Fix OneNAND read

It should access with 16-bit instead of 8-bit

Now it uses the generic memcpy with 8-bit access. It means it reads wrong data from OneNAND.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 3b828fb62729034c8f6f5de06ed146dc1f487224..174384eab98d03131d150ce027e481189736b0ee 100644 (file)
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -20,6 +20,19 @@
 #include <asm/io.h>
 #include <asm/errno.h>
 
+/* It should access 16-bit instead of 8-bit */
+static inline void *memcpy(void *dst, const void *src, unsigned int len)
+{
+       void *ret = dst;
+       short *d = dst;
+       const short *s = src;
+
+       len >>= 1;
+       while (len-- > 0)
+               *d++ = *s++;
+       return ret;
+}
+
 static const unsigned char ffchars[] = {
        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
        0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* 16 */