kernel spi-nand driver leaves this field empty and let mtd set it later. Signed-off-by: Chuanhong Guo <gch981213@gmail.com> (cherry-picked from commit 6fa50e26e7c1221085d8e71cde7e9148c540c752)
kernel spi-nand driver leaves this field empty and let mtd set it later. Signed-off-by: Chuanhong Guo <gch981213@gmail.com> (cherry-picked from commit 6fa50e26e7c1221085d8e71cde7e9148c540c752)