Re: [Intel-wired-lan] [PATCH] e1000e: disregard NVM checksum on tgp when valid checksum mask is not set

Lifshits, Vitaly
2025-05-04T09:15:01Z

On 4/28/2025 7:43 PM, Jacek Kowalski wrote:
>> Anyway, I think that the commit message should be precise.
>> How about this?
>>
>> Starting from Tiger Lake, LAN NVM is locked for writes by SW, so the
>> driver cannot perform checksum validation and correction. This means
>> that all NVM images must leave the factory with correct checksum and
>> checksum valid bit set. Since Tiger Lake devices were the first to
>> have this lock, some systems in the field did not meet this
>> requirement. Therefore, for these transitional devices we skip
>> checksum update and verification, if the valid bit is not set.
>
> Should I prepare v2 with this description?
>

Yes, please.