NAND_Ecc_P4o       70 drivers/mtd/nand/raw/omap2.c #define P4o(a)		(TF(a & NAND_Ecc_P4o)		<< 7)
NAND_Ecc_P4o      100 drivers/mtd/nand/raw/omap2.c #define P4o_s(a)	(TF(a & NAND_Ecc_P4o)		<< 1)