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USB: Store devices in globally accessible array

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USB Devices are now stored so that they may be later retrieved and
operated on (i.e, fetching their assigned device address via
ProcFS)
This commit is contained in:
Jesse Buhagiar 2021-06-08 00:08:41 +10:00 • committed by Ali Mohammad Pur
parent 0e680cb17a
commit 7b42146f33
4 changed files with 38 additions and 7 deletions
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4
Kernel/Devices/USB/USBDevice.cpp
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@ -16,13 +16,13 @@ static u32 s_next_usb_address = 1; // Next address we hand out to a device once
namespace Kernel::USB {
KResultOr<NonnullOwnPtr<Device>> Device::try_create(PortNumber port, DeviceSpeed speed)
KResultOr<NonnullRefPtr<Device>> Device::try_create(PortNumber port, DeviceSpeed speed)
{
auto pipe_or_error = Pipe::try_create_pipe(Pipe::Type::Control, Pipe::Direction::Bidirectional, 0, 8, 0);
if (pipe_or_error.is_error())
return pipe_or_error.error();
auto device = adopt_own_if_nonnull(new Device(port, speed, pipe_or_error.release_value()));
auto device = adopt_ref_if_nonnull(new Device(port, speed, pipe_or_error.release_value()));
if (!device)
return ENOMEM;