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path: root/drivers/crypto/xilinx/zynqmp-aes-gcm.c
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Diffstat (limited to 'drivers/crypto/xilinx/zynqmp-aes-gcm.c')
-rw-r--r--drivers/crypto/xilinx/zynqmp-aes-gcm.c22
1 files changed, 6 insertions, 16 deletions
diff --git a/drivers/crypto/xilinx/zynqmp-aes-gcm.c b/drivers/crypto/xilinx/zynqmp-aes-gcm.c
index 09f7f468eef8..cd11558893cd 100644
--- a/drivers/crypto/xilinx/zynqmp-aes-gcm.c
+++ b/drivers/crypto/xilinx/zynqmp-aes-gcm.c
@@ -46,7 +46,6 @@ struct zynqmp_aead_drv_ctx {
} alg;
struct device *dev;
struct crypto_engine *engine;
- const struct zynqmp_eemi_ops *eemi_ops;
};
struct zynqmp_aead_hw_req {
@@ -80,21 +79,15 @@ static int zynqmp_aes_aead_cipher(struct aead_request *req)
struct zynqmp_aead_tfm_ctx *tfm_ctx = crypto_aead_ctx(aead);
struct zynqmp_aead_req_ctx *rq_ctx = aead_request_ctx(req);
struct device *dev = tfm_ctx->dev;
- struct aead_alg *alg = crypto_aead_alg(aead);
- struct zynqmp_aead_drv_ctx *drv_ctx;
struct zynqmp_aead_hw_req *hwreq;
dma_addr_t dma_addr_data, dma_addr_hw_req;
unsigned int data_size;
unsigned int status;
+ int ret;
size_t dma_size;
char *kbuf;
int err;
- drv_ctx = container_of(alg, struct zynqmp_aead_drv_ctx, alg.aead);
-
- if (!drv_ctx->eemi_ops->aes)
- return -ENOTSUPP;
-
if (tfm_ctx->keysrc == ZYNQMP_AES_KUP_KEY)
dma_size = req->cryptlen + ZYNQMP_AES_KEY_SIZE
+ GCM_AES_IV_SIZE;
@@ -136,9 +129,12 @@ static int zynqmp_aes_aead_cipher(struct aead_request *req)
hwreq->key = 0;
}
- drv_ctx->eemi_ops->aes(dma_addr_hw_req, &status);
+ ret = zynqmp_pm_aes_engine(dma_addr_hw_req, &status);
- if (status) {
+ if (ret) {
+ dev_err(dev, "ERROR: AES PM API failed\n");
+ err = ret;
+ } else if (status) {
switch (status) {
case ZYNQMP_AES_GCM_TAG_MISMATCH_ERR:
dev_err(dev, "ERROR: Gcm Tag mismatch\n");
@@ -388,12 +384,6 @@ static int zynqmp_aes_aead_probe(struct platform_device *pdev)
else
return -ENODEV;
- aes_drv_ctx.eemi_ops = zynqmp_pm_get_eemi_ops();
- if (IS_ERR(aes_drv_ctx.eemi_ops)) {
- dev_err(dev, "Failed to get ZynqMP EEMI interface\n");
- return PTR_ERR(aes_drv_ctx.eemi_ops);
- }
-
err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(ZYNQMP_DMA_BIT_MASK));
if (err < 0) {
dev_err(dev, "No usable DMA configuration\n");