static int mmc_blk_probe(struct mmc_card *card) { struct mmc_blk_data *md; int err; /* * Check that the card supports the command class(es) we need. */ if (!(card->csd.cmdclass & CCC_BLOCK_READ)) return -ENODEV; md = mmc_blk_alloc(card); if (IS_ERR(md)) return PTR_ERR(md); err = mmc_blk_set_blksize(md, card); if (err) goto out; printk(KERN_INFO "%s: %s %s %lluKiB %s\n", md->disk->disk_name, mmc_card_id(card), mmc_card_name(card), (unsigned long long)(get_capacity(md->disk) >> 1), md->read_only ? "(ro)" : ""); mmc_set_drvdata(card, md); add_disk(md->disk); return 0; out: mmc_blk_put(md); return err; }
static int mmc_blk_release(struct inode *inode, struct file *filp) { struct mmc_blk_data *md = inode->i_bdev->bd_disk->private_data; mmc_blk_put(md); return 0; }
static int mmc_blk_probe(struct mmc_card *card) { struct mmc_blk_data *md; int err; if (card->csd.cmdclass & ~0x1ff) return -ENODEV; if (card->csd.read_blkbits < 9) { printk(KERN_WARNING "%s: read blocksize too small (%u)\n", mmc_card_id(card), 1 << card->csd.read_blkbits); return -ENODEV; } md = mmc_blk_alloc(card); if (IS_ERR(md)) return PTR_ERR(md); err = mmc_blk_set_blksize(md, card); if (err) goto out; printk(KERN_INFO "%s: %s %s %dKiB\n", md->disk->disk_name, mmc_card_id(card), mmc_card_name(card), (card->csd.capacity << card->csd.read_blkbits) / 1024); mmc_set_drvdata(card, md); add_disk(md->disk); return 0; out: mmc_blk_put(md); return err; }
static void mmc_blk_remove(struct mmc_card *card) { struct mmc_blk_data *md = mmc_get_drvdata(card); if (md) { int devidx; /* Stop new requests from getting into the queue */ del_gendisk(md->disk); /* Then flush out any already in there */ mmc_cleanup_queue(&md->queue); devidx = md->disk->first_minor >> MMC_SHIFT; __clear_bit(devidx, dev_use); mmc_blk_put(md); } mmc_set_drvdata(card, NULL); }
static void mmc_blk_remove(struct mmc_card *card) { struct mmc_blk_data *md = mmc_get_drvdata(card); if (md) { int devidx; del_gendisk(md->disk); /* * I think this is needed. */ md->disk->queue = NULL; devidx = md->disk->first_minor >> MMC_SHIFT; __clear_bit(devidx, dev_use); mmc_blk_put(md); } mmc_set_drvdata(card, NULL); }
static int mmc_blk_probe(struct mmc_card *card) { struct mmc_blk_data *md; int err; /* * Check that the card supports the command class(es) we need. */ if (!(card->csd.cmdclass & CCC_BLOCK_READ)) return -ENODEV; if (card->csd.read_blkbits < 9) { printk(KERN_WARNING "%s: read blocksize too small (%u)\n", mmc_card_id(card), 1 << card->csd.read_blkbits); return -ENODEV; } md = mmc_blk_alloc(card); if (IS_ERR(md)) return PTR_ERR(md); err = mmc_blk_set_blksize(md, card); if (err) goto out; printk(KERN_INFO "%s: %s %s %luKiB %s\n", md->disk->disk_name, mmc_card_id(card), mmc_card_name(card), get_capacity(md->disk) >> 1, mmc_blk_readonly(card)?"(ro)":""); mmc_set_drvdata(card, md); add_disk(md->disk); return 0; out: mmc_blk_put(md); return err; }