Contributors: 34
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
Yinghai Lu |
135 |
19.54% |
8 |
12.90% |
Greg Kroah-Hartman |
89 |
12.88% |
5 |
8.06% |
Björn Helgaas |
59 |
8.54% |
6 |
9.68% |
Rafael J. Wysocki |
57 |
8.25% |
5 |
8.06% |
Patrick Mochel |
45 |
6.51% |
1 |
1.61% |
John Rose |
40 |
5.79% |
2 |
3.23% |
Bartosz Golaszewski |
37 |
5.35% |
2 |
3.23% |
Manivannan Sadhasivam |
23 |
3.33% |
3 |
4.84% |
Brian Norris |
19 |
2.75% |
1 |
1.61% |
Pali Rohár |
18 |
2.60% |
1 |
1.61% |
Thierry Reding |
17 |
2.46% |
1 |
1.61% |
Alexander Chiang |
14 |
2.03% |
1 |
1.61% |
Russell King |
13 |
1.88% |
1 |
1.61% |
Satoru Takeuchi |
11 |
1.59% |
1 |
1.61% |
Ray Jui |
10 |
1.45% |
1 |
1.61% |
Lukas Wunner |
10 |
1.45% |
3 |
4.84% |
Jiang Liu |
9 |
1.30% |
2 |
3.23% |
Shaohua Li |
9 |
1.30% |
1 |
1.61% |
Yanmin Zhang |
8 |
1.16% |
1 |
1.61% |
Scott Murray |
7 |
1.01% |
1 |
1.61% |
Mika Westerberg |
7 |
1.01% |
1 |
1.61% |
Alex Williamson |
6 |
0.87% |
1 |
1.61% |
Keith Busch |
6 |
0.87% |
2 |
3.23% |
Herve Codina |
5 |
0.72% |
1 |
1.61% |
Boqun Feng |
5 |
0.72% |
1 |
1.61% |
Alistair Francis |
5 |
0.72% |
1 |
1.61% |
Linus Torvalds (pre-git) |
5 |
0.72% |
1 |
1.61% |
Lizhi Hou |
5 |
0.72% |
1 |
1.61% |
Mariusz Tkaczyk |
5 |
0.72% |
1 |
1.61% |
Jon Smirl |
4 |
0.58% |
1 |
1.61% |
Rajesh Shah |
3 |
0.43% |
1 |
1.61% |
Hari Vyas |
2 |
0.29% |
1 |
1.61% |
Matthew Dobson |
2 |
0.29% |
1 |
1.61% |
Rob Herring |
1 |
0.14% |
1 |
1.61% |
Total |
691 |
|
62 |
|
// 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;
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_doe_sysfs_teardown(dev);
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_pwrctrl_unregister(&dev->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);
of_pci_remove_host_bridge_node(host_bridge);
/* 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);