Remove unchecked MTD flags

Several flags are set by some devices, but never checked.  Remove them.
Signed-off-by: NJörn Engel <joern@wohnheim.fh-wedel.de>
Signed-off-by: NDavid Woodhouse <dwmw2@infradead.org>

drivers/mtd/chips/map_ram.c

@@ -70,7 +70,7 @@ static struct mtd_info *map_ram_probe(struct map_info *map)
 	mtd->read = mapram_read;
 	mtd->write = mapram_write;
 	mtd->sync = mapram_nop;
-	mtd->flags = MTD_CAP_RAM | MTD_VOLATILE;
+	mtd->flags = MTD_CAP_RAM;
 
 	mtd->erasesize = PAGE_SIZE;
  	while(mtd->size & (mtd->erasesize - 1))

drivers/mtd/devices/phram.c

@@ -142,7 +142,7 @@ static int register_device(char *name, unsigned long start, unsigned long len)
 
 	new->mtd.name = name;
 	new->mtd.size = len;
-	new->mtd.flags = MTD_CAP_RAM | MTD_ERASEABLE | MTD_VOLATILE;
+	new->mtd.flags = MTD_CAP_RAM;
         new->mtd.erase = phram_erase;
 	new->mtd.point = phram_point;
 	new->mtd.unpoint = phram_unpoint;

drivers/mtd/devices/slram.c

@@ -200,8 +200,7 @@ static int register_device(char *name, unsigned long start, unsigned long length
 
 	(*curmtd)->mtdinfo->name = name;
 	(*curmtd)->mtdinfo->size = length;
-	(*curmtd)->mtdinfo->flags = MTD_CLEAR_BITS | MTD_SET_BITS |
-					MTD_WRITEB_WRITEABLE | MTD_VOLATILE | MTD_CAP_RAM;
+	(*curmtd)->mtdinfo->flags = MTD_CAP_RAM;
         (*curmtd)->mtdinfo->erase = slram_erase;
 	(*curmtd)->mtdinfo->point = slram_point;
 	(*curmtd)->mtdinfo->unpoint = slram_unpoint;

include/mtd/mtd-abi.h

@@ -35,20 +35,14 @@ struct mtd_oob_buf {
 
 #define MTD_CLEAR_BITS		1       // Bits can be cleared (flash)
 #define MTD_SET_BITS		2       // Bits can be set
-#define MTD_ERASEABLE		4       // Has an erase function
-#define MTD_WRITEB_WRITEABLE	8       // Direct IO is possible
-#define MTD_VOLATILE		16      // Set for RAMs
-#define MTD_XIP			32	// eXecute-In-Place possible
-#define MTD_OOB			64	// Out-of-band data (NAND flash)
 #define MTD_ECC			128	// Device capable of automatic ECC
-#define MTD_NO_VIRTBLOCKS	256	// Virtual blocks not allowed
 #define MTD_PROGRAM_REGIONS	512	// Configurable Programming Regions
 
 // Some common devices / combinations of capabilities
 #define MTD_CAP_ROM		0
-#define MTD_CAP_RAM		(MTD_CLEAR_BITS|MTD_SET_BITS|MTD_WRITEB_WRITEABLE)
-#define MTD_CAP_NORFLASH        (MTD_CLEAR_BITS|MTD_ERASEABLE)
-#define MTD_CAP_NANDFLASH       (MTD_CLEAR_BITS|MTD_ERASEABLE|MTD_OOB)
+#define MTD_CAP_RAM		(MTD_CLEAR_BITS|MTD_SET_BITS)
+#define MTD_CAP_NORFLASH	(MTD_CLEAR_BITS)
+#define MTD_CAP_NANDFLASH	(MTD_CLEAR_BITS)
 #define MTD_WRITEABLE		(MTD_CLEAR_BITS|MTD_SET_BITS)