Hi all,
I am now writing drivers for divio's cameras. I ran into a strange
problem when I call usb_control_msg() from probe().
I succeeded calling usb_control_msg() with the pointer to a local
variable as the argument 'data'(the seventh argument),
while the pointer to a global variable failed.
The error message is
usb_control/bulk_msg: timeout
hci: host controller halted: very bad
Does anybody know the reasons?
Thanks a lot in advance.
Regards,
Tong
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