RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 03:37:34 +00:00
Code Issues Activity Actions

Kernel/PCI: Start enumeration in specified start bus of the PCI domain

Browse source 
Some devices, like the Intel Volume Management Device, might have bus
numbering restrictions (so numbers can be from 224 to 225, for example).
This commit is contained in:
Liav A 2022-01-15 09:08:58 +02:00 • committed by Idan Horowitz
parent 0833ae0b36
commit 518473846a
1 changed files with 2 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

4
Kernel/Bus/PCI/Controller/HostBridge.cpp
View file

@ -106,8 +106,8 @@ UNMAP_AFTER_INIT void HostBridge::enumerate_attached_devices(Function<void(Devic
VERIFY(Access::the().scan_lock().is_locked());
// First scan bus 0. Find any device on that bus, and if it's a PCI-to-PCI
// bridge, recursively scan it too.
m_enumerated_buses.set(0, true);
enumerate_bus(callback, 0, true);
m_enumerated_buses.set(m_domain.start_bus(), true);
enumerate_bus(callback, m_domain.start_bus(), true);
// Handle Multiple PCI host bridges on slot 0, device 0.
// If we happen to miss some PCI buses because they are not reachable through