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authorHou Zhiqiang <Zhiqiang.Hou@nxp.com>2017-03-17 08:12:30 (GMT)
committerYork Sun <york.sun@nxp.com>2017-03-28 17:38:37 (GMT)
commitd72158c045eacf5022b052bdc56a32bc98c89034 (patch)
treefc211bb1bae84d84a9ecb5482d625152ec57ac34 /drivers/mtd
parent132a1468dcc0bb79553bf2e219014cc8c527c8e6 (diff)
downloadu-boot-fsl-qoriq-d72158c045eacf5022b052bdc56a32bc98c89034.tar.xz
mtd: nand: add initialization flag
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>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/nand/nand.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/mtd/nand/nand.c b/drivers/mtd/nand/nand.c
index 0551241..3ea2dcf 100644
--- a/drivers/mtd/nand/nand.c
+++ b/drivers/mtd/nand/nand.c
@@ -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