diff options
Diffstat (limited to 'common/cmd_nand.c')
| -rw-r--r-- | common/cmd_nand.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/common/cmd_nand.c b/common/cmd_nand.c index 60cdd8e..0e49e9f 100644 --- a/common/cmd_nand.c +++ b/common/cmd_nand.c @@ -38,7 +38,7 @@ struct nand_oob_config { int eccvalid_pos; /* position of ECC valid flag inside oob -1 = inactive */ } oob_config = { {0}, 0, 0}; -#define NAND_DEBUG +#undef NAND_DEBUG #undef PSYCHO_DEBUG /* ****************** WARNING ********************* @@ -734,7 +734,9 @@ static void NanD_ScanChips(struct nand_chip *nand) /* If there are none at all that we recognise, bail */ if (!nand->numchips) { +#ifdef NAND_DEBUG puts ("No NAND flash chips recognised.\n"); +#endif return; } @@ -1408,7 +1410,7 @@ static inline int nandcheck(unsigned long potential, unsigned long physadr) return 0; } -void nand_probe(unsigned long physadr) +unsigned long nand_probe(unsigned long physadr) { struct nand_chip *nand = NULL; int i = 0, ChipID = 1; @@ -1434,10 +1436,12 @@ void nand_probe(unsigned long physadr) for (i=0; i<CFG_MAX_NAND_DEVICE; i++) { if (nand_dev_desc[i].ChipID == NAND_ChipID_UNKNOWN) { - nand = nand_dev_desc + i; + nand = &nand_dev_desc[i]; break; } } + if (!nand) + return (0); memset((char *)nand, 0, sizeof(struct nand_chip)); @@ -1449,7 +1453,7 @@ void nand_probe(unsigned long physadr) /* no chips found, clean up and quit */ memset((char *)nand, 0, sizeof(struct nand_chip)); nand->ChipID = NAND_ChipID_UNKNOWN; - return; + return (0); } nand->ChipID = ChipID; @@ -1459,8 +1463,10 @@ void nand_probe(unsigned long physadr) nand->data_buf = malloc (nand->oobblock + nand->oobsize); if (!nand->data_buf) { puts ("Cannot allocate memory for data structures.\n"); - return; + return (0); } + + return (nand->totlen); } #ifdef CONFIG_MTD_NAND_ECC |