ar71xx/mikrotik: enable small sector erase in the m25p80 driver

The serial flash devices used on the ROuterBOARDs are
supporting 4KiB erase blocks. Enable the small sector
erase option in the m25p80 driver to avoid superfluous
erase/write of adjacent blocks.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
SVN-Revision: 39696

diff --git a/target/linux/ar71xx/mikrotik/config-default b/target/linux/ar71xx/mikrotik/config-default
index 0c64d316bfe65deb5b7e72ad137539ce8ae9f101..a6fbb5229a86494da60fb3dc195f1f7925576385 100644 (file)
--- a/target/linux/ar71xx/mikrotik/config-default
+++ b/target/linux/ar71xx/mikrotik/config-default
@@ -86,6 +86,7 @@ CONFIG_ATH79_ROUTERBOOT=y
 CONFIG_CMDLINE="rootfstype=yaffs noinitrd"
 # CONFIG_JFFS2_FS is not set
 CONFIG_LEDS_RB750=y
+CONFIG_M25PXX_PREFER_SMALL_SECTOR_ERASE=y
 CONFIG_MDIO_BITBANG=y
 CONFIG_MDIO_GPIO=y
 # CONFIG_MTD_CFI is not set