mtd: move mtd_oob_mode_t to shared kernel/user space

We will want to use the MTD_OOB_{PLACE,AUTO,RAW} modes in user-space
applications through the introduction of new ioctls, so we should make
this enum a shared type.

This enum is now anonymous.

Artem: tweaked the patch.
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@intel.com>

drivers/mtd/onenand/onenand_base.c

@@ -1351,7 +1351,7 @@ static int onenand_read_oob_nolock(struct mtd_info *mtd, loff_t from,
 	struct mtd_ecc_stats stats;
 	int read = 0, thislen, column, oobsize;
 	size_t len = ops->ooblen;
-	mtd_oob_mode_t mode = ops->mode;
+	unsigned int mode = ops->mode;
 	u_char *buf = ops->oobbuf;
 	int ret = 0, readcmd;
 
@@ -2074,7 +2074,7 @@ static int onenand_write_oob_nolock(struct mtd_info *mtd, loff_t to,
 	u_char *oobbuf;
 	size_t len = ops->ooblen;
 	const u_char *buf = ops->oobbuf;
-	mtd_oob_mode_t mode = ops->mode;
+	unsigned int mode = ops->mode;
 
 	to += ops->ooboffs;
 

include/linux/mtd/mtd.h

@@ -68,20 +68,6 @@ struct mtd_erase_region_info {
 	unsigned long *lockmap;		/* If keeping bitmap of locks */
 };
 
-/*
- * oob operation modes
- *
- * MTD_OOB_PLACE:	oob data are placed at the given offset
- * MTD_OOB_AUTO:	oob data are automatically placed at the free areas
- *			which are defined by the ecclayout
- * MTD_OOB_RAW:		mode to read oob and data without doing ECC checking
- */
-typedef enum {
-	MTD_OOB_PLACE,
-	MTD_OOB_AUTO,
-	MTD_OOB_RAW,
-} mtd_oob_mode_t;
-
 /**
  * struct mtd_oob_ops - oob operation operands
  * @mode:	operation mode
@@ -102,7 +88,7 @@ typedef enum {
  * OOB area.
  */
 struct mtd_oob_ops {
-	mtd_oob_mode_t	mode;
+	unsigned int	mode;
 	size_t		len;
 	size_t		retlen;
 	size_t		ooblen;

include/mtd/mtd-abi.h

@@ -45,6 +45,21 @@ struct mtd_oob_buf64 {
 	__u64 usr_ptr;
 };
 
+/*
+ * oob operation modes
+ *
+ * MTD_OOB_PLACE:       oob data are placed at the given offset (default)
+ * MTD_OOB_AUTO:        oob data are automatically placed at the free areas
+ *                      which are defined by the internal ecclayout
+ * MTD_OOB_RAW:         mode to read or write oob and data without doing ECC
+ *			checking
+ */
+enum {
+	MTD_OOB_PLACE = 0,
+	MTD_OOB_AUTO = 1,
+	MTD_OOB_RAW = 2,
+};
+
 #define MTD_ABSENT		0
 #define MTD_RAM			1
 #define MTD_ROM			2