I was wondering if there was any thought to providing a mechanism for
SPI bus drivers to implement a direct synchronous interface so we
don't have to use wait_for_completion.
The case I have is I need to talk to a microcontroller connected over
SPI. I'd like to be able to issue a command to the microcontroller
in a MachineCheck handler before the system reboots. I need a truly
synchronous interface opposed to one fronting the async interface.
Also, who is the maintainer for the SPI subsystem?
thanks
- kumar
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