Re: [PATCH v5 08/10] mtd: spi-nor-core: Add Cypress manufacturer ID in set_4byte

[Takahiro Kuwano]

On 2/24/2021 9:11 PM, Pratyush Yadav wrote:
> On 19/02/21 10:56AM, tkuw584...@gmail.com wrote:
>> From: Takahiro Kuwano <takahiro.kuw...@infineon.com>
>>
>> Cypress chips support SPINOR_OP_EN4B(B7h)/SPINOR_OP_EX4B(E9h) to
> 
> The datasheet says the EN4B command is indeed B7h but EX4B is listed as 
> B8h. The command E9h is for "Password Unlock". So exiting 4 byte mode 
> will do something completely different.
> 
How stupid of me!
Thank you for thorough review.