diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/nand/nand.c | 21 | ||||
| -rw-r--r-- | drivers/mtd/nand/omap_gpmc.c | 7 |
2 files changed, 17 insertions, 11 deletions
diff --git a/drivers/mtd/nand/nand.c b/drivers/mtd/nand/nand.c index 168bac6..fd9a3be 100644 --- a/drivers/mtd/nand/nand.c +++ b/drivers/mtd/nand/nand.c @@ -19,7 +19,6 @@ DECLARE_GLOBAL_DATA_PTR; int nand_curr_device = -1; - struct mtd_info *nand_info[CONFIG_SYS_MAX_NAND_DEVICE]; #ifndef CONFIG_SYS_NAND_SELF_INIT @@ -31,12 +30,21 @@ static char dev_name[CONFIG_SYS_MAX_NAND_DEVICE][8]; static unsigned long total_nand_size; /* in kiB */ +struct mtd_info *get_nand_dev_by_index(int dev) +{ + if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE || !nand_info[dev] || + !nand_info[dev]->name) + return NULL; + + return nand_info[dev]; +} + int nand_mtd_to_devnum(struct mtd_info *mtd) { int i; - for (i = 0; i < ARRAY_SIZE(nand_info); i++) { - if (mtd && nand_info[i] == mtd) + for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) { + if (mtd && get_nand_dev_by_index(i) == mtd) return i; } @@ -101,8 +109,9 @@ static void create_mtd_concat(void) int i; for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) { - if (nand_info[i] != NULL) { - nand_info_list[nand_devices_found] = nand_info[i]; + struct mtd_info *mtd = get_nand_dev_by_index(i); + if (mtd != NULL) { + nand_info_list[nand_devices_found] = mtd; nand_devices_found++; } } @@ -161,7 +170,7 @@ void nand_init(void) /* * Select the chip in the board/cpu specific driver */ - board_nand_select_device(mtd_to_nand(nand_info[nand_curr_device]), + board_nand_select_device(mtd_to_nand(get_nand_dev_by_index(nand_curr_device)), nand_curr_device); #endif diff --git a/drivers/mtd/nand/omap_gpmc.c b/drivers/mtd/nand/omap_gpmc.c index f4f0de3..b540bc3 100644 --- a/drivers/mtd/nand/omap_gpmc.c +++ b/drivers/mtd/nand/omap_gpmc.c @@ -894,17 +894,14 @@ static int omap_select_ecc_scheme(struct nand_chip *nand, int __maybe_unused omap_nand_switch_ecc(uint32_t hardware, uint32_t eccstrength) { struct nand_chip *nand; - struct mtd_info *mtd; + struct mtd_info *mtd = get_nand_dev_by_index(nand_curr_device); int err = 0; - if (nand_curr_device < 0 || - nand_curr_device >= CONFIG_SYS_MAX_NAND_DEVICE || - !nand_info[nand_curr_device]) { + if (!mtd) { printf("nand: error: no NAND devices found\n"); return -ENODEV; } - mtd = nand_info[nand_curr_device]; nand = mtd_to_nand(mtd); nand->options |= NAND_OWN_BUFFERS; nand->options &= ~NAND_SUBPAGE_READ; |