From: Meng Yu <yumen...@huawei.com>

1. Remove unused member 'debug_root' in 'struct hpre_debug';
2. The u64 cast is redundant in 'cpu_to_le64'.

Fixes: 848974151618("crypto: hisilicon - Add debugfs for HPRE")
Fixes: dadbe4c11753("crypto: hisilicon/hpre - update debugfs ...")
Signed-off-by: Meng Yu <yumen...@huawei.com>
Reviewed-by: Zaibo Xu <xuza...@huawei.com>
---
 drivers/crypto/hisilicon/hpre/hpre.h        | 1 -
 drivers/crypto/hisilicon/hpre/hpre_crypto.c | 8 ++++----
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/crypto/hisilicon/hpre/hpre.h 
b/drivers/crypto/hisilicon/hpre/hpre.h
index ed730d1..f69252b 100644
--- a/drivers/crypto/hisilicon/hpre/hpre.h
+++ b/drivers/crypto/hisilicon/hpre/hpre.h
@@ -56,7 +56,6 @@ struct hpre_dfx {
  * Just relevant for PF.
  */
 struct hpre_debug {
-       struct dentry *debug_root;
        struct hpre_dfx dfx[HPRE_DFX_FILE_NUM];
        struct hpre_debugfs_file files[HPRE_DEBUGFS_FILE_NUM];
 };
diff --git a/drivers/crypto/hisilicon/hpre/hpre_crypto.c 
b/drivers/crypto/hisilicon/hpre/hpre_crypto.c
index d685992..678a5ee 100644
--- a/drivers/crypto/hisilicon/hpre/hpre_crypto.c
+++ b/drivers/crypto/hisilicon/hpre/hpre_crypto.c
@@ -474,7 +474,7 @@ static int hpre_msg_request_set(struct hpre_ctx *ctx, void 
*req, bool is_rsa)
                h_req->areq.dh = kreq;
                msg = &h_req->req;
                memset(msg, 0, sizeof(*msg));
-               msg->key = cpu_to_le64((u64)ctx->dh.dma_xa_p);
+               msg->key = cpu_to_le64(ctx->dh.dma_xa_p);
        }
 
        msg->dw0 |= cpu_to_le32(0x1 << HPRE_SQE_DONE_SHIFT);
@@ -740,7 +740,7 @@ static int hpre_rsa_enc(struct akcipher_request *req)
                return ret;
 
        msg->dw0 |= cpu_to_le32(HPRE_ALG_NC_NCRT);
-       msg->key = cpu_to_le64((u64)ctx->rsa.dma_pubkey);
+       msg->key = cpu_to_le64(ctx->rsa.dma_pubkey);
 
        ret = hpre_hw_data_init(hpre_req, req->src, req->src_len, 1, 0);
        if (unlikely(ret))
@@ -788,11 +788,11 @@ static int hpre_rsa_dec(struct akcipher_request *req)
                return ret;
 
        if (ctx->crt_g2_mode) {
-               msg->key = cpu_to_le64((u64)ctx->rsa.dma_crt_prikey);
+               msg->key = cpu_to_le64(ctx->rsa.dma_crt_prikey);
                msg->dw0 = cpu_to_le32(le32_to_cpu(msg->dw0) |
                                       HPRE_ALG_NC_CRT);
        } else {
-               msg->key = cpu_to_le64((u64)ctx->rsa.dma_prikey);
+               msg->key = cpu_to_le64(ctx->rsa.dma_prikey);
                msg->dw0 = cpu_to_le32(le32_to_cpu(msg->dw0) |
                                       HPRE_ALG_NC_NCRT);
        }
-- 
2.8.1

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