/* Disables integrated USB DMA for a specified channel. */
void USBDMAChannelDisable(uint32_t ui32Base, uint32_t ui32Channel)
/* Disables integrated USB DMA for a specified channel. */
void USBDMAChannelDisable(uint32_t ui32Base, uint32_t ui32Channel)
{
    ASSERT(ui32Base == USB0_BASE);
    ASSERT(ui32Channel < 8);
    HWREG(ui32Base + USB_O_DMACTL0 + (0x10 * ui32Channel)) &=
        ~USB_DMACTL0_ENABLE;
}