Commit 1adaaeeb authored by Dr. David Alan Gilbert's avatar Dr. David Alan Gilbert Committed by Herbert Xu
Browse files

crypto: virtio - Remove unused virtcrypto functions 



virtcrypto_devmgr_get_first() and virtcrypto_dev_in_use() were added in
2016 by
commit dbaf0624 ("crypto: add virtio-crypto driver")

but have remained unused.

Remove them.

Signed-off-by: default avatarDr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: default avatarZenghui Yu <yuzenghui@huawei.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 80247741

drivers/crypto/virtio/virtio_crypto_common.h

+0 −2
Original line number Diff line number Diff line
@@ -113,8 +113,6 @@ struct virtio_crypto_request { 
int virtcrypto_devmgr_add_dev(struct virtio_crypto *vcrypto_dev);

struct list_head *virtcrypto_devmgr_get_head(void);

void virtcrypto_devmgr_rm_dev(struct virtio_crypto *vcrypto_dev);

struct virtio_crypto *virtcrypto_devmgr_get_first(void);

int virtcrypto_dev_in_use(struct virtio_crypto *vcrypto_dev);

int virtcrypto_dev_get(struct virtio_crypto *vcrypto_dev);

void virtcrypto_dev_put(struct virtio_crypto *vcrypto_dev);

int virtcrypto_dev_started(struct virtio_crypto *vcrypto_dev);

drivers/crypto/virtio/virtio_crypto_mgr.c

+0 −36
Original line number Diff line number Diff line
@@ -81,42 +81,6 @@ void virtcrypto_devmgr_rm_dev(struct virtio_crypto *vcrypto_dev) 
	mutex_unlock(&table_lock);

}



/*

 * virtcrypto_devmgr_get_first()

 *

 * Function returns the first virtio crypto device from the acceleration

 * framework.

 *

 * To be used by virtio crypto device specific drivers.

 *

 * Return: pointer to vcrypto_dev or NULL if not found.

 */

struct virtio_crypto *virtcrypto_devmgr_get_first(void)

{

	struct virtio_crypto *dev = NULL;



	mutex_lock(&table_lock);

	if (!list_empty(&virtio_crypto_table))

		dev = list_first_entry(&virtio_crypto_table,

					struct virtio_crypto,

				    list);

	mutex_unlock(&table_lock);

	return dev;

}



/*

 * virtcrypto_dev_in_use() - Check whether vcrypto_dev is currently in use

 * @vcrypto_dev: Pointer to virtio crypto device.

 *

 * To be used by virtio crypto device specific drivers.

 *

 * Return: 1 when device is in use, 0 otherwise.

 */

int virtcrypto_dev_in_use(struct virtio_crypto *vcrypto_dev)

{

	return atomic_read(&vcrypto_dev->ref_count) != 0;

}



/*

 * virtcrypto_dev_get() - Increment vcrypto_dev reference count

 * @vcrypto_dev: Pointer to virtio crypto device.