I want to write something in Chinese, but I am the root in linux platform, there is no chinese input type. Ok, write in english.
In the usb directory, there are so many subdirectories, include of core, host, otg, musb, storage, serial, atm, gadget and so on. maybe there are only seraval I need to care. the directories as class,storage, image, serial, misc, atm are the device drivers above the USB core in the linux in the host side. I don't need to care them. maybe I need to care the host, core, otg, musb and gadget, yes. I must analysis the Makefile and add the musb to the kernle. It is the thing I must do tommor.
I need to go to windows and listen my english. Yes, I must do this.