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-rw-r--r--include/mtd/ubi-user.h28
1 files changed, 7 insertions, 21 deletions
diff --git a/include/mtd/ubi-user.h b/include/mtd/ubi-user.h
index 4b139a6..296efae 100644
--- a/include/mtd/ubi-user.h
+++ b/include/mtd/ubi-user.h
@@ -25,12 +25,11 @@
* UBI device creation (the same as MTD device attachment)
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
- * MTD and block devices may be attached using %UBI_IOCATT ioctl command of the
- * UBI control device. The caller has to properly fill and pass
- * &struct ubi_attach_req object. If the @bdev_major and @bdev_minor fields
- * contain zeroes, UBI will attaches MTD device number @mtd_num. Otherwise it
- * attaches block device with major/minor numbers @bdev_major and @bdev_minor.
- * The ioctl returns the newly created UBI device number.
+ * MTD devices may be attached using %UBI_IOCATT ioctl command of the UBI
+ * control device. The caller has to properly fill and pass
+ * &struct ubi_attach_req object - UBI will attach the MTD device specified in
+ * the request and return the newly created UBI device number as the ioctl
+ * return value.
*
* UBI device deletion (the same as MTD device detachment)
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -236,25 +235,14 @@ enum {
* @ubi_num: UBI device number to create
* @mtd_num: MTD device number to attach
* @vid_hdr_offset: VID header offset (use defaults if %0)
- * @bdev_major: major number of the block device to attach
- * @bdev_minor: minor number of the block device to attach
* @padding: reserved for future, not used, has to be zeroed
*
- * This data structure is used to specify the device UBI has to attach and the
+ * This data structure is used to specify MTD device UBI has to attach and the
* parameters it has to use. The number which should be assigned to the new UBI
* device is passed in @ubi_num. UBI may automatically assign the number if
* @UBI_DEV_NUM_AUTO is passed. In this case, the device number is returned in
* @ubi_num.
*
- * UBI can attach block and MTD devices. To attach a block device, @bdev_major
- * and @bdev_minor have to contain block device major an minor numbers. And
- * @mtd_num and @vid_hdr_offset have to contain zeroes. Note, the major number
- * cannot be zero. To attach an MTD device, @bdev_major and @bdev_minor have to
- * contain zeroes, while @mtd_num has to contain the MTD device number to
- * attach.
- *
- * The rest of the documentation is specific to the MTD device case.
- *
* Most applications should pass %0 in @vid_hdr_offset to make UBI use default
* offset of the VID header within physical eraseblocks. The default offset is
* the next min. I/O unit after the EC header. For example, it will be offset
@@ -275,9 +263,7 @@ struct ubi_attach_req {
int32_t ubi_num;
int32_t mtd_num;
int32_t vid_hdr_offset;
- int32_t bdev_major;
- int32_t bdev_minor;
- int8_t padding[4];
+ int8_t padding[12];
};
/**