Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...

[mv-sheeva.git] / include / linux / mtd / mtd.h

diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 62d56f933b87a8c047d20db5bab9b25e8232a666..9f5b312af7838d5275ff9611030da3861ec2d612 100644 (file)
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -21,7 +21,6 @@
 #define __MTD_MTD_H__
 
 #include <linux/types.h>
-#include <linux/module.h>
 #include <linux/uio.h>
 #include <linux/notifier.h>
 #include <linux/device.h>
@@ -33,17 +32,19 @@
 #define MTD_CHAR_MAJOR 90
 #define MTD_BLOCK_MAJOR 31
 
-#define MTD_ERASE_PENDING              0x01
+#define MTD_ERASE_PENDING      0x01
 #define MTD_ERASING            0x02
 #define MTD_ERASE_SUSPEND      0x04
-#define MTD_ERASE_DONE          0x08
-#define MTD_ERASE_FAILED        0x10
+#define MTD_ERASE_DONE         0x08
+#define MTD_ERASE_FAILED       0x10
 
 #define MTD_FAIL_ADDR_UNKNOWN -1LL
 
-/* If the erase fails, fail_addr might indicate exactly which block failed.  If
-   fail_addr = MTD_FAIL_ADDR_UNKNOWN, the failure was not at the device level or was not
-   specific to any particular block. */
+/*
+ * If the erase fails, fail_addr might indicate exactly which block failed. If
+ * fail_addr = MTD_FAIL_ADDR_UNKNOWN, the failure was not at the device level
+ * or was not specific to any particular block.
+ */
 struct erase_info {
        struct mtd_info *mtd;
        uint64_t addr;
@@ -60,26 +61,12 @@ struct erase_info {
 };
 
 struct mtd_erase_region_info {
-       uint64_t offset;                        /* At which this region starts, from the beginning of the MTD */
+       uint64_t offset;                /* At which this region starts, from the beginning of the MTD */
        uint32_t erasesize;             /* For this region */
        uint32_t numblocks;             /* Number of blocks of erasesize in this region */
        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
@@ -91,7 +78,7 @@ typedef enum {
  * @ooblen:    number of oob bytes to write/read
  * @oobretlen: number of oob bytes written/read
  * @ooboffs:   offset of oob data in the oob area (only relevant when
- *             mode = MTD_OOB_PLACE)
+ *             mode = MTD_OPS_PLACE_OOB or MTD_OPS_RAW)
  * @datbuf:    data buffer - if NULL only oob data are read/written
  * @oobbuf:    oob data buffer
  *
@@ -100,7 +87,7 @@ 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;
@@ -125,6 +112,8 @@ struct nand_ecclayout {
        struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES_LARGE];
 };
 
+struct module; /* only needed for owner field in mtd_info */
+
 struct mtd_info {
        u_char type;
        uint32_t flags;
@@ -360,27 +349,16 @@ void *mtd_kmalloc_up_to(const struct mtd_info *mtd, size_t *size);
 
 void mtd_erase_callback(struct erase_info *instr);
 
-/*
- * Debugging macro and defines
- */
-#define MTD_DEBUG_LEVEL0       (0)     /* Quiet   */
-#define MTD_DEBUG_LEVEL1       (1)     /* Audible */
-#define MTD_DEBUG_LEVEL2       (2)     /* Loud    */
-#define MTD_DEBUG_LEVEL3       (3)     /* Noisy   */
-
-#ifdef CONFIG_MTD_DEBUG
-#define DEBUG(n, args...)                              \
-       do {                                            \
-               if (n <= CONFIG_MTD_DEBUG_VERBOSE)      \
-                       printk(KERN_INFO args);         \
-       } while(0)
-#else /* CONFIG_MTD_DEBUG */
-#define DEBUG(n, args...)                              \
-       do {                                            \
-               if (0)                                  \
-                       printk(KERN_INFO args);         \
-       } while(0)
-
-#endif /* CONFIG_MTD_DEBUG */
+static inline int mtd_is_bitflip(int err) {
+       return err == -EUCLEAN;
+}
+
+static inline int mtd_is_eccerr(int err) {
+       return err == -EBADMSG;
+}
+
+static inline int mtd_is_bitflip_or_eccerr(int err) {
+       return mtd_is_bitflip(err) || mtd_is_eccerr(err);
+}
 
 #endif /* __MTD_MTD_H__ */