The current mmc driver returns erroneous capacity information for
eMMC. The capacity of eMMC devices is available only in the ext-CSD
register. This patch add code to read the ext-CDSD register and
correctly calculate eMMC capacity.
Signed-off-by: Sukumar Ghorai <s-ghorai@ti.com>
Acked-by: Steve Sakoman <steve@sakoman.com>