On 12/3/2010 2:38 PM, Wu, Hao wrote:
>need events like HNP FAILED, No response for HNP enable request, and NOT
>found in TPL etc. So I prefer
>to define an enum for OTG event instead of using USB_DEVICE_ADD and
>USB_DEVICE_REMOVE.
Actually I have defined some OTG events in linux/usb/intel_mid_otg.h, they are used in intel langwell/penwell otg_transceiver driver.
I think I can purpose them for common usage, only minor concern here is that maybe different platforms/otg implementations may need different events to be defined.
I think, we should limit them to OTG spec events which are required to
transition states,
start/stop timers and user space notifications like the B-device is not
in TPL, HUB class
not supported, HNP available etc
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