[U-Boot] [PATCH v6 46/76] mtd: spi-nor: Add kconfig MTD_DATAFLASH_WRITE_VERIFY

Jagan Teki
2016-02-14T20:48:45Z

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>
Cc: Haikun Wang <haikun.wang@freescale.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 15e8432..f039a9d 100644
--- a/drivers/mtd/spi-nor/Kconfig
+++ b/drivers/mtd/spi-nor/Kconfig
@@ -112,3 +112,13 @@ 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.
--
1.9.1