RE: [RFC] Bluetooth: Add firmware load infrastructure for BT devices

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Hi Bala,

> Firmware loading to target RAM needs to be done once when the device is inserted.  Firmware loading will not be required every time 
> the device goes from DOWN to UP. I think each HCI driver requires
> a separate firmware loading code as firmware loading is 
> different for different interfaces.  Please advice if my understanding is wrong.
> 
> I initially thought of registration 
> mechanism with btusb transport driver to load firmware, but before
> the device is inserted btusb will not be loaded and registering the 
> firmware load function with btusb was not possible.
> 
> Please advice alternate solution to load firmware from transport driver.

my advise would be to just build devices that change their USB VID/PID
after the firmware got loaded. That way it is easy to have a firmware
loading driver and just btusb for real operation. Why is it so hard to
build just simple hardware that would just work.

Regards

Marcel


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