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Code Issues Projects Releases Packages Wiki Activity Actions 9

Kernel/USB: Tighten up USBManagement enumeration code a bit

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Liav A 2021-08-09 23:16:24 +03:00 • committed by Andreas Kling
commit d16d116b65
Notes: sideshowbarker 2024-07-18 07:10:42 +09:00
1 changed files with 27 additions and 26 deletions
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9
Kernel/Bus/USB/USBManagement.cpp
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@ -22,9 +22,12 @@ UNMAP_AFTER_INIT USBManagement::USBManagement()
UNMAP_AFTER_INIT void USBManagement::enumerate_controllers() UNMAP_AFTER_INIT void USBManagement::enumerate_controllers()
{ {
if (!kernel_command_line().disable_usb()) { if (kernel_command_line().disable_usb())
return;
PCI::enumerate([this](PCI::Address const& address, PCI::ID) { PCI::enumerate([this](PCI::Address const& address, PCI::ID) {
if (PCI::get_class(address) == 0xc && PCI::get_subclass(address) == 0x3) { if (!(PCI::get_class(address) == 0xc && PCI::get_subclass(address) == 0x3))
return;
if (PCI::get_programming_interface(address) == 0x0) { if (PCI::get_programming_interface(address) == 0x0) {
if (kernel_command_line().disable_uhci_controller()) if (kernel_command_line().disable_uhci_controller())
return; return;
@ -51,9 +54,7 @@ UNMAP_AFTER_INIT void USBManagement::enumerate_controllers()
} }
dmesgln("USBManagement: Unknown/unsupported controller at {} with programming interface 0x{:02x}", address, PCI::get_programming_interface(address)); dmesgln("USBManagement: Unknown/unsupported controller at {} with programming interface 0x{:02x}", address, PCI::get_programming_interface(address));
}
}); });
}
} }
bool USBManagement::initialized() bool USBManagement::initialized()