diff options
Diffstat (limited to 'drivers/mtd/maps/physmap-core.c')
| -rw-r--r-- | drivers/mtd/maps/physmap-core.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/mtd/maps/physmap-core.c b/drivers/mtd/maps/physmap-core.c index 21b556afc305..fa7e1c0b70c6 100644 --- a/drivers/mtd/maps/physmap-core.c +++ b/drivers/mtd/maps/physmap-core.c @@ -505,7 +505,7 @@ static int physmap_flash_probe(struct platform_device *dev) if (!info->maps[i].phys) info->maps[i].phys = res->start; - info->win_order = get_bitmask_order(resource_size(res)) - 1; + info->win_order = fls64(resource_size(res)) - 1; info->maps[i].size = BIT(info->win_order + (info->gpios ? info->gpios->ndescs : 0)); @@ -533,6 +533,17 @@ static int physmap_flash_probe(struct platform_device *dev) if (info->probe_type) { info->mtds[i] = do_map_probe(info->probe_type, &info->maps[i]); + + /* Fall back to mapping region as ROM */ + if (!info->mtds[i] && IS_ENABLED(CONFIG_MTD_ROM) && + strcmp(info->probe_type, "map_rom")) { + dev_warn(&dev->dev, + "map_probe() failed for type %s\n", + info->probe_type); + + info->mtds[i] = do_map_probe("map_rom", + &info->maps[i]); + } } else { int j; |