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crypto: inside-secure - only dequeue when needed 

This force the need_dequeue flag to be unset whenever the dequeue
function is called, to avoid calling it when it is not necessary.

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Antoine Ténart 2017-06-15 09:56:27 +02:00 committed by Herbert Xu
parent b1deb47ad1
commit 5eb0cc66f3
1 changed files with 3 additions and 3 deletions
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6
drivers/crypto/inside-secure/safexcel.c
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@ -429,6 +429,8 @@ void safexcel_dequeue(struct safexcel_crypto_priv *priv, int ring)
struct safexcel_request *request; struct safexcel_request *request;
int ret, nreq = 0, cdesc = 0, rdesc = 0, commands, results; int ret, nreq = 0, cdesc = 0, rdesc = 0, commands, results;
priv->ring[ring].need_dequeue = false;
do { do {
spin_lock_bh(&priv->ring[ring].queue_lock); spin_lock_bh(&priv->ring[ring].queue_lock);
backlog = crypto_get_backlog(&priv->ring[ring].queue); backlog = crypto_get_backlog(&priv->ring[ring].queue);
@ -631,11 +633,9 @@ static void safexcel_handle_result_work(struct work_struct *work)
safexcel_handle_result_descriptor(priv, data->ring); safexcel_handle_result_descriptor(priv, data->ring);
if (priv->ring[data->ring].need_dequeue) { if (priv->ring[data->ring].need_dequeue)
priv->ring[data->ring].need_dequeue = false;
safexcel_dequeue(data->priv, data->ring); safexcel_dequeue(data->priv, data->ring);
} }
}
struct safexcel_ring_irq_data { struct safexcel_ring_irq_data {
struct safexcel_crypto_priv *priv; struct safexcel_crypto_priv *priv;