introduced in commit f76ad819e4971094
drivers/mtd: cosmetic changes
it's supposed to the invert of the writesize - 1
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>