Re: [EXT] Re: [PATCH v2] mtd: rawnand: Ensure the nand chip supports cached reads

Miquel Raynal
2023-10-03T11:56:13Z

Hi Domenico,

dpunzo@micron.com wrote on Tue, 3 Oct 2023 11:29:33 +0000:

> Micron Confidential
>
> Hello Miquel,
>
> Here is a short list of devices having cache read with ECC enabled.
>
> MT29F2G08ABAGAH4, MT29F2G08ABBGAH4, MT29F2G16ABBGAH4
> MT29F1G08ABAFAH4, MT29F1G08ABBFAH4, MT29F1G16ABBFAH4

Great! Thanks a lot.

It appears that even without internal ECC enabled we get failures on
Micron parts, so I believe there is something else that we need to
investigate. But thanks for the list, I will propose a patch preventing
the use of on-die ECC together with sequential cache reads on all parts
but the ones in this list (can be extended later).

Thanks,
Miquèl