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Kernel/USB: Add control_transfer() function USB::Device

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Some other parts of the USB stack may require us to perform a control
transfer. Instead of abusing `friend` to expose the default pipe, let's
just expose it via a function.
This commit is contained in:
Jesse Buhagiar
2022-04-11 22:00:27 +10:00
committed by Andreas Kling
parent dac26f89cb
commit a1df8a1896
2 changed files with 7 additions and 0 deletions
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5
Kernel/Bus/USB/USBDevice.cpp
View File

@@ -138,4 +138,9 @@ ErrorOr<void> Device::enumerate_device()
return {};
}
ErrorOr<size_t> Device::control_transfer(u8 request_type, u8 request, u16 value, u16 index, u16 length, void* data)
{
return TRY(m_default_pipe->control_transfer(request_type, request, value, index, length, data));
}
}

2
Kernel/Bus/USB/USBDevice.h
View File

@@ -47,6 +47,8 @@ public:
USBController& controller() { return *m_controller; }
USBController const& controller() const { return *m_controller; }
ErrorOr<size_t> control_transfer(u8 request_type, u8 request, u16 value, u16 index, u16 length, void* data);
protected:
Device(NonnullRefPtr<USBController> controller, u8 address, u8 port, DeviceSpeed speed, NonnullOwnPtr<Pipe> default_pipe);