git.openwrt.org Git - openwrt/staging/nbd.git/blob

   1 From 94802b344195d3574701ca6ab5122f6b7615a6eb Mon Sep 17 00:00:00 2001
   2 From: Daniel Golle <daniel@makrotopia.org>
   3 Date: Sun, 11 Aug 2024 23:12:33 +0100
   4 Subject: [PATCH] mediatek: snfi: fix return code when reading
   5
   6 Return 0 on succesful read, which may contain correctable bitflips.
   7
   8 Fixes: #10
   9 Signed-off-by: Daniel Golle <daniel@makrotopia.org>
  10 ---
  11  plat/mediatek/apsoc_common/bl2/bl2_dev_snfi_init.c | 4 +++-
  12  1 file changed, 3 insertions(+), 1 deletion(-)
  13
  14 --- a/plat/mediatek/apsoc_common/bl2/bl2_dev_snfi_init.c
  15 +++ b/plat/mediatek/apsoc_common/bl2/bl2_dev_snfi_init.c
  16 @@ -30,9 +30,14 @@ static int snfi_mtd_read_page(struct nan
  17         int ret;
  18
  19         ret = mtk_snand_read_page(snf, addr, (void *)buffer, NULL, false);
  20 -       if (ret == -EBADMSG || ret > 0)
  21 +       if (ret == -EBADMSG)
  22                 ret = 0;
  23
  24 +       if (ret > 0) {
  25 +               NOTICE("corrected %d bitflips while reading page %u\n", ret, page);
  26 +               ret = 0;
  27 +       }
  28 +
  29         return ret;
  30  }
  31