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Diffstat (limited to 'drivers/mtd/devices/doc2000.c')
-rw-r--r--drivers/mtd/devices/doc2000.c39
1 files changed, 24 insertions, 15 deletions
diff --git a/drivers/mtd/devices/doc2000.c b/drivers/mtd/devices/doc2000.c
index d9ba1ee658f6..c54e40464d82 100644
--- a/drivers/mtd/devices/doc2000.c
+++ b/drivers/mtd/devices/doc2000.c
@@ -59,10 +59,10 @@ static int doc_read_ecc(struct mtd_info *mtd, loff_t from, size_t len,
59 size_t *retlen, u_char *buf, u_char *eccbuf, struct nand_oobinfo *oobsel); 59 size_t *retlen, u_char *buf, u_char *eccbuf, struct nand_oobinfo *oobsel);
60static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len, 60static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len,
61 size_t *retlen, const u_char *buf, u_char *eccbuf, struct nand_oobinfo *oobsel); 61 size_t *retlen, const u_char *buf, u_char *eccbuf, struct nand_oobinfo *oobsel);
62static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, size_t len, 62static int doc_read_oob(struct mtd_info *mtd, loff_t ofs,
63 size_t *retlen, u_char *buf); 63 struct mtd_oob_ops *ops);
64static int doc_write_oob(struct mtd_info *mtd, loff_t ofs, size_t len, 64static int doc_write_oob(struct mtd_info *mtd, loff_t ofs,
65 size_t *retlen, const u_char *buf); 65 struct mtd_oob_ops *ops);
66static int doc_write_oob_nolock(struct mtd_info *mtd, loff_t ofs, size_t len, 66static int doc_write_oob_nolock(struct mtd_info *mtd, loff_t ofs, size_t len,
67 size_t *retlen, const u_char *buf); 67 size_t *retlen, const u_char *buf);
68static int doc_erase (struct mtd_info *mtd, struct erase_info *instr); 68static int doc_erase (struct mtd_info *mtd, struct erase_info *instr);
@@ -959,12 +959,18 @@ static int doc_write_ecc(struct mtd_info *mtd, loff_t to, size_t len,
959 return 0; 959 return 0;
960} 960}
961 961
962static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, size_t len, 962static int doc_read_oob(struct mtd_info *mtd, loff_t ofs,
963 size_t * retlen, u_char * buf) 963 struct mtd_oob_ops *ops)
964{ 964{
965 struct DiskOnChip *this = mtd->priv; 965 struct DiskOnChip *this = mtd->priv;
966 int len256 = 0, ret; 966 int len256 = 0, ret;
967 struct Nand *mychip; 967 struct Nand *mychip;
968 uint8_t *buf = ops->oobbuf;
969 size_t len = ops->len;
970
971 BUG_ON(ops->mode != MTD_OOB_PLACE);
972
973 ofs += ops->ooboffs;
968 974
969 mutex_lock(&this->lock); 975 mutex_lock(&this->lock);
970 976
@@ -1005,7 +1011,7 @@ static int doc_read_oob(struct mtd_info *mtd, loff_t ofs, size_t len,
1005 1011
1006 DoC_ReadBuf(this, &buf[len256], len - len256); 1012 DoC_ReadBuf(this, &buf[len256], len - len256);
1007 1013
1008 *retlen = len; 1014 ops->retlen = len;
1009 /* Reading the full OOB data drops us off of the end of the page, 1015 /* Reading the full OOB data drops us off of the end of the page,
1010 * causing the flash device to go into busy mode, so we need 1016 * causing the flash device to go into busy mode, so we need
1011 * to wait until ready 11.4.1 and Toshiba TC58256FT docs */ 1017 * to wait until ready 11.4.1 and Toshiba TC58256FT docs */
@@ -1120,17 +1126,20 @@ static int doc_write_oob_nolock(struct mtd_info *mtd, loff_t ofs, size_t len,
1120 1126
1121} 1127}
1122 1128
1123static int doc_write_oob(struct mtd_info *mtd, loff_t ofs, size_t len, 1129static int doc_write_oob(struct mtd_info *mtd, loff_t ofs,
1124 size_t * retlen, const u_char * buf) 1130 struct mtd_oob_ops *ops)
1125{ 1131{
1126 struct DiskOnChip *this = mtd->priv; 1132 struct DiskOnChip *this = mtd->priv;
1127 int ret; 1133 int ret;
1128 1134
1129 mutex_lock(&this->lock); 1135 BUG_ON(ops->mode != MTD_OOB_PLACE);
1130 ret = doc_write_oob_nolock(mtd, ofs, len, retlen, buf); 1136
1137 mutex_lock(&this->lock);
1138 ret = doc_write_oob_nolock(mtd, ofs + ops->ooboffs, ops->len,
1139 &ops->retlen, ops->oobbuf);
1131 1140
1132 mutex_unlock(&this->lock); 1141 mutex_unlock(&this->lock);
1133 return ret; 1142 return ret;
1134} 1143}
1135 1144
1136static int doc_erase(struct mtd_info *mtd, struct erase_info *instr) 1145static int doc_erase(struct mtd_info *mtd, struct erase_info *instr)