nand/raw/nand_base.c

463 	u8 status;
471 	ret = nand_status_op(chip, &status);
475 	return status & NAND_STATUS_WP ? 0 : 1;
555  * nand_wait_status_ready - [GENERIC] Wait for the ready status after commands.
559  * Wait for status ready (i.e. command done) or timeout.
570 		u8 status;
572 		ret = nand_read_data_op(chip, &status, sizeof(status), true);
576 		if (status & NAND_STATUS_READY)
639 	 * Program and erase have their own busy handlers status and sequential
735 	 * Program and erase have their own busy handlers status, sequential
736 	 * in and status need no delay.
849 			u8 status;
851 			ret = nand_read_data_op(chip, &status, sizeof(status),
856 			if (status & NAND_STATUS_READY)
873 	u8 status;
897 			ret = nand_read_data_op(chip, &status,
898 						sizeof(status), true);
902 			if (status & NAND_STATUS_READY)
908 	ret = nand_read_data_op(chip, &status, sizeof(status), true);
913 	WARN_ON(!(status & NAND_STATUS_READY));
914 	return status;
1243 	int status;
1247 	status = chip->waitfunc(mtd, chip);
1248 	if (status & NAND_STATUS_FAIL)
1273 	int status;
1285 	status = chip->waitfunc(mtd, chip);
1286 	if (status & NAND_STATUS_FAIL)
1362  * @status: out variable to store the NAND status
1364  * This function sends a STATUS command and reads back the status returned by
1370 int nand_status_op(struct nand_chip *chip, u8 *status)
1375 	if (status)
1376 		*status = chip->read_byte(mtd);
1387  * command to avoid reading only the status until a new read command is sent.
1419 	int status;
1424 	status = chip->waitfunc(mtd, chip);
1425 	if (status < 0)
1426 		return status;
1428 	if (status & NAND_STATUS_FAIL)
1452 	int i, status;
1458 	status = chip->waitfunc(mtd, chip);
1459 	if (status & NAND_STATUS_FAIL)
3082 	int status, subpage;
3091 		status = nand_prog_page_begin_op(chip, page, 0, NULL, 0);
3092 		if (status)
3093 			return status;
3097 		status = chip->ecc.write_page_raw(mtd, chip, buf,
3100 		status = chip->ecc.write_subpage(mtd, chip, offset, data_len,
3103 		status = chip->ecc.write_page(mtd, chip, buf, oob_required,
3106 	if (status < 0)
3107 		return status;
3345 	int chipnr, page, status, len;
3404 		status = chip->ecc.write_oob_raw(mtd, chip, page & chip->pagemask);
3406 		status = chip->ecc.write_oob(mtd, chip, page & chip->pagemask);
3410 	if (status)
3411 		return status;
3465  * Standard erase command for NAND chips. Returns NAND status.
3501 	int page, status, pages_per_block, ret, chipnr;
3560 		status = chip->erase(mtd, page & chip->pagemask);
3563 		if (status & NAND_STATUS_FAIL) {