Question regarding Linux-6.3.5 and Sunxi A20 NAND/NFC support

John Watts contact at
Fri Aug 18 00:45:52 EDT 2023

On Thu, Aug 17, 2023 at 10:21:35PM +0100, Fawad Lateef wrote:
> Hi John,
> Thanks for your help. I found the reason for my issue. I defined the
> pinctrl information under the "soc" next to "nfc" entry in
> sunxi-a20.dtsi which was messing it up.
> I moved them inside the "pio" dtsi block and NAND is detected now.


> Though almost all blocks are reported as bad-blocks.  I am thinking
> that it's happening as I don't have partition information defined in
> DTS. Do you think that this is the reason for bad-blocks reporting?

I don't have much knowledge here but you might want to confirm the
contents of your bad block table is being read and has correct values.

This might help:

> Regards,
> Fawad Lateef


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