I would like to discuss if there is idea to validate subdriver
parameters explicitly at run-time when subdriver module is load.
There is configuration parameters for about every driver like:
* I2C address
* clock frequency
Nowadays, when main driver loads subdriver, it passes those static
compile-time parameters to the subdriver, those parameters are not
mainly validated at all. That could lead situation device is not
working, instead it is will fail with some error, like I/O as I2C
address is wrong.
As these parameters are set compile time, this situation affects only
developers which are adding support for new hardware.
regards
Antti
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http://palosaari.fi/
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