1521 static bool erased_chunk_check_and_fixup(u8 *data_buf, int data_len)  in erased_chunk_check_and_fixup()  argument
1531 	empty1 = data_buf[3];  in erased_chunk_check_and_fixup()
1532 	empty2 = data_buf[175];  in erased_chunk_check_and_fixup()
1540 		data_buf[3] = 0xff;  in erased_chunk_check_and_fixup()
1541 		data_buf[175] = 0xff;  in erased_chunk_check_and_fixup()
1548 	if (memchr_inv(data_buf, 0xff, data_len)) {  in erased_chunk_check_and_fixup()
1549 		data_buf[3] = empty1;  in erased_chunk_check_and_fixup()
1550 		data_buf[175] = empty2;  in erased_chunk_check_and_fixup()
1584 		       u8 *data_buf, u8 *oob_buf, int page, int cw)  in qcom_nandc_read_cw_raw()  argument
1628 	read_data_dma(nandc, reg_off, data_buf, data_size1, 0);  in qcom_nandc_read_cw_raw()
1634 	read_data_dma(nandc, reg_off, data_buf + data_size1, data_size2, 0);  in qcom_nandc_read_cw_raw()
1665 check_for_erased_page(struct qcom_nand_host *host, u8 *data_buf,  in check_for_erased_page()  argument
1675 	if (!data_buf)  in check_for_erased_page()
1676 		data_buf = nand_get_data_buf(chip);  in check_for_erased_page()
1693 		cw_data_buf = data_buf + (cw * host->cw_data);  in check_for_erased_page()
1724 static int parse_read_errors(struct qcom_nand_host *host, u8 *data_buf,  in parse_read_errors()  argument
1735 	u8 *data_buf_start = data_buf, *oob_buf_start = oob_buf;  in parse_read_errors()
1778 			} else if (data_buf) {  in parse_read_errors()
1779 				erased = erased_chunk_check_and_fixup(data_buf,  in parse_read_errors()
1807 		if (data_buf)  in parse_read_errors()
1808 			data_buf += data_len;  in parse_read_errors()
1828 static int read_page_ecc(struct qcom_nand_host *host, u8 *data_buf,  in read_page_ecc()  argument
1834 	u8 *data_buf_start = data_buf, *oob_buf_start = oob_buf;  in read_page_ecc()
1853 			if (data_buf && oob_buf) {  in read_page_ecc()
1857 			} else if (data_buf) {  in read_page_ecc()
1867 		if (data_buf)  in read_page_ecc()
1868 			read_data_dma(nandc, FLASH_BUF_ACC, data_buf,  in read_page_ecc()
1888 		if (data_buf)  in read_page_ecc()
1889 			data_buf += data_size;  in read_page_ecc()
1946 	u8 *data_buf, *oob_buf = NULL;  in qcom_nandc_read_page()  local
1949 	data_buf = buf;  in qcom_nandc_read_page()
1954 	return read_page_ecc(host, data_buf, oob_buf, page);  in qcom_nandc_read_page()
1965 	u8 *data_buf = buf, *oob_buf = chip->oob_poi;  in qcom_nandc_read_page_raw()  local
1968 		ret = qcom_nandc_read_cw_raw(mtd, chip, data_buf, oob_buf,  in qcom_nandc_read_page_raw()
1973 		data_buf += host->cw_data;  in qcom_nandc_read_page_raw()
2004 	u8 *data_buf, *oob_buf;  in qcom_nandc_write_page()  local
2012 	data_buf = (u8 *)buf;  in qcom_nandc_write_page()
2032 		write_data_dma(nandc, FLASH_BUF_ACC, data_buf, data_size,  in qcom_nandc_write_page()
2051 		data_buf += data_size;  in qcom_nandc_write_page()
2076 	u8 *data_buf, *oob_buf;  in qcom_nandc_write_page_raw()  local
2083 	data_buf = (u8 *)buf;  in qcom_nandc_write_page_raw()
2107 		write_data_dma(nandc, reg_off, data_buf, data_size1,  in qcom_nandc_write_page_raw()
2110 		data_buf += data_size1;  in qcom_nandc_write_page_raw()
2117 		write_data_dma(nandc, reg_off, data_buf, data_size2,  in qcom_nandc_write_page_raw()
2120 		data_buf += data_size2;  in qcom_nandc_write_page_raw()