mirrors/ladybird
0
0
Fork 0
mirror of https://github.com/LadybirdBrowser/ladybird.git synced 2025-09-22 01:08:56 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 10

Kernel: Reorder VirtIODevice PCI initialization steps

Browse source 
We can't reset the device before we've read the PCI configuration
space, because we read the reset register location from the
configuration space.
This commit is contained in:
Sahan Fernando 2021-05-15 22:14:06 +10:00 • committed by Linus Groh
commit cbc845c8a8
Notes: sideshowbarker 2024-07-18 18:04:38 +09:00
1 changed files with 3 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

6
Kernel/VirtIO/VirtIO.cpp
View file

@ -48,9 +48,6 @@ VirtIODevice::VirtIODevice(PCI::Address address, String class_name)
PCI::enable_interrupt_line(pci_address());
enable_irq();
reset_device();
set_status_bit(DEVICE_STATUS_ACKNOWLEDGE);
auto capabilities = PCI::get_physical_id(address).capabilities();
for (auto& capability : capabilities) {
if (capability.id() == PCI_CAPABILITY_VENDOR_SPECIFIC) {
@ -90,6 +87,9 @@ VirtIODevice::VirtIODevice(PCI::Address address, String class_name)
m_isr_cfg = get_config(ConfigurationType::ISR, 0);
}
reset_device();
set_status_bit(DEVICE_STATUS_ACKNOWLEDGE);
set_status_bit(DEVICE_STATUS_DRIVER);
}