Skip to main content

Apple Developer Docs

Fonts Symbols

Kernel / tIOUSBDeviceRequest / kIOUSBDeviceRequestTypePhase

kIOUSBDeviceRequestTypePhase

The type phase.

Declaration

kIOUSBDeviceRequestTypePhase = IOUSBBitRangePhase(5, 6)

Open on developer.apple.com

KernelEnumeration Case

macOS 10.15+

Built on 2026-05-07