浏览代码

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>
Kyungmin Park 17 年之前
父节点
当前提交
77e475cc0e
共有 1 个文件被更改,包括 13 次插入0 次删除
  1. 13 0
      drivers/mtd/onenand/onenand_base.c

+ 13 - 0
drivers/mtd/onenand/onenand_base.c

@@ -20,6 +20,19 @@
 #include <asm/io.h>
 #include <asm/io.h>
 #include <asm/errno.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[] = {
 static const unsigned char ffchars[] = {
 	0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
 	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,	/* 16 */