[PATCH] Make the mtdblock read/write skip the bad nand sector

[Hans Zhang]

On 2013/11/22 19:45, Ezequiel Garcia wrote:
>> Thanks for your reply.
>> This is for my embed system upgrade, I reserved one nand partition for filesystem
>> environment which will load to DDR while uboot booting.
>> This filesystem.uboot file should be able to read both by uboot and kernel, and
>> maybe written by uboot and kernel. There will be no filesystems upon the nand in
>> case the loader may not support some filesystem types while uboot booting.
>>
>> Seems that the trimmed environment of OS has get rid of the mtd-tools, So the dd
>> command was the most convenience tools to use by hand.
>>
> I still don't understand why are you using mtdblock. Why can't you write
> through the char device?

Well, yes, write through the char device would be a solution.
I think that maybe it's an optional approach through mtdblock in case we do not have
the mtd-tools in our environments, we do provider a simpler way to write the NAND
through mtdblock.

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