linux-kernel - [PATCH v2 05/10] crypto: hisilicon/zip - use a enum parameter instead of some macros

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Date:   Mon, 7 Sep 2020 16:21:57 +0800
From:   Yang Shen <shenyang39@...wei.com>
To:     <herbert@...dor.apana.org.au>, <davem@...emloft.net>
CC:     <linux-kernel@...r.kernel.org>, <linux-crypto@...r.kernel.org>,
        <xuzaibo@...wei.com>, <wangzhou1@...ilicon.com>
Subject: [PATCH v2 05/10] crypto: hisilicon/zip - use a enum parameter instead of some macros

Macros 'QPC_COMP', 'QPC_DECOMP' and 'HZIP_CTX_Q_NUM' are relative and
incremental. So, use an enum instead.

Signed-off-by: Yang Shen <shenyang39@...wei.com>
Reviewed-by: Zhou Wang <wangzhou1@...ilicon.com>
---
 drivers/crypto/hisilicon/zip/zip_crypto.c | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/drivers/crypto/hisilicon/zip/zip_crypto.c b/drivers/crypto/hisilicon/zip/zip_crypto.c
index aba1600..c2ea849 100644
--- a/drivers/crypto/hisilicon/zip/zip_crypto.c
+++ b/drivers/crypto/hisilicon/zip/zip_crypto.c
@@ -19,7 +19,6 @@
 #define GZIP_HEAD_FEXTRA_XLEN			2
 #define GZIP_HEAD_FHCRC_SIZE			2
 
-#define HZIP_CTX_Q_NUM				2
 #define HZIP_GZIP_HEAD_BUF			256
 #define HZIP_ALG_PRIORITY			300
 #define HZIP_SGL_SGE_NR				10
@@ -32,6 +31,12 @@ enum hisi_zip_alg_type {
 	HZIP_ALG_TYPE_DECOMP = 1,
 };
 
+enum {
+	HZIP_QPC_COMP,
+	HZIP_QPC_DECOMP,
+	HZIP_CTX_Q_NUM
+};
+
 #define COMP_NAME_TO_TYPE(alg_name)					\
 	(!strcmp((alg_name), "zlib-deflate") ? HZIP_ALG_TYPE_ZLIB :	\
 	 !strcmp((alg_name), "gzip") ? HZIP_ALG_TYPE_GZIP : 0)		\
@@ -71,8 +76,6 @@ struct hisi_zip_qp_ctx {
 };
 
 struct hisi_zip_ctx {
-#define QPC_COMP	0
-#define QPC_DECOMP	1
 	struct hisi_zip_qp_ctx qp_ctx[HZIP_CTX_Q_NUM];
 };
 
@@ -264,11 +267,11 @@ static int hisi_zip_create_req_q(struct hisi_zip_ctx *ctx)
 	return 0;
 
 err_free_loop1:
-	kfree(ctx->qp_ctx[QPC_DECOMP].req_q.req_bitmap);
+	kfree(ctx->qp_ctx[HZIP_QPC_DECOMP].req_q.req_bitmap);
 err_free_loop0:
-	kfree(ctx->qp_ctx[QPC_COMP].req_q.q);
+	kfree(ctx->qp_ctx[HZIP_QPC_COMP].req_q.q);
 err_free_bitmap:
-	kfree(ctx->qp_ctx[QPC_COMP].req_q.req_bitmap);
+	kfree(ctx->qp_ctx[HZIP_QPC_COMP].req_q.req_bitmap);
 	return ret;
 }
 
@@ -303,8 +306,8 @@ static int hisi_zip_create_sgl_pool(struct hisi_zip_ctx *ctx)
 	return 0;
 
 err_free_sgl_pool0:
-	hisi_acc_free_sgl_pool(&ctx->qp_ctx[QPC_COMP].qp->qm->pdev->dev,
-			       ctx->qp_ctx[QPC_COMP].sgl_pool);
+	hisi_acc_free_sgl_pool(&ctx->qp_ctx[HZIP_QPC_COMP].qp->qm->pdev->dev,
+			       ctx->qp_ctx[HZIP_QPC_COMP].sgl_pool);
 	return -ENOMEM;
 }
 
@@ -539,7 +542,7 @@ static int hisi_zip_do_work(struct hisi_zip_req *req,
 static int hisi_zip_acompress(struct acomp_req *acomp_req)
 {
 	struct hisi_zip_ctx *ctx = crypto_tfm_ctx(acomp_req->base.tfm);
-	struct hisi_zip_qp_ctx *qp_ctx = &ctx->qp_ctx[QPC_COMP];
+	struct hisi_zip_qp_ctx *qp_ctx = &ctx->qp_ctx[HZIP_QPC_COMP];
 	struct hisi_zip_req *req;
 	int head_size;
 	int ret;
@@ -563,7 +566,7 @@ static int hisi_zip_acompress(struct acomp_req *acomp_req)
 static int hisi_zip_adecompress(struct acomp_req *acomp_req)
 {
 	struct hisi_zip_ctx *ctx = crypto_tfm_ctx(acomp_req->base.tfm);
-	struct hisi_zip_qp_ctx *qp_ctx = &ctx->qp_ctx[QPC_DECOMP];
+	struct hisi_zip_qp_ctx *qp_ctx = &ctx->qp_ctx[HZIP_QPC_DECOMP];
 	struct hisi_zip_req *req;
 	size_t head_size;
 	int ret;
-- 
2.7.4