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mtd: nand: add initialization flag

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Add initialization flag to avoid initializing NAND Flash multiple
times, otherwise it will calculate a wrong total size.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
This commit is contained in:
Hou Zhiqiang 2017-03-17 16:12:30 +08:00 committed by York Sun
parent 132a1468dc
commit d72158c045
1 changed files with 10 additions and 0 deletions
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10
drivers/mtd/nand/nand.c
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@ -133,6 +133,16 @@ static void create_mtd_concat(void)
void nand_init(void)
{
static int initialized;
/*
* Avoid initializing NAND Flash multiple times,
* otherwise it will calculate a wrong total size.
*/
if (initialized)
return;
initialized = 1;
#ifdef CONFIG_SYS_NAND_SELF_INIT
board_nand_init();
#else