Huang Shijie f22d5f638b
mtd: add new fields to nand_flash_dev{} ...
As time goes on, we begin to meet the situation that we can not get enough
information from some nand chips's id data. Take some Toshiba's nand chips
for example. I have 4 Toshiba's nand chips in my hand:
TC58NVG2S0F, TC58NVG3S0F, TC58NVG5D2, TC58NVG6D2
When we read these chips' datasheets, we will get the geometry of these chips:
TC58NVG2S0F : 4096 + 224
TC58NVG3S0F : 4096 + 232
TC58NVG5D2 : 8192 + 640
TC58NVG6D2 : 8192 + 640
But we can not parse out the correct oob size for these chips from the id data.
This patch adds some new fields to the nand_flash_dev{}:
@id_len: the valid length of the id data. See the comments in
nand_id_has_period()
@oobsize: the oob size.
Signed-off-by: Huang Shijie <b32955@freescale.com >
Reviewed-by: Brian Norris <computersforpeace@gmail.com >
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com >
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com >
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Huang Shijie
f22d5f638b