root@h3900:~# dmesg
400-ohci samcop usb host: OHCI 1.0, with legacy support registers
h5400-ohci samcop usb host: control 0x083 HCFS=operational CBSR=3
h5400-ohci samcop usb host: cmdstatus 0x00000 SOC=0
h5400-ohci samcop usb host: intrstatus 0x00000044 RHSC SF
h5400-ohci samcop usb host: intrenable 0x8000001a MIE UE RD WDH
h5400-ohci samcop usb host: hcca frame #0256
h5400-ohci samcop usb host: roothub.a 02001202 POTPGT=2 NOCP NPS NDP=2
h5400-ohci samcop usb host: roothub.b 00000000 PPCM=0000 DR=0000
h5400-ohci samcop usb host: roothub.status 00008000 DRWE
h5400-ohci samcop usb host: roothub.portstatus [0] 0x00000101 PPS CCS
h5400-ohci samcop usb host: roothub.portstatus [1] 0x00000100 PPS
h5400-ohci samcop usb host: GetStatus roothub.portstatus [0] = 0x00000101 PPS CCS
h5400-ohci samcop usb host: GetStatus roothub.portstatus [0] = 0x00000101 PPS CCS
h5400-ohci samcop usb host: GetStatus roothub.portstatus [0] = 0x00000101 PPS CCS
h5400-ohci samcop usb host: GetStatus roothub.portstatus [0] = 0x00000101 PPS CCS
hub 1-0:1.0: debounce: port 1: total 100ms stable 100ms status 0x101
h5400-ohci samcop usb host: GetStatus roothub.portstatus [0] = 0x00100103 PRSC PPS PES CCS
usb 1-1: new full speed USB device using h5400-ohci and address 2
drivers/usb/host/ohci-dbg.c: SUB c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-115
consistent allocator: dma_alloc_coherent (dev->dma_mem): virt_base cc890000 device_base 00000000
consistent allocator: __dma_alloc: returning from "spyro block"
consistent allocator: dma_alloc_coherent: return value cc892000 *handle 00002000
consistent allocator: dma_alloc_coherent (dev->dma_mem): virt_base cc890000 device_base 00000000
consistent allocator: __dma_alloc: returning from "spyro block"
consistent allocator: dma_alloc_coherent: return value cc893000 *handle 00003000
Got ohci h5400 IRQ!!!
h5400-ohci samcop usb host: urb c707d560 td cc893040 (2) cc 4, len=0/64
drivers/usb/host/ohci-dbg.c: RET c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-32
drivers/usb/host/ohci-dbg.c: setup(8): 80 06 00 01 00 00 40 00
drivers/usb/host/ohci-dbg.c: data(0/64): stat:-32
Got ohci h5400 IRQ!!!
Got ohci h5400 IRQ!!!
drivers/usb/host/ohci-dbg.c: SUB c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-115
Got ohci h5400 IRQ!!!
h5400-ohci samcop usb host: urb c707d560 td cc893000 (2) cc 4, len=0/64
drivers/usb/host/ohci-dbg.c: RET c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-32
drivers/usb/host/ohci-dbg.c: setup(8): 80 06 00 01 00 00 40 00
drivers/usb/host/ohci-dbg.c: data(0/64): stat:-32
Got ohci h5400 IRQ!!!
Got ohci h5400 IRQ!!!
drivers/usb/host/ohci-dbg.c: SUB c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-115
Got ohci h5400 IRQ!!!
h5400-ohci samcop usb host: urb c707d560 td cc893000 (2) cc 4, len=0/64
drivers/usb/host/ohci-dbg.c: RET c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-32
drivers/usb/host/ohci-dbg.c: setup(8): 80 06 00 01 00 00 40 00
drivers/usb/host/ohci-dbg.c: data(0/64): stat:-32
Got ohci h5400 IRQ!!!
Got ohci h5400 IRQ!!!
h5400-ohci samcop usb host: GetStatus roothub.portstatus [0] = 0x00100103 PRSC PPS PES CCS
usb 1-1: device descriptor read/64, error -32
drivers/usb/host/ohci-dbg.c: SUB c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-115
Got ohci h5400 IRQ!!!
h5400-ohci samcop usb host: urb c707d560 td cc893000 (2) cc 4, len=0/64
drivers/usb/host/ohci-dbg.c: RET c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-32
drivers/usb/host/ohci-dbg.c: setup(8): 80 06 00 01 00 00 40 00
drivers/usb/host/ohci-dbg.c: data(0/64): stat:-32
Got ohci h5400 IRQ!!!
Got ohci h5400 IRQ!!!
drivers/usb/host/ohci-dbg.c: SUB c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-115
Got ohci h5400 IRQ!!!
h5400-ohci samcop usb host: urb c707d560 td cc893000 (2) cc 4, len=0/64
drivers/usb/host/ohci-dbg.c: RET c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-32
drivers/usb/host/ohci-dbg.c: setup(8): 80 06 00 01 00 00 40 00
drivers/usb/host/ohci-dbg.c: data(0/64): stat:-32
Got ohci h5400 IRQ!!!
