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| author | Bjorn Helgaas <bhelgaas@google.com> | 2024-11-25 13:40:54 -0600 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2024-11-25 13:40:54 -0600 |
| commit | d985e2beb9cac53ff190883f2b7ae3085f0586f6 (patch) | |
| tree | cc673180fb8f8b66f99ff457cd45a734f4aac736 /Documentation | |
| parent | ce1deca962e3f67442dba834c8e1ba3629db6159 (diff) | |
| parent | a3151e6daaec171b7d46ac79170ec420ad874cae (diff) | |
Merge branch 'pci/reset'
- Add sysfs 'reset_subordinate' to reset hierarchy below bridge (Keith
Busch)
- Warn if we reset a running device where driver didn't register
pci_error_handlers notification callbacks (Keith Busch)
* pci/reset:
PCI: Warn if a running device is unaware of reset
PCI: Add 'reset_subordinate' to reset hierarchy below bridge
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-pci | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-pci b/Documentation/ABI/testing/sysfs-bus-pci index 7f63c7e97773..5da6a14dc326 100644 --- a/Documentation/ABI/testing/sysfs-bus-pci +++ b/Documentation/ABI/testing/sysfs-bus-pci @@ -163,6 +163,17 @@ Description: will be present in sysfs. Writing 1 to this file will perform reset. +What: /sys/bus/pci/devices/.../reset_subordinate +Date: October 2024 +Contact: linux-pci@vger.kernel.org +Description: + This is visible only for bridge devices. If you want to reset + all devices attached through the subordinate bus of a specific + bridge device, writing 1 to this will try to do it. This will + affect all devices attached to the system through this bridge + similiar to writing 1 to their individual "reset" file, so use + with caution. + What: /sys/bus/pci/devices/.../vpd Date: February 2008 Contact: Ben Hutchings <bwh@kernel.org> |