Re: [PATCH v9 7/9] mtd: spi-nor-core: Add Cypress manufacturer ID in set_4byte

29 Jun 2021


      On Tue, Jun 29, 2021 at 11:31 AM tkuw584924@gmail.com wrote:
...
From: Takahiro Kuwano Takahiro.Kuwano@infineon.com
Cypress chips support SPINOR_OP_EN4B(B7h) to enable 4-byte addressing mode.
Cypress chips support B8h to disable 4-byte addressing mode instead of
SPINOR_OP_EX4B(E9h).
This patch defines new opcode and updates set_4byte() to support
enable/disable 4-byte addressing mode for Cypress chips.
Signed-off-by: Takahiro Kuwano Takahiro.Kuwano@infineon.com
Reviewed-by: Jagan Teki jagan@amarulasolutions.com