UBI: remove built-in gluebi

Remove built-in gluebi support. This is a preparation for a
standalone glubi module support

Signed-off-by: Dmitry Pervushin <dpervushin@embeddedalley.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

3 files changed, 2 insertions, 51 deletions

diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index 631983615f11..f237ddbb2713 100644
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -395,7 +395,6 @@ static ssize_t vol_cdev_write(struct file *file, const char __user *buf,
                         vol->corrupted = 1;
                 }
                 vol->checked = 1;
-                ubi_gluebi_updated(vol);
                 ubi_volume_notify(ubi, vol, UBI_VOLUME_UPDATED);
                 revoke_exclusive(desc, UBI_READWRITE);
         }
diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h
index 86e1a4e0ab01..82da62bde413 100644
--- a/drivers/mtd/ubi/ubi.h
+++ b/drivers/mtd/ubi/ubi.h
@@ -231,10 +231,6 @@ struct ubi_volume_desc;
  * @changing_leb: %1 if the atomic LEB change ioctl command is in progress
  * @direct_writes: %1 if direct writes are enabled for this volume
  *
- * @gluebi_desc: gluebi UBI volume descriptor
- * @gluebi_refcount: reference count of the gluebi MTD device
- * @gluebi_mtd: MTD device description object of the gluebi MTD device
- *
  * The @corrupted field indicates that the volume's contents is corrupted.
  * Since UBI protects only static volumes, this field is not relevant to
  * dynamic volumes - it is user's responsibility to assure their data
@@ -278,17 +274,6 @@ struct ubi_volume {
         unsigned int updating:1;
         unsigned int changing_leb:1;
         unsigned int direct_writes:1;
-
-#ifdef CONFIG_MTD_UBI_GLUEBI
-        /*
-         * Gluebi-related stuff may be compiled out.
-         * Note: this should not be built into UBI but should be a separate
-         * ubimtd driver which works on top of UBI and emulates MTD devices.
-         */
-        struct ubi_volume_desc *gluebi_desc;
-        int gluebi_refcount;
-        struct mtd_info gluebi_mtd;
-#endif
 };
 
 /**
@@ -517,17 +502,6 @@ int ubi_calc_data_len(const struct ubi_device *ubi, const void *buf,
 int ubi_check_volume(struct ubi_device *ubi, int vol_id);
 void ubi_calculate_reserved(struct ubi_device *ubi);
 
-/* gluebi.c */
-#ifdef CONFIG_MTD_UBI_GLUEBI
-int ubi_create_gluebi(struct ubi_device *ubi, struct ubi_volume *vol);
-int ubi_destroy_gluebi(struct ubi_volume *vol);
-void ubi_gluebi_updated(struct ubi_volume *vol);
-#else
-#define ubi_create_gluebi(ubi, vol) 0
-#define ubi_destroy_gluebi(vol) 0
-#define ubi_gluebi_updated(vol)
-#endif
-
 /* eba.c */
 int ubi_eba_unmap_leb(struct ubi_device *ubi, struct ubi_volume *vol,
                       int lnum);
diff --git a/drivers/mtd/ubi/vmt.c b/drivers/mtd/ubi/vmt.c
index e151862a3a98..ab64cb56df6e 100644
--- a/drivers/mtd/ubi/vmt.c
+++ b/drivers/mtd/ubi/vmt.c
@@ -317,10 +317,6 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req)
                 goto out_mapping;
         }
 
-        err = ubi_create_gluebi(ubi, vol);
-        if (err)
-                goto out_cdev;
-
         vol->dev.release = vol_release;
         vol->dev.parent = &ubi->dev;
         vol->dev.devt = dev;
@@ -330,7 +326,7 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req)
         err = device_register(&vol->dev);
         if (err) {
                 ubi_err("cannot register device");
-                goto out_gluebi;
+                goto out_cdev;
         }
 
         err = volume_sysfs_init(ubi, vol);
@@ -375,10 +371,6 @@ out_sysfs:
         do_free = 0;
         get_device(&vol->dev);
         volume_sysfs_close(vol);
-out_gluebi:
-        if (ubi_destroy_gluebi(vol))
-                dbg_err("cannot destroy gluebi for volume %d:%d",
-                        ubi->ubi_num, vol_id);
 out_cdev:
         cdev_del(&vol->cdev);
 out_mapping:
@@ -433,10 +425,6 @@ int ubi_remove_volume(struct ubi_volume_desc *desc, int no_vtbl)
         ubi->volumes[vol_id] = NULL;
         spin_unlock(&ubi->volumes_lock);
 
-        err = ubi_destroy_gluebi(vol);
-        if (err)
-                goto out_err;
-
         if (!no_vtbl) {
                 err = ubi_change_vtbl_record(ubi, vol_id, NULL);
                 if (err)
@@ -674,10 +662,6 @@ int ubi_add_volume(struct ubi_device *ubi, struct ubi_volume *vol)
                 return err;
         }
 
-        err = ubi_create_gluebi(ubi, vol);
-        if (err)
-                goto out_cdev;
-
         vol->dev.release = vol_release;
         vol->dev.parent = &ubi->dev;
         vol->dev.devt = dev;
@@ -685,12 +669,11 @@ int ubi_add_volume(struct ubi_device *ubi, struct ubi_volume *vol)
         dev_set_name(&vol->dev, "%s_%d", ubi->ubi_name, vol->vol_id);
         err = device_register(&vol->dev);
         if (err)
-                goto out_gluebi;
+                goto out_cdev;
 
         err = volume_sysfs_init(ubi, vol);
         if (err) {
                 cdev_del(&vol->cdev);
-                err = ubi_destroy_gluebi(vol);
                 volume_sysfs_close(vol);
                 return err;
         }
@@ -699,8 +682,6 @@ int ubi_add_volume(struct ubi_device *ubi, struct ubi_volume *vol)
                 dbg_err("check failed while adding volume %d", vol_id);
         return err;
 
-out_gluebi:
-        err = ubi_destroy_gluebi(vol);
 out_cdev:
         cdev_del(&vol->cdev);
         return err;
@@ -716,12 +697,9 @@ out_cdev:
  */
 void ubi_free_volume(struct ubi_device *ubi, struct ubi_volume *vol)
 {
-        int err;
-
         dbg_gen("free volume %d", vol->vol_id);
 
         ubi->volumes[vol->vol_id] = NULL;
-        err = ubi_destroy_gluebi(vol);
         cdev_del(&vol->cdev);
         volume_sysfs_close(vol);
 }