target/linux/generic/patches-3.9/508-yaffs-3.3-use-mtd_-helpers.patch

   1 --- a/fs/yaffs2/yaffs_mtdif1.c
   2 +++ b/fs/yaffs2/yaffs_mtdif1.c
   3 @@ -133,7 +133,7 @@ int nandmtd1_WriteChunkWithTagsToNAND(ya
   4         ops.datbuf = (__u8 *)data;
   5         ops.oobbuf = (__u8 *)&pt1;
   6
   7 -       retval = mtd->write_oob(mtd, addr, &ops);
   8 +       retval = mtd_write_oob(mtd, addr, &ops);
   9         if (retval) {
  10                 T(YAFFS_TRACE_MTD,
  11                         (TSTR("write_oob failed, chunk %d, mtd error %d"TENDSTR),
  12 @@ -194,7 +194,7 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y
  13         /* Read page and oob using MTD.
  14          * Check status and determine ECC result.
  15          */
  16 -       retval = mtd->read_oob(mtd, addr, &ops);
  17 +       retval = mtd_read_oob(mtd, addr, &ops);
  18         if (retval) {
  19                 T(YAFFS_TRACE_MTD,
  20                         (TSTR("read_oob failed, chunk %d, mtd error %d"TENDSTR),
  21 @@ -218,7 +218,7 @@ int nandmtd1_ReadChunkWithTagsFromNAND(y
  22                 /* fall into... */
  23         default:
  24                 rettags(etags, YAFFS_ECC_RESULT_UNFIXED, 0);
  25 -               etags->block_bad = (mtd->block_isbad)(mtd, addr);
  26 +               etags->block_bad = mtd_block_isbad(mtd, addr);
  27                 return YAFFS_FAIL;
  28         }
  29
  30 @@ -286,7 +286,7 @@ int nandmtd1_MarkNANDBlockBad(struct yaf
  31
  32         T(YAFFS_TRACE_BAD_BLOCKS,(TSTR("marking block %d bad"TENDSTR), block_no));
  33
  34 -       retval = mtd->block_markbad(mtd, (loff_t)blocksize * block_no);
  35 +       retval = mtd_block_markbad(mtd, (loff_t)blocksize * block_no);
  36         return (retval) ? YAFFS_FAIL : YAFFS_OK;
  37  }
  38
  39 @@ -336,7 +336,7 @@ int nandmtd1_QueryNANDBlock(struct yaffs
  40                 return YAFFS_FAIL;
  41
  42         retval = nandmtd1_ReadChunkWithTagsFromNAND(dev, chunkNo, NULL, &etags);
  43 -       etags.block_bad = (mtd->block_isbad)(mtd, addr);
  44 +       etags.block_bad = mtd_block_isbad(mtd, addr);
  45         if (etags.block_bad) {
  46                 T(YAFFS_TRACE_BAD_BLOCKS,
  47                         (TSTR("block %d is marked bad"TENDSTR), block_no));
  48 --- a/fs/yaffs2/yaffs_vfs_glue.c
  49 +++ b/fs/yaffs2/yaffs_vfs_glue.c
  50 @@ -2607,8 +2607,8 @@ static void yaffs_MTDPutSuper(struct sup
  51  {
  52         struct mtd_info *mtd = yaffs_dev_to_mtd(yaffs_SuperToDevice(sb));
  53
  54 -       if (mtd->sync)
  55 -               mtd->sync(mtd);
  56 +       if (mtd)
  57 +               mtd_sync(mtd);
  58
  59         put_mtd_device(mtd);
  60  }
  61 --- a/fs/yaffs2/yaffs_mtdif2.c
  62 +++ b/fs/yaffs2/yaffs_mtdif2.c
  63 @@ -77,7 +77,7 @@ int nandmtd2_WriteChunkWithTagsToNAND(ya
  64         ops.ooboffs = 0;
  65         ops.datbuf = (__u8 *)data;
  66         ops.oobbuf = (dev->param.inband_tags) ? NULL : packed_tags_ptr;
  67 -       retval = mtd->write_oob(mtd, addr, &ops);
  68 +       retval = mtd_write_oob(mtd, addr, &ops);
  69
  70  #else
  71         if (!dev->param.inband_tags) {
  72 @@ -133,7 +133,7 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y
  73
  74  #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
