Contributors: 32
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Yinghai Lu |
135 |
19.82% |
8 |
13.56% |
| Greg Kroah-Hartman |
89 |
13.07% |
5 |
8.47% |
| Björn Helgaas |
60 |
8.81% |
6 |
10.17% |
| Rafael J. Wysocki |
57 |
8.37% |
5 |
8.47% |
| Patrick Mochel |
45 |
6.61% |
1 |
1.69% |
| Bartosz Golaszewski |
44 |
6.46% |
2 |
3.39% |
| John Rose |
40 |
5.87% |
2 |
3.39% |
| Brian Norris |
19 |
2.79% |
1 |
1.69% |
| Pali Rohár |
18 |
2.64% |
1 |
1.69% |
| Thierry Reding |
17 |
2.50% |
1 |
1.69% |
| Manivannan Sadhasivam |
15 |
2.20% |
2 |
3.39% |
| Alexander Chiang |
14 |
2.06% |
1 |
1.69% |
| Russell King |
13 |
1.91% |
1 |
1.69% |
| Satoru Takeuchi |
11 |
1.62% |
1 |
1.69% |
| Lukas Wunner |
10 |
1.47% |
3 |
5.08% |
| Ray Jui |
10 |
1.47% |
1 |
1.69% |
| Jiang Liu |
9 |
1.32% |
2 |
3.39% |
| Shaohua Li |
9 |
1.32% |
1 |
1.69% |
| Yanmin Zhang |
8 |
1.17% |
1 |
1.69% |
| Scott Murray |
7 |
1.03% |
1 |
1.69% |
| Mika Westerberg |
7 |
1.03% |
1 |
1.69% |
| Keith Busch |
6 |
0.88% |
2 |
3.39% |
| Alex Williamson |
6 |
0.88% |
1 |
1.69% |
| Boqun Feng |
5 |
0.73% |
1 |
1.69% |
| Lizhi Hou |
5 |
0.73% |
1 |
1.69% |
| Mariusz Tkaczyk |
5 |
0.73% |
1 |
1.69% |
| Linus Torvalds (pre-git) |
5 |
0.73% |
1 |
1.69% |
| Jon Smirl |
4 |
0.59% |
1 |
1.69% |
| Rajesh Shah |
3 |
0.44% |
1 |
1.69% |
| Hari Vyas |
2 |
0.29% |
1 |
1.69% |
| Matthew Dobson |
2 |
0.29% |
1 |
1.69% |
| Rob Herring |
1 |
0.15% |
1 |
1.69% |
| Total |
681 |
|
59 |
|
// SPDX-License-Identifier: GPL-2.0
#include <linux/pci.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include "pci.h"
static void pci_free_resources(struct pci_dev *dev)
{
struct resource *res;
pci_dev_for_each_resource(dev, res) {
if (res->parent)
release_resource(res);
}
}
static void pci_pwrctrl_unregister(struct device *dev)
{
struct device_node *np;
struct platform_device *pdev;
np = dev_of_node(dev);
if (!np)
return;
pdev = of_find_device_by_node(np);
if (!pdev)
return;
of_device_unregister(pdev);
of_node_clear_flag(np, OF_POPULATED);
}
static void pci_stop_dev(struct pci_dev *dev)
{
pci_pme_active(dev, false);
if (!pci_dev_test_and_clear_added(dev))
return;
pci_pwrctrl_unregister(&dev->dev);
device_release_driver(&dev->dev);
pci_proc_detach_device(dev);
pci_remove_sysfs_dev_files(dev);
of_pci_remove_node(dev);
}
static void pci_destroy_dev(struct pci_dev *dev)
{
if (pci_dev_test_and_set_removed(dev))
return;
pci_npem_remove(dev);
device_del(&dev->dev);
down_write(&pci_bus_sem);
list_del(&dev->bus_list);
up_write(&pci_bus_sem);
pci_doe_destroy(dev);
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(host_bridge->dev.parent, bus->domain_nr);
#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);