69 	uint8_t idx, reg1, reg2, reg3, tmp1, tmp2;  in nand_calculate_ecc()  local
73 	reg1 = reg2 = reg3 = 0;  in nand_calculate_ecc()
84 			reg2 ^= ~((uint8_t) i);  in nand_calculate_ecc()
90 	tmp1 |= (reg2 & 0x80) >> 1; /* B7 -> B6 */  in nand_calculate_ecc()
92 	tmp1 |= (reg2 & 0x40) >> 2; /* B6 -> B4 */  in nand_calculate_ecc()
94 	tmp1 |= (reg2 & 0x20) >> 3; /* B5 -> B2 */  in nand_calculate_ecc()
96 	tmp1 |= (reg2 & 0x10) >> 4; /* B4 -> B0 */  in nand_calculate_ecc()
99 	tmp2 |= (reg2 & 0x08) << 3; /* B3 -> B6 */  in nand_calculate_ecc()
101 	tmp2 |= (reg2 & 0x04) << 2; /* B2 -> B4 */  in nand_calculate_ecc()
103 	tmp2 |= (reg2 & 0x02) << 1; /* B1 -> B2 */  in nand_calculate_ecc()
105 	tmp2 |= (reg2 & 0x01) << 0; /* B7 -> B0 */  in nand_calculate_ecc()