[PATCH v2 8/9] mtd: spi-nor-core: Rework spi_nor_cypress_octal_dtr_enable()

[Jagan Teki]

On Fri, Dec 22, 2023 at 11:16 AM <tkuw584924 at gmail.com> wrote:
>
> From: Takahiro Kuwano <Takahiro.Kuwano at infineon.com>
>
> Enabling Octal DTR mode in multi-die package parts requires reister setup
> for each die. That can be done by simple for-loop. write_enable() takes
> effect to all die at once so we can call it before the loop. Besides we
> can replace spi_mem_exec_op() calls with spansion_read/write_any_reg().
> And finally, we must mask CFR2V[7:4] when changing dummy cycles, as
> CFR2V[7] indicates current addressing mode and that should be 1 (4-byte
> address mode) for multi-die package parts.
>
> Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano at infineon.com>
> ---

Reviewed-by: Jagan Teki <jagan at amarulasolutions.com>