Re: [PATCH v4 12/16] mtd: spi-nor: perform a Soft Reset on shutdown

Tudor.Ambarus
2020-05-10T11:22:33Z

Hi, Pratyush,

On Friday, April 24, 2020 9:44:06 PM EEST Pratyush Yadav wrote:
> A Software Reset sequence will return the flash to Power-on-Reset (POR)
> state. It consists of two commands: Soft Reset Enable and Soft Reset.
>
> Perform a Soft Reset on shutdown on flashes that support it so that the
> flash can be reset to its initial state and any configurations made by
> spi-nor (given that they're only done in volatile registers) will be
> reset. This will hand back the flash in pristine state for any further
> operations on it.

Please don't introduce SPI_NOR_SOFT_RESET yet. We should instead determine the
software reset sequence by inspecting BFPT[16], bits 13:8.

Cheers,
ta