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As of now, the flash parameters initialization logic is as following:
a/ default flash parameters init in spi_nor_init_params()
b/ manufacturer specific flash parameters updates, split across entire
spi-nor core code
c/ flash parameters updates based on SFDP tables
d/ post BFPT flash parameter updates
In the quest of removing the manufacturer specific code from the spi-nor
core, we want to impose a timeline/priority on how the flash parameters
are updated. The following sequence of calls is pursued:
1/ spi-nor core parameters init based on 'flash_info' struct:
spi_nor_info_init_params()
which can be overwritten by:
2/ MFR-based manufacturer flash parameters init:
nor->manufacturer->fixups->default_init()
which can be overwritten by:
3/ specific flash_info tweeks done when decisions can not be done just on
MFR:
nor->info->fixups->default_init()
which can be overwritten by:
4/ SFDP tables flash parameters init - SFDP knows better:
spi_nor_sfdp_init_params()
which can be overwritten by:
5/ post SFDP tables flash parameters updates - in case manufacturers get
the serial flash tables wrong or incomplete.
nor->info->fixups->post_sfdp()
The later can be extended to nor->manufacturer->fixups->post_sfdp() if
needed.
This patch opens doors for steps 2/ and 3/.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Vignesh Raghavendra <vigneshr@ti.com>
ce0b6f3f3c