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Re: [Qemu-devel] [PATCH V2 2/3] usb-gotemp: new module emulating a USB


From: Scott Tsai
Subject: Re: [Qemu-devel] [PATCH V2 2/3] usb-gotemp: new module emulating a USB thermometer
Date: Tue, 10 Nov 2009 23:14:47 +0800

>> +    s->temperature++;
>>
> You're going to overheat very quickly.
> Apart from making the driver work, is this actually useful?

I wanted the temperature to change with time to give a sense of
"something is happening" ^_^

The main user I had in mind was someone new to USB and Linux driver development
following gregkh's driver tutorial:
http://www.kroah.com/linux/talks/ols_2005_driver_tutorial/
My thinking was that if the temperature never changes, all the USB
packets generated in the 'read_int_callback"
part of the driver would seem like a waste of effort.




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