[U-Boot] [PATCH] NAND: Let NAND_NO_SUBPAGE_WRITE through

Stefano Babic sbabic at denx.de
Sun Nov 6 15:54:56 CET 2011


On 11/06/2011 01:43 PM, Marek Vasut wrote:
> 
> Yes sure, but the controller driver sets it as a chip option as there's no 
> "controller" option field and I don't want to introduce new definition consuming 
> one bit in the top half of chip option.

Let's see how evolve the discussion - allowing to mix chip and
controller options was

> 
> No, the controller must set NAND_NO_SUBPAGE_WRITE as a chip option in its driver 
> to force it so it should work for both cases.

As far as I remember (not very well, I admit..), the only way for the
driver to set them was in the board_nand_init(), but these options are
overwritten when the flash is detected, making NAND_NO_SUBPAGE_WRITE
worthless. Am I wrong ?

Stefano

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