SPRD_EFUSE_BLOCK_WIDTH
u32 index = offset / SPRD_EFUSE_BLOCK_WIDTH + efuse->data->blk_offset;
u32 blk_offset = (offset % SPRD_EFUSE_BLOCK_WIDTH) * BITS_PER_BYTE;
if (bytes < SPRD_EFUSE_BLOCK_WIDTH)
econfig.size = efuse->data->blk_nums * SPRD_EFUSE_BLOCK_WIDTH;