Re: Problem with re-loading hci_uart.ko on RPi3

[Stefan Wahren <stefan.wahren@i2se.com>]

Am 19.02.2018 um 11:10 schrieb Frédéric Danis:
> Hi Marcel,
>
> Le 18/02/2018 à 20:07, Marcel Holtmann a écrit :
>>
>>>> One option is of course to keep the max-speed in the DT at 115200 
>>>> Mbps. It would work, but seriously slow down the transport. Maybe 
>>>> this should be done until we get access to the GPIOs.
>> So I am convinced when we run on hardware that has no GPIO resources 
>> exposed (as it is with RPi right now), we should limit the 
>> operational speed to the initialization speed. And then my problem 
>> actually goes away. It also forces people to get the GPIOs exposed or 
>> they have to stick with a slower HCI transport.
>
> We may also reset to initialization speed on module unload.
> This will allow multiple tests on the hardware, even if it does not 
> have GPIOs exposed.

I prefer this solution instead of coding workarounds within the devicetree.

Thanks
Stefan

>
> Regards,
>
> Fred
>