Added kconfig entry for MTD_DATAFLASH_WRITE_VERIFY
Cc: Bin Meng bmeng.cn@gmail.com Cc: Simon Glass sjg@chromium.org Cc: York Sun york.sun@nxp.com Signed-off-by: Jagan Teki jteki@openedev.com --- drivers/mtd/spi-nor/Kconfig | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/drivers/mtd/spi-nor/Kconfig b/drivers/mtd/spi-nor/Kconfig index f2bd630..12dcede 100644 --- a/drivers/mtd/spi-nor/Kconfig +++ b/drivers/mtd/spi-nor/Kconfig @@ -114,3 +114,13 @@ config MTD_DATAFLASH protocols during enumeration.
If unsure, say N + +config MTD_DATAFLASH_WRITE_VERIFY + bool "Verify DataFlash page writes" + depends on MTD_DATAFLASH + help + This adds an extra check when data is written to the flash. + It may help if you are verifying chip setup (timings etc) on + your board. There is a rare possibility that even though the + device thinks the write was successful, a bit could have been + flipped accidentally due to device wear or something else.