Atatched is a dirty ugly patch that seems to work for 1-byte transfers I 
use with QT510.
In case RDY control is enabled, transfer is completed by

interrupt_data_ready (new irq handler)
pump_transfers (tasklet)

in this order.


Regards,
llandre

DAVE Electronics System House - R&D Department
web:   http://www.dave-tech.it
email: r&d2-4VKA1VU3ct/j+vYz1yj4TQ@public.gmane.org


> AFAIK introducing support for RDY in the driver is not a trivial matter.
> Since
> a) I just need to perform 1-byte transactions to communicate with 
> Quantum QT510
> b) I don't have much time to spend on this issue (customer needs to 
> assemble a demo quickly)
> I'm afraid I'll have to write a dirty patch just to make my specific 
> configuration work.
> 
> I'll keep you informed anyway.
> 
> Regards,
> llandre
> 
> DAVE Electronics System House - R&D Department
> web:   http://www.dave-tech.it
> email: r&d2-4VKA1VU3ct/j+vYz1yj4TQ@public.gmane.org
> 
> 
> 
>> You're right the current version of the driver doesn't support RDY control.
>> Infact SPI_DEFAULT_CONTROL is defined with SPI_CONTROL_DRCTL_0.
>> Also setup function doesn't managed DRCTL changes.
>>
>> Then you probably changes SPI_DEFAULT_CONTROL to use SPI_CONTROL_DRCTL_2.
>>
>> Please do your suggestions for driver modification in order to release a driver patch.
>>
>> - Andrea
> 
> 
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