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crypto: virtio - Remove unused virtcrypto functions

Browse source 
virtcrypto_devmgr_get_first() and virtcrypto_dev_in_use() were added in
2016 by
commit dbaf0624ff ("crypto: add virtio-crypto driver")

but have remained unused.

Remove them.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Dr. David Alan Gilbert 2025-06-14 01:05:05 +01:00 • committed by Herbert Xu
parent 8024774190
commit 1adaaeeb90
2 changed files with 0 additions and 38 deletions
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2
drivers/crypto/virtio/virtio_crypto_common.h
View file

@ -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);

36
drivers/crypto/virtio/virtio_crypto_mgr.c
View file

@ -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.