Function rt_mmcsd_blk_probe

components/drivers/sdio/dev_block.c:353–406

};

rt_int32_t rt_mmcsd_blk_probe(struct rt_mmcsd_card *card)
{
    rt_err_t err;
    struct rt_mmcsd_host *host = card->host;
    struct mmcsd_blk_device *blk_dev = rt_calloc(1, sizeof(*blk_dev));

    if (!blk_dev)
    {
        return -RT_ENOMEM;
    }
    card->blk_dev = blk_dev;

#ifdef RT_USING_DM
    blk_dev->parent.ida = &sdio_ida;
#endif
    blk_dev->parent.parallel_io = RT_FALSE;
    blk_dev->parent.removable = controller_is_removable(host);
    blk_dev->parent.ops = &mmcsd_blk_ops;
    blk_dev->parent.max_partitions = RT_MMCSD_MAX_PARTITION;

    blk_dev->card = card;
    blk_dev->max_req_size = rt_min_t(rt_size_t,
            host->max_dma_segs * host->max_seg_size,
            host->max_blk_count * host->max_blk_size) >> 9;
    blk_dev->geometry.bytes_per_sector = 1 << 9;
    blk_dev->geometry.block_size = card->card_blksize;
    blk_dev->geometry.sector_count = card->card_capacity * (1024 / 512);

    /* Set blk size before partitions probe, Why? */
    if ((err = mmcsd_set_blksize(card)))
    {
        goto _fail;
    }
    rt_thread_mdelay(1);

#ifdef RT_USING_DM
    rt_dm_dev_set_name(&blk_dev->parent.parent, host->name);
#else
    rt_strncpy(blk_dev->parent.parent.parent.name, host->name, RT_NAME_MAX);
#endif

    if ((err = rt_hw_blk_disk_register(&blk_dev->parent)))
    {
        goto _fail;
    }

    return RT_EOK;

_fail:
    card->blk_dev = RT_NULL;
    free(blk_dev);

    return err;
}

void rt_mmcsd_blk_remove(struct rt_mmcsd_card *card)
{