Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Merge crypto tree to pick up hisilicon patch.

4 files changed, 28 insertions, 11 deletions

diff --git a/arch/arm/crypto/curve25519-glue.c b/arch/arm/crypto/curve25519-glue.c
index f3f42cf3b893..776ae07e0469 100644
--- a/arch/arm/crypto/curve25519-glue.c
+++ b/arch/arm/crypto/curve25519-glue.c
@@ -38,6 +38,13 @@ void curve25519_arch(u8 out[CURVE25519_KEY_SIZE],
 }
 EXPORT_SYMBOL(curve25519_arch);
 
+void curve25519_base_arch(u8 pub[CURVE25519_KEY_SIZE],
+			  const u8 secret[CURVE25519_KEY_SIZE])
+{
+	return curve25519_arch(pub, secret, curve25519_base_point);
+}
+EXPORT_SYMBOL(curve25519_base_arch);
+
 static int curve25519_set_secret(struct crypto_kpp *tfm, const void *buf,
 				 unsigned int len)
 {
diff --git a/drivers/crypto/hisilicon/sec2/sec.h b/drivers/crypto/hisilicon/sec2/sec.h
index 26754d0570ba..b846d73d9a85 100644
--- a/drivers/crypto/hisilicon/sec2/sec.h
+++ b/drivers/crypto/hisilicon/sec2/sec.h
@@ -40,7 +40,7 @@ struct sec_req {
 	int req_id;
 
 	/* Status of the SEC request */
-	int fake_busy;
+	atomic_t fake_busy;
 };
 
 /**
@@ -132,8 +132,8 @@ struct sec_debug_file {
 };
 
 struct sec_dfx {
-	u64 send_cnt;
-	u64 recv_cnt;
+	atomic64_t send_cnt;
+	atomic64_t recv_cnt;
 };
 
 struct sec_debug {
diff --git a/drivers/crypto/hisilicon/sec2/sec_crypto.c b/drivers/crypto/hisilicon/sec2/sec_crypto.c
index 62b04e19067c..0a5391fff485 100644
--- a/drivers/crypto/hisilicon/sec2/sec_crypto.c
+++ b/drivers/crypto/hisilicon/sec2/sec_crypto.c
@@ -120,7 +120,7 @@ static void sec_req_cb(struct hisi_qp *qp, void *resp)
 		return;
 	}
 
-	__sync_add_and_fetch(&req->ctx->sec->debug.dfx.recv_cnt, 1);
+	atomic64_inc(&req->ctx->sec->debug.dfx.recv_cnt);
 
 	req->ctx->req_op->buf_unmap(req->ctx, req);
 
@@ -135,13 +135,13 @@ static int sec_bd_send(struct sec_ctx *ctx, struct sec_req *req)
 	mutex_lock(&qp_ctx->req_lock);
 	ret = hisi_qp_send(qp_ctx->qp, &req->sec_sqe);
 	mutex_unlock(&qp_ctx->req_lock);
-	__sync_add_and_fetch(&ctx->sec->debug.dfx.send_cnt, 1);
+	atomic64_inc(&ctx->sec->debug.dfx.send_cnt);
 
 	if (ret == -EBUSY)
 		return -ENOBUFS;
 
 	if (!ret) {
-		if (req->fake_busy)
+		if (atomic_read(&req->fake_busy))
 			ret = -EBUSY;
 		else
 			ret = -EINPROGRESS;
@@ -641,7 +641,7 @@ static void sec_skcipher_callback(struct sec_ctx *ctx, struct sec_req *req)
 	if (ctx->c_ctx.c_mode == SEC_CMODE_CBC && req->c_req.encrypt)
 		sec_update_iv(req);
 
-	if (__sync_bool_compare_and_swap(&req->fake_busy, 1, 0))
+	if (atomic_cmpxchg(&req->fake_busy, 1, 0) != 1)
 		sk_req->base.complete(&sk_req->base, -EINPROGRESS);
 
 	sk_req->base.complete(&sk_req->base, req->err_type);
@@ -672,9 +672,9 @@ static int sec_request_init(struct sec_ctx *ctx, struct sec_req *req)
 	}
 
 	if (ctx->fake_req_limit <= atomic_inc_return(&qp_ctx->pending_reqs))
-		req->fake_busy = 1;
+		atomic_set(&req->fake_busy, 1);
 	else
-		req->fake_busy = 0;
+		atomic_set(&req->fake_busy, 0);
 
 	ret = ctx->req_op->get_res(ctx, req);
 	if (ret) {
diff --git a/drivers/crypto/hisilicon/sec2/sec_main.c b/drivers/crypto/hisilicon/sec2/sec_main.c
index 74f0654028c9..ab742dfbab99 100644
--- a/drivers/crypto/hisilicon/sec2/sec_main.c
+++ b/drivers/crypto/hisilicon/sec2/sec_main.c
@@ -608,6 +608,14 @@ static const struct file_operations sec_dbg_fops = {
 	.write = sec_debug_write,
 };
 
+static int debugfs_atomic64_t_get(void *data, u64 *val)
+{
+        *val = atomic64_read((atomic64_t *)data);
+        return 0;
+}
+DEFINE_DEBUGFS_ATTRIBUTE(fops_atomic64_t_ro, debugfs_atomic64_t_get, NULL,
+                        "%lld\n");
+
 static int sec_core_debug_init(struct sec_dev *sec)
 {
 	struct hisi_qm *qm = &sec->qm;
@@ -628,9 +636,11 @@ static int sec_core_debug_init(struct sec_dev *sec)
 
 	debugfs_create_regset32("regs", 0444, tmp_d, regset);
 
-	debugfs_create_u64("send_cnt", 0444, tmp_d, &dfx->send_cnt);
+	debugfs_create_file("send_cnt", 0444, tmp_d, &dfx->send_cnt,
+			    &fops_atomic64_t_ro);
 
-	debugfs_create_u64("recv_cnt", 0444, tmp_d, &dfx->recv_cnt);
+	debugfs_create_file("recv_cnt", 0444, tmp_d, &dfx->recv_cnt,
+			    &fops_atomic64_t_ro);
 
 	return 0;
 }