[PATCH] nand: Add a watch command

[Miquel Raynal]

Hi Michael,

On 26/11/2024 at 21:19:58 +01, Michael Nazzareno Trimarchi <michael at amarulasolutions.com> wrote:

> Hi Miquel
>
> On Tue, Nov 28, 2023 at 11:56 AM Miquel Raynal
> <miquel.raynal at bootlin.com> wrote:
>>
>> This is a debug command to monitor the retention state of the data on
>> the array. The command needs a duplication of the mtd_read_oob()
>> function to actually return the maximum number of bitflips encountered
>> while reading the page. We could write a specific implementation for the
>> Sunxi driver but this is probably enough.
>>
>>     nand watch <off> <size> - check an area for bitflips
>>     nand watch.part <part> - check a partition for bitflips
>>     nand watch.chip - check the whole device for bitflips
>>
>> The output may be a bit verbose and could look like:
>>
>
> I have rebased and I will take a look on this patch tomorrow. I think having it
> is ok.

Haha, I must admit I forgot about it, but I think it would be nice to
get it in, I used this tool quite a lot for debugging purposes, I am
sure it can be useful to others. :-)

Cheers,
Miquèl