h5400-ohci samcop usb host: dma_map_single(ptr=c70da5a0,size=18,dir=2)
h5400-ohci samcop usb host: alloc_safe_buffer(ptr=c70da5a0, size=18, dir=2)
h5400-ohci samcop usb host: map_single: unsafe buffer c70da5a0 (phy=a70da5a0) mapped to cc892400 (phy=00002400)
dma_map_single<2>: 00002400 c70da5a0
drivers/usb/host/ohci-dbg.c: SUB c7086140 dev=3 ep=0in-ctrl flags=10 len=0/18 stat=-115
Got ohci h5400 IRQ!!!
drivers/usb/host/ohci-dbg.c: RET c7086140 dev=3 ep=0in-ctrl flags=10 len=18/18 stat=0
drivers/usb/host/ohci-dbg.c: setup(8): 80 06 00 01 00 00 12 00
drivers/usb/host/ohci-dbg.c: data(18/18): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00... stat:0
h5400-ohci samcop usb host: dma_unmap_single(ptr=00002000,size=8,dir=1)
h5400-ohci samcop usb host: unmap_single: unsafe buffer c70dad80 (phy=a70dad80) mapped to cc892000 (phy=00002000)
h5400-ohci samcop usb host: free_safe_buffer(buf=c70dadc0)
h5400-ohci samcop usb host: dma_unmap_single(ptr=00002400,size=18,dir=2)
h5400-ohci samcop usb host: unmap_single: unsafe buffer c70da5a0 (phy=a70da5a0) mapped to cc892400 (phy=00002400)
h5400-ohci samcop usb host: unmap_single: copy back safe cc892400 to unsafe c70da5a0 size 18
h5400-ohci samcop usb host: free_safe_buffer(buf=c70da440)