Re: R: spi_async and heavy CPU occupation by ksoftirqd

[llandre <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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