qcom_spi_set_read_loc
qcom_spi_set_read_loc(snandc, num_cw - 1, 0, 0, ecc_cfg->cw_size, 1);
qcom_spi_set_read_loc(snandc, raw_cw, 0, 0, ecc_cfg->cw_size, 1);
qcom_spi_set_read_loc(snandc, cw, 0, read_loc, data_size1, 0);
qcom_spi_set_read_loc(snandc, cw, 1, read_loc, oob_size1, 0);
qcom_spi_set_read_loc(snandc, cw, 2, read_loc, data_size2, 0);
qcom_spi_set_read_loc(snandc, cw, 3, read_loc, oob_size2, 1);
qcom_spi_set_read_loc(snandc, i, 0, 0, data_size, 0);
qcom_spi_set_read_loc(snandc, i, 1, data_size, oob_size, 1);
qcom_spi_set_read_loc(snandc, i, 0, 0, data_size, 1);
qcom_spi_set_read_loc(snandc, i, 0, data_size, oob_size, 1);
qcom_spi_set_read_loc(snandc, i, 0, data_size, oob_size, 1);