[PATCH v2] mtd: spi-nor: Describe locking support for MX25L51245G

Marek Vasut marex at nabladev.com
Fri Oct 23 17:18:18 PDT 2026


On 10/24/26 2:16 AM, Marek Vasut wrote:
> The MX25L51245G part has similar 4-BP locking mechanism as MX25L12805D,
> however, the TB bit on this part is OTP. Introduce support for Top-only
> locking in case the TB bit is not set, and disable locking in case the
> TB bit is fused i.e. set to Bottom mode.
Cheng Ming , can you (or someone from Macronix) please have a look at 
this patch and confirm that it is OK ?

Thank you for your help !



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