[PATCHv4 0/5] mtd: gpmi: make blockmark swapping optional

Lothar Waßmann LW at KARO-electronics.de
Thu Jun 26 03:44:51 PDT 2014


Hi,

Lothar Waßmann wrote:
> With a flash-based BBT there is no reason to move the Factory Bad
> Block Marker from the data area buffer (to where it is mapped by the
> GPMI NAND controller) to the OOB buffer. Thus, make this feature
> configurable via DT. This is required for the Ka-Ro electronics
> i.MX6 platforms.
> 
> Changes wrt. v2:
> - added a warning for i.MX28 to the binding documentation
> - fixed the gpmi_ecc_read_subpage() routine which turned on blockmark
>   swapping unconditionally
> - use !GPMI_IS_MX23() in place of this->swap_block_mark (which were
>   synonymous the original code) in gpmi_ecc_read_oob() and
>   gpmi_block_markbad()
> - make nand-on-flash-bbt a prerequisite for this feature
> 
> patch added:
> - add an additional option to turn of BB mark writing
> 
> Changes wrt. v3:
> - added two code cleanup patches
> - added a patch to turn of NAND_BBT_CREATE, if blockmark swapping is disabled
> 
> 
any comments on this patchset?


Lothar Waßmann
-- 
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