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path: root/drivers/crypto/inside-secure/safexcel_cipher.c
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Diffstat (limited to 'drivers/crypto/inside-secure/safexcel_cipher.c')
-rw-r--r--drivers/crypto/inside-secure/safexcel_cipher.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/crypto/inside-secure/safexcel_cipher.c b/drivers/crypto/inside-secure/safexcel_cipher.c
index 0e5cc230e49a..63a8768ed2ae 100644
--- a/drivers/crypto/inside-secure/safexcel_cipher.c
+++ b/drivers/crypto/inside-secure/safexcel_cipher.c
@@ -69,6 +69,7 @@ static int safexcel_aes_setkey(struct crypto_skcipher *ctfm, const u8 *key,
{
struct crypto_tfm *tfm = crypto_skcipher_tfm(ctfm);
struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(tfm);
+ struct safexcel_crypto_priv *priv = ctx->priv;
struct crypto_aes_ctx aes;
int ret, i;
@@ -78,7 +79,7 @@ static int safexcel_aes_setkey(struct crypto_skcipher *ctfm, const u8 *key,
return ret;
}
- if (ctx->base.ctxr_dma) {
+ if (priv->version == EIP197 && ctx->base.ctxr_dma) {
for (i = 0; i < len / sizeof(u32); i++) {
if (ctx->key[i] != cpu_to_le32(aes.key_enc[i])) {
ctx->base.needs_inv = true;
@@ -411,9 +412,13 @@ static int safexcel_send(struct crypto_async_request *async,
int *commands, int *results)
{
struct skcipher_request *req = skcipher_request_cast(async);
+ struct safexcel_cipher_ctx *ctx = crypto_tfm_ctx(req->base.tfm);
struct safexcel_cipher_req *sreq = skcipher_request_ctx(req);
+ struct safexcel_crypto_priv *priv = ctx->priv;
int ret;
+ BUG_ON(priv->version == EIP97 && sreq->needs_inv);
+
if (sreq->needs_inv)
ret = safexcel_cipher_send_inv(async, ring, request,
commands, results);
@@ -476,7 +481,7 @@ static int safexcel_aes(struct skcipher_request *req,
ctx->mode = mode;
if (ctx->base.ctxr) {
- if (ctx->base.needs_inv) {
+ if (priv->version == EIP197 && ctx->base.needs_inv) {
sreq->needs_inv = true;
ctx->base.needs_inv = false;
}
@@ -544,9 +549,14 @@ static void safexcel_skcipher_cra_exit(struct crypto_tfm *tfm)
memzero_explicit(ctx->base.ctxr->data, 8 * sizeof(u32));
- ret = safexcel_cipher_exit_inv(tfm);
- if (ret)
- dev_warn(priv->dev, "cipher: invalidation error %d\n", ret);
+ if (priv->version == EIP197) {
+ ret = safexcel_cipher_exit_inv(tfm);
+ if (ret)
+ dev_warn(priv->dev, "cipher: invalidation error %d\n", ret);
+ } else {
+ dma_pool_free(priv->context_pool, ctx->base.ctxr,
+ ctx->base.ctxr_dma);
+ }
}
struct safexcel_alg_template safexcel_alg_ecb_aes = {