[ECOS] flash driver interface questions

[Jani Monoses]

I see that in low level flash drivers flash_erase_block has one parameter.
Exceptions are the Intel StrataFlash and the synth target flash which have 2 parameters.
The upper layer io/flash/../flash.c calls this with 2 arguments.

The same is true for flash_program_buf: strata and synth have 5 arguments while the rest
of the drivers have 3.The upper layer calls this low level fn with 5 arguments.

Is one interface preferable over the other?Which is newest?
Thanks
Jani 

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