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authorPaul Mundt <lethal@linux-sh.org>2009-03-10 15:17:26 +0900
committerPaul Mundt <lethal@linux-sh.org>2009-03-10 15:17:26 +0900
commite161183ba674f97fce748384f5bb037d07bdc5c9 (patch)
tree5b3bd4b995f6435ee977b71082244fa1a647f717 /drivers/mtd/chips/map_rom.c
parent2ef7f0dab6b3d171b6aff00a47077385ae3155b5 (diff)
parent99adcd9d67aaf04e28f5ae96df280f236bde4b66 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/mtd/chips/map_rom.c')
-rw-r--r--drivers/mtd/chips/map_rom.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/mtd/chips/map_rom.c b/drivers/mtd/chips/map_rom.c
index 821d0ed6bae3..c76d6e5f47ee 100644
--- a/drivers/mtd/chips/map_rom.c
+++ b/drivers/mtd/chips/map_rom.c
@@ -19,6 +19,7 @@ static int maprom_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
static int maprom_write (struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
static void maprom_nop (struct mtd_info *);
static struct mtd_info *map_rom_probe(struct map_info *map);
+static int maprom_erase (struct mtd_info *mtd, struct erase_info *info);
static struct mtd_chip_driver maprom_chipdrv = {
.probe = map_rom_probe,
@@ -42,6 +43,7 @@ static struct mtd_info *map_rom_probe(struct map_info *map)
mtd->read = maprom_read;
mtd->write = maprom_write;
mtd->sync = maprom_nop;
+ mtd->erase = maprom_erase;
mtd->flags = MTD_CAP_ROM;
mtd->erasesize = map->size;
mtd->writesize = 1;
@@ -71,6 +73,12 @@ static int maprom_write (struct mtd_info *mtd, loff_t to, size_t len, size_t *re
return -EIO;
}
+static int maprom_erase (struct mtd_info *mtd, struct erase_info *info)
+{
+ /* We do our best 8) */
+ return -EROFS;
+}
+
static int __init map_rom_init(void)
{
register_mtd_chip_driver(&maprom_chipdrv);