  75         if (dev->param.inband_tags || (data && !tags))
  76 -               retval = mtd->read(mtd, addr, dev->param.total_bytes_per_chunk,
  77 +               retval = mtd_read(mtd, addr, dev->param.total_bytes_per_chunk,
  78                                 &dummy, data);
  79         else if (tags) {
  80                 ops.mode = MTD_OPS_AUTO_OOB;
  81 @@ -142,7 +142,7 @@ int nandmtd2_ReadChunkWithTagsFromNAND(y
  82                 ops.ooboffs = 0;
  83                 ops.datbuf = data;
  84                 ops.oobbuf = yaffs_dev_to_lc(dev)->spareBuffer;
  85 -               retval = mtd->read_oob(mtd, addr, &ops);
  86 +               retval = mtd_read_oob(mtd, addr, &ops);
  87         }
  88  #else
  89         if (!dev->param.inband_tags && data && tags) {
  90 @@ -201,7 +201,7 @@ int nandmtd2_MarkNANDBlockBad(struct yaf
  91           (TSTR("nandmtd2_MarkNANDBlockBad %d" TENDSTR), block_no));
  92
  93         retval =
  94 -           mtd->block_markbad(mtd,
  95 +           mtd_block_markbad(mtd,
  96                                block_no * dev->param.chunks_per_block *
  97                                dev->param.total_bytes_per_chunk);
  98
  99 @@ -221,7 +221,7 @@ int nandmtd2_QueryNANDBlock(struct yaffs
 100         T(YAFFS_TRACE_MTD,
 101           (TSTR("nandmtd2_QueryNANDBlock %d" TENDSTR), block_no));
 102         retval =
 103 -           mtd->block_isbad(mtd,
 104 +           mtd_block_isbad(mtd,
 105                              block_no * dev->param.chunks_per_block *
 106                              dev->param.total_bytes_per_chunk);
 107
 108 --- a/fs/yaffs2/yaffs_mtdif.h
 109 +++ b/fs/yaffs2/yaffs_mtdif.h
 110 @@ -31,4 +31,39 @@ int nandmtd_InitialiseNAND(yaffs_dev_t *
 111  #define MTD_OPS_AUTO_OOB       MTD_OOB_AUTO
 112  #endif
 113
 114 +#if (LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0))
 115 +static inline int mtd_erase(struct mdt_info *mtd, struct erase_info *ei)
 116 +{
 117 +       return mtd->erase(mtd, ei);
 118 +}
 119 +
 120 +static inline int mtd_block_markbad(struct mtd_info *mtd, loff_t ofs)
 121 +{
 122 +       return mtd->block_mark_bad(mtd, ofs);
 123 +}
 124 +
 125 +static inline int mtd_block_isbad(struct mtd_info *mtd, loff_t ofs)
 126 +{
 127 +       return mtd->block_is_bad(mtd, ofs);
 128 +}
 129 +
 130 +static inline int mtd_read_oob(struct mtd_info *mtd, loff_t from,
 131 +                              struct mtd_oob_ops *ops)
 132 +{
 133 +       return mtd->read_oob(mtd, from, ops);
 134 +}
 135 +
 136 +static inline int mtd_write_oob(struct mtd_info *mtd, loff_t to,
 137 +                               struct mtd_oob_ops *ops)
 138 +{
 139 +       return mtd->write_oob(mtd, to, ops);
 140 +}
 141 +
 142 +static inline void mtd_sync(struct mtd_info *mtd)
 143 +{
 144 +       if (mtd->sync)
 145 +               mtd->sync(mtd);
 146 +}
 147 +#endif
 148 +
 149  #endif
 150 --- a/fs/yaffs2/yaffs_mtdif.c
 151 +++ b/fs/yaffs2/yaffs_mtdif.c
 152 @@ -41,7 +41,7 @@ int nandmtd_EraseBlockInNAND(yaffs_dev_t
 153         ei.callback = NULL;
 154         ei.priv = (u_long) dev;
 155
 156 -       retval = mtd->erase(mtd, &ei);
 157 +       retval = mtd_erase(mtd, &ei);
 158
 159         if (retval == 0)
 160                 return YAFFS_OK;