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Fix the NAND size overflow issue.

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When the total size of all NAND devices exceeds 4 GiB, the size  will
overflow. This patch tries to fix this.

Note that we still have a problem when a single NAND device is bigger
than 4 GiB: then the overflow would actually happen earlier, i. e.
when storing the size in nand_info[].size, as nand_info[].size is an
"u_int32_t".

Signed-off-by: Jason Jin <Jason.jin@freescale.com>
Signed-off-by: Wolfgang Denk <wd@denx.de>
This commit is contained in:
Jason Jin 2008-09-19 17:32:49 +08:00 committed by Wolfgang Denk
parent 65d4a75fa0
commit fecb5ade3b
1 changed files with 2 additions and 2 deletions
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4
drivers/mtd/nand/nand.c
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@ -63,11 +63,11 @@ void nand_init(void)
unsigned int size = 0;
for (i = 0; i < CFG_MAX_NAND_DEVICE; i++) {
nand_init_chip(&nand_info[i], &nand_chip[i], base_address[i]);
size += nand_info[i].size;
size += nand_info[i].size / 1024;
if (nand_curr_device == -1)
nand_curr_device = i;
}
printf("%u MiB\n", size / (1024 * 1024));
printf("%u MiB\n", size / 1024);
#ifdef CFG_NAND_SELECT_DEVICE
/*