:orphan:

.. title:: CHECK_BEFORE_READING

.. option:: CONFIG_CHECK_BEFORE_READING

*Verify area before reading it*

Type: ``bool``

Help
====

.. code-block:: none

    Do a margin check flash command before reading an area.
    This feature prevents erroneous/forbidden reading. Some ECC enabled
    devices will crash when reading an erased or wrongly programmed area.

Direct dependencies
===================

\ :option:`SOC_FLASH_MCUX <CONFIG_SOC_FLASH_MCUX>` && \ :option:`FLASH <CONFIG_FLASH>`

*(Includes any dependencies from ifs and menus.)*

Default
=======

- y if \ :option:`SOC_SERIES_LPC55XXX <CONFIG_SOC_SERIES_LPC55XXX>`

Kconfig definition
==================



At ``<Zephyr Driver>/flash/Kconfig.mcux:18``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:32`` → ``<Zephyr Driver>/Kconfig:60`` → ``<Zephyr Driver>/flash/Kconfig:69``

Menu path: (Top) → Device Drivers → Flash hardware support → MCUX flash shim driver

.. code-block:: kconfig

    config CHECK_BEFORE_READING
    	bool "Verify area before reading it"
    	default y if SOC_SERIES_LPC55XXX
    	depends on SOC_FLASH_MCUX && FLASH
    	help
    	  Do a margin check flash command before reading an area.
    	  This feature prevents erroneous/forbidden reading. Some ECC enabled
    	  devices will crash when reading an erased or wrongly programmed area.

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*