crypto: virtio - Remove unused virtcrypto functions

virtcrypto_devmgr_get_first() and virtcrypto_dev_in_use() were added in
2016 by
commit dbaf0624ffa5 ("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>

diff --git a/drivers/crypto/virtio/virtio_crypto_common.h b/drivers/crypto/virtio/virtio_crypto_common.h
index 7059bbe5a2ebaa50b093c0611e563419f41dbb67..19c934af3df6bfc186f40dbfc8faa64e3504f77b 100644 (file)
--- a/drivers/crypto/virtio/virtio_crypto_common.h
+++ b/drivers/crypto/virtio/virtio_crypto_common.h
@@ -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);

diff --git a/drivers/crypto/virtio/virtio_crypto_mgr.c b/drivers/crypto/virtio/virtio_crypto_mgr.c
index bddbd8ebfebe621fe71347bf30069dd5d1e3e459..06c74fa132cdda040338a0d4415823876ea7f841 100644 (file)
--- a/drivers/crypto/virtio/virtio_crypto_mgr.c
+++ b/drivers/crypto/virtio/virtio_crypto_mgr.c
@@ -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.