stdtest׼
ǽmtdԴṩ6׼ԣread/page/subpage/oob/speed/stressΪһ׼ԡͨòԣ˵ѴﵽҪ

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dev:ָʹõmtdĬֵΪ4

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rootزģ鲢Խͨkernel log
cmd:insmod nandflash_stdtest.ko dev=4