diff options
Diffstat (limited to 'drivers/mtd/ubi/scan.c')
| -rw-r--r-- | drivers/mtd/ubi/scan.c | 52 |
1 files changed, 50 insertions, 2 deletions
diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c index 93257f3c25d..aecd8cfa3f4 100644 --- a/drivers/mtd/ubi/scan.c +++ b/drivers/mtd/ubi/scan.c @@ -1107,14 +1107,14 @@ static int late_analysis(struct ubi_device *ubi, struct ubi_attach_info *ai) } /** - * ubi_scan - scan an MTD device. + * scan_all - scan entire MTD device. * @ubi: UBI device description object * * This function does full scanning of an MTD device and returns complete * information about it in form of a "struct ubi_attach_info" object. In case * of failure, an error code is returned. */ -struct ubi_attach_info *ubi_scan(struct ubi_device *ubi) +static struct ubi_attach_info *scan_all(struct ubi_device *ubi) { int err, pnum; struct rb_node *rb1, *rb2; @@ -1208,6 +1208,54 @@ out_ai: } /** + * ubi_attach - attach an MTD device. + * @ubi: UBI device descriptor + * + * This function returns zero in case of success and a negative error code in + * case of failure. + */ +int ubi_attach(struct ubi_device *ubi) +{ + int err; + struct ubi_attach_info *ai; + + ai = scan_all(ubi); + if (IS_ERR(ai)) + return PTR_ERR(ai); + + ubi->bad_peb_count = ai->bad_peb_count; + ubi->good_peb_count = ubi->peb_count - ubi->bad_peb_count; + ubi->corr_peb_count = ai->corr_peb_count; + ubi->max_ec = ai->max_ec; + ubi->mean_ec = ai->mean_ec; + ubi_msg("max. sequence number: %llu", ai->max_sqnum); + + err = ubi_read_volume_table(ubi, ai); + if (err) + goto out_ai; + + err = ubi_wl_init(ubi, ai); + if (err) + goto out_vtbl; + + err = ubi_eba_init(ubi, ai); + if (err) + goto out_wl; + + ubi_destroy_ai(ai); + return 0; + +out_wl: + ubi_wl_close(ubi); +out_vtbl: + ubi_free_internal_volumes(ubi); + vfree(ubi->vtbl); +out_ai: + ubi_destroy_ai(ai); + return err; +} + +/** * destroy_av - free volume attaching information. * @av: volume attaching information * @ai: attaching information |