t113移植FT5446触摸驱动报错？

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insmod focaltech_ts.ko 报错
报错日志
root@(none):/# insmod focaltech_ts.ko
[ 45.327665] input: fts_ts as /devices/platform/soc@3000000/sunxi-i2c2/i2c-2/2-0038/input/input1
[ 45.377656] fts_ts 2-0038: 2-0038 supply not found, using dummy regulator
[ 45.385569] fts_ts 2-0038: 2-0038 supply not found, using dummy regulator
[ 45.407580] debugfs: Directory '2-0038-' with parent 'reg-dummy-regulator-dummy' already present!
请问是什么原因？