diff options
Diffstat (limited to 'drivers/crypto/caam/jr.c')
| -rw-r--r-- | drivers/crypto/caam/jr.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c index df2a0504bcf6..88aff2aefd5d 100644 --- a/drivers/crypto/caam/jr.c +++ b/drivers/crypto/caam/jr.c @@ -62,6 +62,15 @@ algs_unlock: mutex_unlock(&algs_lock); } +static void caam_jr_crypto_engine_exit(void *data) +{ + struct device *jrdev = data; + struct caam_drv_private_jr *jrpriv = dev_get_drvdata(jrdev); + + /* Free the resources of crypto-engine */ + crypto_engine_exit(jrpriv->engine); +} + static int caam_reset_hw_jr(struct device *dev) { struct caam_drv_private_jr *jrp = dev_get_drvdata(dev); @@ -538,6 +547,25 @@ static int caam_jr_probe(struct platform_device *pdev) return error; } + /* Initialize crypto engine */ + jrpriv->engine = crypto_engine_alloc_init(jrdev, false); + if (!jrpriv->engine) { + dev_err(jrdev, "Could not init crypto-engine\n"); + return -ENOMEM; + } + + error = devm_add_action_or_reset(jrdev, caam_jr_crypto_engine_exit, + jrdev); + if (error) + return error; + + /* Start crypto engine */ + error = crypto_engine_start(jrpriv->engine); + if (error) { + dev_err(jrdev, "Could not start crypto-engine\n"); + return error; + } + /* Identify the interrupt */ jrpriv->irq = irq_of_parse_and_map(nprop, 0); if (!jrpriv->irq) { |