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Commit 7ca94e07 authored by Boris Brezillon's avatar Boris Brezillon Committed by Brian Norris
Browse files

mtd: nand: gpmi: add raw oob access functions 



Implement raw OOB access functions to retrieve OOB bytes when accessing the
NAND in raw mode.

Signed-off-by: default avatarBoris Brezillon <boris.brezillon@free-electrons.com>
Tested-by: default avatarHuang Shijie <shijie8@gmail.com>
Signed-off-by: default avatarBrian Norris <computersforpeace@gmail.com>
parent da3bc42c

drivers/mtd/nand/gpmi-nand/gpmi-nand.c

+18 −0
Original line number Diff line number Diff line
@@ -1528,6 +1528,22 @@ static int gpmi_ecc_write_page_raw(struct mtd_info *mtd, 
	return 0;

}



static int gpmi_ecc_read_oob_raw(struct mtd_info *mtd, struct nand_chip *chip,

				 int page)

{

	chip->cmdfunc(mtd, NAND_CMD_READ0, 0, page);



	return gpmi_ecc_read_page_raw(mtd, chip, NULL, 1, page);

}



static int gpmi_ecc_write_oob_raw(struct mtd_info *mtd, struct nand_chip *chip,

				 int page)

{

	chip->cmdfunc(mtd, NAND_CMD_SEQIN, 0, page);



	return gpmi_ecc_write_page_raw(mtd, chip, NULL, 1);

}



static int gpmi_block_markbad(struct mtd_info *mtd, loff_t ofs)

{

	struct nand_chip *chip = mtd->priv;
@@ -1847,6 +1863,8 @@ static int gpmi_init_last(struct gpmi_nand_data *this) 
	ecc->write_oob	= gpmi_ecc_write_oob;

	ecc->read_page_raw = gpmi_ecc_read_page_raw;

	ecc->write_page_raw = gpmi_ecc_write_page_raw;

	ecc->read_oob_raw = gpmi_ecc_read_oob_raw;

	ecc->write_oob_raw = gpmi_ecc_write_oob_raw;

	ecc->mode	= NAND_ECC_HW;

	ecc->size	= bch_geo->ecc_chunk_size;

	ecc->strength	= bch_geo->ecc_strength;