Hi3520V300+NVP6124B驱动加载问题

在加载驱动的时候，加载nvp6124_ex.ko的时候，出现下面错误
HI_CHIP_HI3521A
AHD2.0 Device (0x60) ID OK... 86
AHD2.0 Device (0x60) REV ... 0

hi_i2c_wait_txfifo_notfull->284: transmit error, int_raw_status: 0x750!

hi_i2c_wait_txfifo_notfull->286:
tx_abrt_cause is 1.

hi_i2c_wait_txfifo_notfull->284:
transmit error, int_raw_status: 0x750!

hi_i2c_wait_txfifo_notfull->286:
tx_abrt_cause is 1.

AHD2.0 Device ID Error... ff
hi_i2c_wait_txfifo_notfull->284:
transmit error, int_raw_status: 0x750!

hi_i2c_wait_txfifo_notfull->286:
tx_abrt_cause is 1.

hi_i2c_wait_txfifo_notfull->284:
transmit error, int_raw_status: 0x750!

hi_i2c_wait_txfifo_notfull->286:
tx_abrt_cause is 1.

AHD2.0 Device ID Error... ff
hi_i2c_wait_txfifo_notfull->284:
transmit error, int_raw_status: 0x750!

hi_i2c_wait_txfifo_notfull->286:
tx_abrt_cause is 1.

hi_i2c_wait_txfifo_notfull->284:
transmit error, int_raw_status: 0x750!

hi_i2c_wait_txfifo_notfull->286:
tx_abrt_cause is 1.

AHD2.0 Device ID Error... ff
AHD2.0 Count = 1
nvp6124b_system_init
ch 0 setted to 1080P PAL
ch 1 setted to 1080P PAL
ch 2 setted to 1080P PAL
ch 3 setted to 1080P PAL
[david] Set NVP6124B Port mode! nvp6124b_set_portmode portsel 0 portmode 11 setting

怎么解决啊。