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path: root/drivers/crypto/ccp/ccp-dev-v3.c
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Diffstat (limited to 'drivers/crypto/ccp/ccp-dev-v3.c')
-rw-r--r--drivers/crypto/ccp/ccp-dev-v3.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/crypto/ccp/ccp-dev-v3.c b/drivers/crypto/ccp/ccp-dev-v3.c
index 7d5eab49179e..d7a710347967 100644
--- a/drivers/crypto/ccp/ccp-dev-v3.c
+++ b/drivers/crypto/ccp/ccp-dev-v3.c
@@ -406,6 +406,11 @@ static int ccp_init(struct ccp_device *ccp)
goto e_kthread;
}
+ /* Register the DMA engine support */
+ ret = ccp_dmaengine_register(ccp);
+ if (ret)
+ goto e_hwrng;
+
ccp_add_device(ccp);
/* Enable interrupts */
@@ -413,6 +418,9 @@ static int ccp_init(struct ccp_device *ccp)
return 0;
+e_hwrng:
+ hwrng_unregister(&ccp->hwrng);
+
e_kthread:
for (i = 0; i < ccp->cmd_q_count; i++)
if (ccp->cmd_q[i].kthread)
@@ -436,6 +444,9 @@ static void ccp_destroy(struct ccp_device *ccp)
/* Remove this device from the list of available units first */
ccp_del_device(ccp);
+ /* Unregister the DMA engine */
+ ccp_dmaengine_unregister(ccp);
+
/* Unregister the RNG */
hwrng_unregister(&ccp->hwrng);
@@ -515,7 +526,7 @@ static irqreturn_t ccp_irq_handler(int irq, void *data)
return IRQ_HANDLED;
}
-static struct ccp_actions ccp3_actions = {
+static const struct ccp_actions ccp3_actions = {
.perform_aes = ccp_perform_aes,
.perform_xts_aes = ccp_perform_xts_aes,
.perform_sha = ccp_perform_sha,