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-rw-r--r--drivers/mtd/onenand/onenand_base.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 979e4af..e33e8d3 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -91,7 +91,13 @@ static struct nand_ecclayout onenand_oob_32 = {
.oobfree = { {2, 3}, {14, 2}, {18, 3}, {30, 2} }
};
-static const unsigned char ffchars[] = {
+/*
+ * Warning! This array is used with the memcpy_16() function, thus
+ * it must be aligned to 2 bytes. GCC can make this array unaligned
+ * as the array is made of unsigned char, which memcpy16() doesn't
+ * like and will cause unaligned access.
+ */
+static const unsigned char __aligned(2) ffchars[] = {
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 16 */
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,