_sysfs_dev_files(dev);
pci_dev_assign_added(dev, false);
}
}
static void pci_destroy_dev(struct pci_dev *dev)
{
if (!dev->dev.kobj.parent)
return;
device_del(&dev->dev);
down_write(&pci_bus_sem);
list_del(&dev->bus_list);
up_write(&pci_bus_sem);
pcie_aspm_exit_link_state(dev);
pci_bridge_d3_update(dev);
pci_free_resources(dev);
put_device(&dev->dev);
}
void pci_remove_bus(struct pci_bus *bus)
{
pci_proc_detach_bus(bus);
down_write(&pci_bus_sem);
list_del(&bus->node);
pci_bus_release_busn_res(bus);
up_write(&pci_bus_sem);
pci_remove_legacy_files(bus);
if (bus->ops->remove_bus)
bus->ops->remove_bus(bus);
pcibios_remove_bus(bus);
device_unregister(&bus->dev);
}
EXPORT_SYMBOL(pci_remove_bus);
static void pci_stop_bus_device(struct pci_dev *dev)
{
struct pci_bus *bus = dev->subordinate;
struct pci_dev *child, *tmp;
/*
* Stopping an SR-IOV PF device removes all the associated VFs,
* which will update the bus->devices list and confuse the
* iterator. Therefore, iterate in reverse so we remove the VFs
* first, then the PF.
*/
if (bus) {
list_for_each_entry_safe_reverse(child, tmp,
&bus->devices, bus_list)
pci_stop_bus_device(child);
}
pci_stop_dev(dev);
}
static void pci_remove_bus_device(struct pci_dev *dev)
{
struct pci_bus *bus = dev->subordinate;
struct pci_dev *child, *tmp;
if (bus) {
list_for_each_entry_safe(child, tmp,
&bus->devices, bus_list)
pci_remove_bus_device(child);
pci_remove_bus(bus);
dev->subordinate = NULL;
}
pci_destroy_dev(dev);
}
/**
* pci_stop_and_remove_bus_device - remove a PCI device and any children
* @dev: the device to remove
*
* Remove a PCI device from the device lists, informing the drivers
* that the device has been removed. We also remove any subordinate
* buses and children in a depth-first manner.
*
* For each device we remove, delete the device structure from the
* device lists, remove the /proc entry, and notify userspace
* (/sbin/hotplug).
*/
void pci_stop_and_remove_bus_device(struct pci_dev *dev)
{
pci_stop_bus_device(dev);
pci_remove_bus_device(dev);
}
EXPORT_SYMBOL(pci_stop_and_remove_bus_device);
void pci_stop_and_remove_bus_device_locked(struct pci_dev *dev)
{
pci_lock_rescan_remove();
pci_stop_and_remove_bus_device(dev);
pci_unlock_rescan_remove();
}
EXPORT_SYMBOL_GPL(pci_stop_and_remove_bus_device_locked);
void pci_stop_root_bus(struct pci_bus *bus)
{
struct pci_dev *child, *tmp;
struct pci_host_bridge *host_bridge;
if (!pci_is_root_bus(bus))
return;
host_bridge = to_pci_host_bridge(bus->bridge);
list_for_each_entry_safe_reverse(child, tmp,
&bus->devices, bus_list)
pci_stop_bus_device(child);
/* stop the host bridge */
device_release_driver(&host_bridge->dev);
}
EXPORT_SYMBOL_GPL(pci_stop_root_bus);
void pci_remove_root_bus(struct pci_bus *bus)
{
struct pci_dev *child, *tmp;
struct pci_host_bridge *host_bridge;
if (!pci_is_root_bus(bus))
return;
host_bridge = to_pci_host_bridge(bus->bridge);
list_for_each_entry_safe(child, tmp,
&bus->devices, bus_list)
pci_remove_bus_device(child);
#ifdef CONFIG_PCI_DOMAINS_GENERIC
/* Release domain_nr if it was dynamically allocated */
if (host_bridge->domain_nr == PCI_DOMAIN_NR_NOT_SET)
pci_bus_release_domain_nr(bus, host_bridge->dev.parent);
#endif
pci_remove_bus(bus);
host_bridge->bus = NULL;
/* remove the host bridge */
device_del(&host_bridge->dev);
}
EXPORT_SYMBOL_GPL(pci_remove_root_bus);