luck/tmp_suning_uos_patched
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UBI: remove redundant field

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Remove redundant ubi->major field - we have it in ubi->cdev.dev
already.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Artem Bityutskiy 2007-12-15 18:13:56 +02:00
parent 732aeacff6
commit 49dfc29928
5 changed files with 16 additions and 16 deletions
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12
drivers/mtd/ubi/build.c
View File

@ -150,7 +150,7 @@ static int ubi_sysfs_init(struct ubi_device *ubi)
int err;
ubi->dev.release = dev_release;
ubi->dev.devt = MKDEV(ubi->major, 0);
ubi->dev.devt = ubi->cdev.dev;
ubi->dev.class = ubi_class;
sprintf(&ubi->dev.bus_id[0], UBI_NAME_STR"%d", ubi->ubi_num);
err = device_register(&ubi->dev);
@ -278,12 +278,11 @@ static int uif_init(struct ubi_device *ubi)
return err;
}
ubi_assert(MINOR(dev) == 0);
cdev_init(&ubi->cdev, &ubi_cdev_operations);
ubi->major = MAJOR(dev);
dbg_msg("%s major is %u", ubi->ubi_name, ubi->major);
dbg_msg("%s major is %u", ubi->ubi_name, MAJOR(dev));
ubi->cdev.owner = THIS_MODULE;
dev = MKDEV(ubi->major, 0);
err = cdev_add(&ubi->cdev, dev, 1);
if (err) {
ubi_err("cannot add character device %s", ubi->ubi_name);
@ -309,8 +308,7 @@ static int uif_init(struct ubi_device *ubi)
out_cdev:
cdev_del(&ubi->cdev);
out_unreg:
unregister_chrdev_region(MKDEV(ubi->major, 0),
ubi->vtbl_slots + 1);
unregister_chrdev_region(ubi->cdev.dev, ubi->vtbl_slots + 1);
return err;
}
@ -323,7 +321,7 @@ static void uif_close(struct ubi_device *ubi)
kill_volumes(ubi);
ubi_sysfs_close(ubi);
cdev_del(&ubi->cdev);
unregister_chrdev_region(MKDEV(ubi->major, 0), ubi->vtbl_slots + 1);
unregister_chrdev_region(ubi->cdev.dev, ubi->vtbl_slots + 1);
}
/**

2
drivers/mtd/ubi/cdev.c
View File

@ -61,7 +61,7 @@ static struct ubi_device *major_to_device(int major)
int i;
for (i = 0; i < ubi_devices_cnt; i++)
if (ubi_devices[i] && ubi_devices[i]->major == major)
if (ubi_devices[i] && MAJOR(ubi_devices[i]->cdev.dev) == major)
return ubi_devices[i];
BUG();
return NULL;

4
drivers/mtd/ubi/kapi.c
View File

@ -46,7 +46,7 @@ int ubi_get_device_info(int ubi_num, struct ubi_device_info *di)
di->leb_size = ubi->leb_size;
di->min_io_size = ubi->min_io_size;
di->ro_mode = ubi->ro_mode;
di->cdev = MKDEV(ubi->major, 0);
di->cdev = ubi->cdev.dev;
return 0;
}
EXPORT_SYMBOL_GPL(ubi_get_device_info);
@ -73,7 +73,7 @@ void ubi_get_volume_info(struct ubi_volume_desc *desc,
vi->usable_leb_size = vol->usable_leb_size;
vi->name_len = vol->name_len;
vi->name = vol->name;
vi->cdev = MKDEV(ubi->major, vi->vol_id + 1);
vi->cdev = vol->cdev.dev;
}
EXPORT_SYMBOL_GPL(ubi_get_volume_info);

2
drivers/mtd/ubi/ubi.h
View File

@ -204,7 +204,6 @@ struct ubi_wl_entry;
* @cdev: character device object to create character device
* @ubi_num: UBI device number
* @ubi_name: UBI device name
* @major: character device major number
* @vol_count: number of volumes in this UBI device
* @volumes: volumes of this UBI device
* @volumes_lock: protects @volumes, @rsvd_pebs, @avail_pebs, beb_rsvd_pebs,
@ -287,7 +286,6 @@ struct ubi_device {
struct device dev;
int ubi_num;
char ubi_name[sizeof(UBI_NAME_STR)+5];
int major;
int vol_count;
struct ubi_volume *volumes[UBI_MAX_VOLUMES+UBI_INT_VOL_COUNT];
spinlock_t volumes_lock;

12
drivers/mtd/ubi/vmt.c
View File

@ -192,6 +192,7 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req)
struct ubi_volume *vol;
struct ubi_vtbl_record vtbl_rec;
uint64_t bytes;
dev_t dev;
if (ubi->ro_mode)
return -EROFS;
@ -301,7 +302,8 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req)
/* Register character device for the volume */
cdev_init(&vol->cdev, &ubi_vol_cdev_operations);
vol->cdev.owner = THIS_MODULE;
err = cdev_add(&vol->cdev, MKDEV(ubi->major, vol_id + 1), 1);
dev = MKDEV(MAJOR(ubi->cdev.dev), vol_id + 1);
err = cdev_add(&vol->cdev, dev, 1);
if (err) {
ubi_err("cannot add character device for volume %d", vol_id);
goto out_mapping;
@ -313,7 +315,7 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req)
vol->dev.release = vol_release;
vol->dev.parent = &ubi->dev;
vol->dev.devt = MKDEV(ubi->major, vol->vol_id + 1);
vol->dev.devt = dev;
vol->dev.class = ubi_class;
sprintf(&vol->dev.bus_id[0], "%s_%d", ubi->ubi_name, vol->vol_id);
err = device_register(&vol->dev);
@ -576,6 +578,7 @@ int ubi_resize_volume(struct ubi_volume_desc *desc, int reserved_pebs)
int ubi_add_volume(struct ubi_device *ubi, int vol_id)
{
int err;
dev_t dev;
struct ubi_volume *vol = ubi->volumes[vol_id];
dbg_msg("add volume %d", vol_id);
@ -585,7 +588,8 @@ int ubi_add_volume(struct ubi_device *ubi, int vol_id)
/* Register character device for the volume */
cdev_init(&vol->cdev, &ubi_vol_cdev_operations);
vol->cdev.owner = THIS_MODULE;
err = cdev_add(&vol->cdev, MKDEV(ubi->major, vol->vol_id + 1), 1);
dev = MKDEV(MAJOR(ubi->cdev.dev), vol->vol_id + 1);
err = cdev_add(&vol->cdev, dev, 1);
if (err) {
ubi_err("cannot add character device for volume %d", vol_id);
return err;
@ -597,7 +601,7 @@ int ubi_add_volume(struct ubi_device *ubi, int vol_id)
vol->dev.release = vol_release;
vol->dev.parent = &ubi->dev;
vol->dev.devt = MKDEV(ubi->major, vol->vol_id + 1);
vol->dev.devt = dev;
vol->dev.class = ubi_class;
sprintf(&vol->dev.bus_id[0], "%s_%d", ubi->ubi_name, vol->vol_id);
err = device_register(&vol->dev);