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Remove unchecked MTD flags 

Several flags are set by some devices, but never checked.  Remove them.

Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
Jörn Engel 2006-04-13 18:54:34 +02:00 committed by David Woodhouse
parent af63a3bcac
commit a6c591eda3
4 changed files with 6 additions and 13 deletions
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2
drivers/mtd/chips/map_ram.c
View File

@ -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))

2
drivers/mtd/devices/phram.c
View File

@ -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;

3
drivers/mtd/devices/slram.c
View File

@ -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;

12
include/mtd/mtd-abi.h
View File

@ -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)