Got ohci h5400 IRQ!!!
drivers/usb/host/ohci-dbg.c: SUB c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-115
Got ohci h5400 IRQ!!!
h5400-ohci samcop usb host: urb c707d560 td cc893000 (2) cc 4, len=0/64
drivers/usb/host/ohci-dbg.c: RET c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-32
drivers/usb/host/ohci-dbg.c: setup(8): 80 06 00 01 00 00 40 00
drivers/usb/host/ohci-dbg.c: data(0/64): stat:-32
Got ohci h5400 IRQ!!!
Got ohci h5400 IRQ!!!
h5400-ohci samcop usb host: GetStatus roothub.portstatus [0] = 0x00100103 PRSC PPS PES CCS
usb 1-1: device descriptor read/64, error -32
h5400-ohci samcop usb host: GetStatus roothub.portstatus [0] = 0x00100103 PRSC PPS PES CCS
usb 1-1: new full speed USB device using h5400-ohci and address 3
drivers/usb/host/ohci-dbg.c: SUB c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-115
Got ohci h5400 IRQ!!!
h5400-ohci samcop usb host: urb c707d560 td cc893040 (2) cc 4, len=0/64
drivers/usb/host/ohci-dbg.c: RET c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-32
drivers/usb/host/ohci-dbg.c: setup(8): 80 06 00 01 00 00 40 00
drivers/usb/host/ohci-dbg.c: data(0/64): stat:-32
Got ohci h5400 IRQ!!!
Got ohci h5400 IRQ!!!
drivers/usb/host/ohci-dbg.c: SUB c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-115
Got ohci h5400 IRQ!!!
h5400-ohci samcop usb host: urb c707d560 td cc893000 (2) cc 4, len=0/64
drivers/usb/host/ohci-dbg.c: RET c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-32
drivers/usb/host/ohci-dbg.c: setup(8): 80 06 00 01 00 00 40 00
drivers/usb/host/ohci-dbg.c: data(0/64): stat:-32
Got ohci h5400 IRQ!!!
Got ohci h5400 IRQ!!!
drivers/usb/host/ohci-dbg.c: SUB c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-115
Got ohci h5400 IRQ!!!
h5400-ohci samcop usb host: urb c707d560 td cc893000 (2) cc 4, len=0/64
drivers/usb/host/ohci-dbg.c: RET c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-32
drivers/usb/host/ohci-dbg.c: setup(8): 80 06 00 01 00 00 40 00
drivers/usb/host/ohci-dbg.c: data(0/64): stat:-32
Got ohci h5400 IRQ!!!
Got ohci h5400 IRQ!!!
h5400-ohci samcop usb host: GetStatus roothub.portstatus [0] = 0x00100103 PRSC PPS PES CCS
usb 1-1: device descriptor read/64, error -32
drivers/usb/host/ohci-dbg.c: SUB c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-115
Got ohci h5400 IRQ!!!
h5400-ohci samcop usb host: urb c707d560 td cc893000 (2) cc 4, len=0/64
drivers/usb/host/ohci-dbg.c: RET c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-32
drivers/usb/host/ohci-dbg.c: setup(8): 80 06 00 01 00 00 40 00
drivers/usb/host/ohci-dbg.c: data(0/64): stat:-32
Got ohci h5400 IRQ!!!
Got ohci h5400 IRQ!!!
drivers/usb/host/ohci-dbg.c: SUB c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-115
Got ohci h5400 IRQ!!!
h5400-ohci samcop usb host: urb c707d560 td cc893000 (2) cc 4, len=0/64
drivers/usb/host/ohci-dbg.c: RET c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-32
drivers/usb/host/ohci-dbg.c: setup(8): 80 06 00 01 00 00 40 00
drivers/usb/host/ohci-dbg.c: data(0/64): stat:-32
Got ohci h5400 IRQ!!!
Got ohci h5400 IRQ!!!
drivers/usb/host/ohci-dbg.c: SUB c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-115
Got ohci h5400 IRQ!!!
h5400-ohci samcop usb host: urb c707d560 td cc893000 (2) cc 4, len=0/64
drivers/usb/host/ohci-dbg.c: RET c707d560 dev=0 ep=0in-ctrl flags=10 len=0/64 stat=-32
drivers/usb/host/ohci-dbg.c: setup(8): 80 06 00 01 00 00 40 00
drivers/usb/host/ohci-dbg.c: data(0/64): stat:-32
Got ohci h5400 IRQ!!!
Got ohci h5400 IRQ!!!
h5400-ohci samcop usb host: GetStatus roothub.portstatus [0] = 0x00100103 PRSC PPS PES CCS
usb 1-1: device descriptor read/64, error -32
h5400-ohci samcop usb host: GetStatus roothub.portstatus [1] = 0x00000100 PPS
hub 1-0:1.0: port 2, status 0100, change 0000, 12 Mb/s
hub 1-0:1.0: state 5 ports 2 chg 0000 evt 0002
h5400-ohci samcop usb host: GetStatus roothub.portstatus [0] = 0x00000101 PPS CCS