cregit-Linux how code gets into the kernel

Release 4.14 drivers/pci/remove.c

Directory: drivers/pci
#include <linux/pci.h>
#include <linux/module.h>
#include <linux/pci-aspm.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); } }

Contributors

PersonTokensPropCommitsCommitProp
Rafael J. Wysocki51100.00%1100.00%
Total51100.00%1100.00%


static void pci_stop_dev(struct pci_dev *dev) { pci_pme_active(dev, false); if (dev->is_added) { pci_proc_detach_device(dev); pci_remove_sysfs_dev_files(dev); device_release_driver(&dev->dev); dev->is_added = 0; } if (dev->bus->self) pcie_aspm_exit_link_state(dev); }

Contributors

PersonTokensPropCommitsCommitProp
Greg Kroah-Hartman2844.44%225.00%
David Shaohua Li1320.63%112.50%
Rafael J. Wysocki812.70%225.00%
Rajesh Shah57.94%112.50%
Jon Smirl57.94%112.50%
Satoru Takeuchi46.35%112.50%
Total63100.00%8100.00%


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); pci_bridge_d3_update(dev); pci_free_resources(dev); put_device(&dev->dev); }

Contributors

PersonTokensPropCommitsCommitProp
Rafael J. Wysocki4565.22%337.50%
Satoru Takeuchi1014.49%112.50%
Lukas Wunner57.25%225.00%
Greg Kroah-Hartman57.25%112.50%
Jiang Liu45.80%112.50%
Total69100.00%8100.00%


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); }

Contributors

PersonTokensPropCommitsCommitProp
Greg Kroah-Hartman2938.67%220.00%
Thierry Reding1722.67%110.00%
John Rose810.67%220.00%
Björn Helgaas68.00%110.00%
Jiang Liu56.67%110.00%
Yinghai Lu45.33%110.00%
Yanmin Zhang45.33%110.00%
Matthew Dobson22.67%110.00%
Total75100.00%10100.00%

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); }

Contributors

PersonTokensPropCommitsCommitProp
Björn Helgaas2341.82%250.00%
John Rose1730.91%125.00%
Yinghai Lu1527.27%125.00%
Total55100.00%4100.00%


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); }

Contributors

PersonTokensPropCommitsCommitProp
Yinghai Lu4975.38%240.00%
Greg Kroah-Hartman710.77%120.00%
John Rose69.23%120.00%
Björn Helgaas34.62%120.00%
Total65100.00%5100.00%

/** * 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); }

Contributors

PersonTokensPropCommitsCommitProp
Yinghai Lu1575.00%150.00%
Satoru Takeuchi525.00%150.00%
Total20100.00%2100.00%

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(); }

Contributors

PersonTokensPropCommitsCommitProp
Rafael J. Wysocki21100.00%1100.00%
Total21100.00%1100.00%

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); }

Contributors

PersonTokensPropCommitsCommitProp
Yinghai Lu65100.00%2100.00%
Total65100.00%2100.00%

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); pci_remove_bus(bus); host_bridge->bus = NULL; /* remove the host bridge */ device_unregister(&host_bridge->dev); }

Contributors

PersonTokensPropCommitsCommitProp
Yinghai Lu76100.00%2100.00%
Total76100.00%2100.00%

EXPORT_SYMBOL_GPL(pci_remove_root_bus);

Overall Contributors

PersonTokensPropCommitsCommitProp
Yinghai Lu22637.79%619.35%
Rafael J. Wysocki13021.74%516.13%
Greg Kroah-Hartman8213.71%39.68%
John Rose366.02%26.45%
Björn Helgaas325.35%39.68%
Satoru Takeuchi193.18%13.23%
Thierry Reding172.84%13.23%
David Shaohua Li162.68%13.23%
Ray Jui101.67%13.23%
Jiang Liu91.51%26.45%
Lukas Wunner50.84%26.45%
Rajesh Shah50.84%13.23%
Jon Smirl50.84%13.23%
Yanmin Zhang40.67%13.23%
Matthew Dobson20.33%13.23%
Total598100.00%31100.00%
Directory: drivers/pci
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