[MTD] OneNAND: Reduce internal BufferRAM operations

It use blockpage instead of a pair (block, page). It can also cover a small chunk access. 0x00, 0x20, 0x40 and so on.

And in JFFS2 behavior, sometimes it reads two pages alternatively.
e.g., It first reads A page, B page and A page.
So we check another bufferram to find requested page.

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

1 files changed, 2 insertions, 6 deletions

diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index a5e6c4bf7af3..d8af8a95e58d 100644
--- a/include/linux/mtd/onenand.h
+++ b/include/linux/mtd/onenand.h
@@ -42,14 +42,10 @@ typedef enum {
 
 /**
  * struct onenand_bufferram - OneNAND BufferRAM Data
- * @block:              block address in BufferRAM
- * @page:               page address in BufferRAM
- * @valid:              valid flag
+ * @blockpage:          block & page address in BufferRAM
  */
 struct onenand_bufferram {
-        int block;
-        int page;
-        int valid;
+        int     blockpage;
 };
 
 /**