Antoine Tenart <antoine.ten...@free-electrons.com> writes:

>> All these ifs per variant will add complexity to the current driver, won't 
>> they
>> ?
>
> Given the current state of this driver I believe this would be a better
> idea to first rework it to use the nand framework properly. Then it will
> be possible to have a look on what we have, to decide whether or not a
> mrvl-nand-lib is needed.

I don't fully agree to delay.
You're taking code, making sometimes copy-paste, for the berlin specific
functions, and I think you're taking the bugs as well, which duplicates the fix
effort.

For example, in nand_cmdfunc_berlin():
+       if (info->reg_ndcr & NDCR_DWIDTH_M)
+               column /= 2;

This is I think a copy-paste from its twin nand_cmdfunc(). Now consider what
happens if the command is _not_ a read command, but an ONFI READID command
(ONFI being specified by column=0x20 if memory serves me well).

This is the reason I don't really like this patch. And this is also the reason
why I believe you're in a perfect timing to improve things, by grouping the
common function, and keeping the bugs in only one place, not many.

Cheers.

-- 
Robert
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