target/linux/ramips/patches-4.14/0040-nand-hack-restore-write_page.patch

   1 --- a/include/linux/mtd/rawnand.h
   2 +++ b/include/linux/mtd/rawnand.h
   3 @@ -885,6 +885,9 @@ struct nand_chip {
   4         int(*waitfunc)(struct mtd_info *mtd, struct nand_chip *this);
   5         int (*erase)(struct mtd_info *mtd, int page);
   6         int (*scan_bbt)(struct mtd_info *mtd);
   7 +       int (*write_page)(struct mtd_info *mtd, struct nand_chip *chip,
   8 +                       uint32_t offset, int data_len, const uint8_t *buf,
   9 +                       int oob_required, int page, int raw);
  10         int (*onfi_set_features)(struct mtd_info *mtd, struct nand_chip *chip,
  11                         int feature_addr, uint8_t *subfeature_para);
  12         int (*onfi_get_features)(struct mtd_info *mtd, struct nand_chip *chip,
  13 --- a/drivers/mtd/nand/nand_base.c
  14 +++ b/drivers/mtd/nand/nand_base.c
  15 @@ -2756,9 +2756,14 @@ static int nand_do_write_ops(struct mtd_
  16                         memset(chip->oob_poi, 0xff, mtd->oobsize);
  17                 }
  18
  19 -               ret = nand_write_page(mtd, chip, column, bytes, wbuf,
  20 -                                     oob_required, page,
  21 -                                     (ops->mode == MTD_OPS_RAW));
  22 +//             if (chip->write_page)
  23 +                       ret = chip->write_page(mtd, chip, column, bytes, wbuf,
  24 +                                              oob_required, page,
  25 +                                              (ops->mode == MTD_OPS_RAW));
  26 +//             else
  27 +//                     ret = nand_write_page(mtd, chip, column, bytes, wbuf,
  28 +//                                           oob_required, page,
  29 +//                                           (ops->mode == MTD_OPS_RAW));
  30                 if (ret)
  31                         break;
  32
  33 @@ -4714,6 +4719,9 @@ int nand_scan_tail(struct mtd_info *mtd)
  34                 }
  35         }
  36
  37 +//     if (!chip->write_page)
  38 +//             chip->write_page = nand_write_page;
  39 +
  40         /*
  41          * Check ECC mode, default to software if 3byte/512byte hardware ECC is
  42          * selected and we have 256 byte pagesize fallback to software ECC