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authorIngo Molnar <mingo@elte.hu>2009-03-01 12:47:58 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-01 12:47:58 +0100
commit55f2b78995826d549401bdf20abeac1832636bb6 (patch)
tree931b31f3b6e0879df0f9a1d58ffd040d9a652f2e /drivers/mtd/chips/map_rom.c
parentf5c1aa1537be39d8b9bb5279b5881d81898fd3cd (diff)
parent92b9af9e4f144535c65aee673cfad309f25fa465 (diff)
Merge branch 'x86/urgent' into x86/pat
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);