C++ (Cpp) mmc_blk_alloc Exemples

Exemple #1

Fichier : mmc_block.c Projet : Antonio-Zhou/Linux-2.6.11

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;
}

Exemple #2

Fichier : mmc_block.c Projet : maliyu/SOM2416

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;
}

Exemple #3

Fichier : mmc_block.c Projet : BackupTheBerlios/tew632-brp-svn

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;
}