The MTD framework in U-boot is not identical for drivers ported from Linux. The rockchip_nfc driver was ported with OOB ops functions while the framework expects a layout structure per chip. Fix by adding a structure with OOB data and remove unused functions.
Signed-off-by: Johan Jonker jbx6244@gmail.com Reviewed-by: Kever Yang kever.yang@rock-chips.com Reviewed-by: Michael Trimarchi michael@amarulasolutions.com --- drivers/mtd/nand/raw/rockchip_nfc.c | 61 ++++++++++------------------- 1 file changed, 20 insertions(+), 41 deletions(-)
diff --git a/drivers/mtd/nand/raw/rockchip_nfc.c b/drivers/mtd/nand/raw/rockchip_nfc.c index a8ec6bfc..ab13e52c 100644 --- a/drivers/mtd/nand/raw/rockchip_nfc.c +++ b/drivers/mtd/nand/raw/rockchip_nfc.c @@ -814,47 +814,9 @@ static void rk_nfc_disable_clks(struct rk_nfc *nfc) clk_disable_unprepare(nfc->ahb_clk); }
-static int rk_nfc_ooblayout_free(struct mtd_info *mtd, int section, - struct mtd_oob_region *oob_region) -{ - struct nand_chip *chip = mtd_to_nand(mtd); - struct rk_nfc_nand_chip *rknand = rk_nfc_to_rknand(chip); - - if (section) - return -ERANGE; - - /* - * The beginning of the OOB area stores the reserved data for the NFC, - * the size of the reserved data is NFC_SYS_DATA_SIZE bytes. - */ - oob_region->length = rknand->metadata_size - NFC_SYS_DATA_SIZE - 2; - oob_region->offset = NFC_SYS_DATA_SIZE + 2; - - return 0; -} - -static int rk_nfc_ooblayout_ecc(struct mtd_info *mtd, int section, - struct mtd_oob_region *oob_region) -{ - struct nand_chip *chip = mtd_to_nand(mtd); - struct rk_nfc_nand_chip *rknand = rk_nfc_to_rknand(chip); - - if (section) - return -ERANGE; - - oob_region->length = mtd->oobsize - rknand->metadata_size; - oob_region->offset = rknand->metadata_size; - - return 0; -} - -static const struct mtd_ooblayout_ops rk_nfc_ooblayout_ops = { - .rfree = rk_nfc_ooblayout_free, - .ecc = rk_nfc_ooblayout_ecc, -}; - static int rk_nfc_ecc_init(struct rk_nfc *nfc, struct nand_chip *chip) { + struct rk_nfc_nand_chip *rknand = rk_nfc_to_rknand(chip); const u8 *strengths = nfc->cfg->ecc_strengths; struct mtd_info *mtd = nand_to_mtd(chip); struct nand_ecc_ctrl *ecc = &chip->ecc; @@ -892,6 +854,21 @@ static int rk_nfc_ecc_init(struct rk_nfc *nfc, struct nand_chip *chip) ecc->steps = mtd->writesize / ecc->size; ecc->bytes = DIV_ROUND_UP(ecc->strength * fls(8 * chip->ecc.size), 8);
+ if (ecc->bytes * ecc->steps > mtd->oobsize - rknand->metadata_size) + return -EINVAL; + + ecc->layout = kzalloc(sizeof(*ecc->layout), GFP_KERNEL); + if (!ecc->layout) + return -ENOMEM; + + ecc->layout->eccbytes = ecc->bytes * ecc->steps; + + for (i = 0; i < ecc->layout->eccbytes; i++) + ecc->layout->eccpos[i] = rknand->metadata_size + i; + + ecc->layout->oobfree[0].length = rknand->metadata_size - NFC_SYS_DATA_SIZE - 2; + ecc->layout->oobfree[0].offset = NFC_SYS_DATA_SIZE + 2; + return 0; }
@@ -969,7 +946,6 @@ static int rk_nfc_nand_chip_init(ofnode node, struct rk_nfc *nfc, int devnum) chip->bbt_options = NAND_BBT_USE_FLASH | NAND_BBT_NO_OOB; chip->options |= NAND_NO_SUBPAGE_WRITE | NAND_USE_BOUNCE_BUFFER;
- mtd_set_ooblayout(mtd, &rk_nfc_ooblayout_ops); rk_nfc_hw_init(nfc); ret = nand_scan_ident(mtd, nsels, NULL); if (ret) @@ -998,13 +974,16 @@ static int rk_nfc_nand_chip_init(ofnode node, struct rk_nfc *nfc, int devnum)
if (!nfc->page_buf) { nfc->page_buf = kzalloc(NFC_MAX_PAGE_SIZE, GFP_KERNEL); - if (!nfc->page_buf) + if (!nfc->page_buf) { + kfree(ecc->layout); return -ENOMEM; + } }
if (!nfc->oob_buf) { nfc->oob_buf = kzalloc(NFC_MAX_OOB_SIZE, GFP_KERNEL); if (!nfc->oob_buf) { + kfree(ecc->layout); kfree(nfc->page_buf); nfc->page_buf = NULL; return -ENOMEM; -- 2.20.1