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CONFIG_MTD_SPI_NOR_SWP_DISABLE_ON_VOLATILE: Disable SWP on flashes w/ volatile protection bits

General informations

The Linux kernel configuration item CONFIG_MTD_SPI_NOR_SWP_DISABLE_ON_VOLATILE:

Help text

Some SPI flashes have volatile block protection bits, ie. after a power-up or a reset the flash is software write protected by default.

This option disables the software write protection for these kind of flashes while keeping it enabled for any other SPI flashes which have non-volatile write protection bits.

If the software write protection will be disabled depending on the flash either the block protection bits are cleared or a "Global Unprotect" command is issued.

If you are unsure, select this option.

Hardware

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