target/linux/sunxi/patches-4.1/128-2-mtd-nand-support-non-ONFI-timings.patch

   1 --- a/drivers/mtd/nand/nand_base.c
   2 +++ b/drivers/mtd/nand/nand_base.c
   3 @@ -4262,8 +4262,13 @@ static bool find_full_id_nand(struct mtd
   4                 chip->ecc_strength_ds = NAND_ECC_STRENGTH(type);
   5                 chip->ecc_step_ds = NAND_ECC_STEP(type);
   6
   7 -               mode = type->onfi_timing_mode_default;
   8 -               chip->sdr_timings = onfi_async_timing_mode_to_sdr_timings(mode);
   9 +               if (type->custom_sdr_timing) {
  10 +                       chip->sdr_timings = type->custom_sdr_timing;
  11 +               } else {
  12 +                       mode = type->onfi_timing_mode_default;
  13 +                       chip->sdr_timings =
  14 +                               onfi_async_timing_mode_to_sdr_timings(mode);
  15 +               }
  16
  17                 *busw = type->options & NAND_BUSWIDTH_16;
  18
  19 --- a/include/linux/mtd/nand.h
  20 +++ b/include/linux/mtd/nand.h
  21 @@ -988,6 +988,7 @@ struct nand_flash_dev {
  22                 uint16_t step_ds;
  23         } ecc;
  24         int onfi_timing_mode_default;
  25 +       const struct nand_sdr_timings *custom_sdr_timing;
  26  };
  27
  28  /**