linux-kernel - [PATCH 3/6] crypto: sun8i-ce-hash - factor out debugfs fallback statistics

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Message-ID: <20250401192321.3370188-3-ovidiu.panait.oss@gmail.com>
Date: Tue,  1 Apr 2025 22:23:18 +0300
From: Ovidiu Panait <ovidiu.panait.oss@...il.com>
To: clabbe.montjoie@...il.com,
	herbert@...dor.apana.org.au,
	davem@...emloft.net,
	linux-crypto@...r.kernel.org
Cc: wens@...e.org,
	jernej.skrabec@...il.com,
	samuel@...lland.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-sunxi@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Ovidiu Panait <ovidiu.panait.oss@...il.com>
Subject: [PATCH 3/6] crypto: sun8i-ce-hash - factor out debugfs fallback statistics

In order to reduce code duplication, factor out to a separate function
the codepath that increments debugfs fallback stats.

Signed-off-by: Ovidiu Panait <ovidiu.panait.oss@...il.com>
---
 .../crypto/allwinner/sun8i-ce/sun8i-ce-hash.c | 53 +++++++------------
 1 file changed, 20 insertions(+), 33 deletions(-)

diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c
index 2c2d285de154..b0959d8218cb 100644
--- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c
+++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c
@@ -23,6 +23,20 @@
 #include <linux/string.h>
 #include "sun8i-ce.h"
 
+static void sun8i_ce_hash_stat_fb_inc(struct crypto_ahash *tfm)
+{
+	if (IS_ENABLED(CONFIG_CRYPTO_DEV_SUN8I_CE_DEBUG)) {
+		struct sun8i_ce_alg_template *algt __maybe_unused;
+		struct ahash_alg *alg = crypto_ahash_alg(tfm);
+
+		algt = container_of(alg, struct sun8i_ce_alg_template,
+				    alg.hash.base);
+#ifdef CONFIG_CRYPTO_DEV_SUN8I_CE_DEBUG
+		algt->stat_fb++;
+#endif
+	}
+}
+
 int sun8i_ce_hash_init_tfm(struct crypto_ahash *tfm)
 {
 	struct sun8i_ce_hash_tfm_ctx *op = crypto_ahash_ctx(tfm);
@@ -113,22 +127,13 @@ int sun8i_ce_hash_final(struct ahash_request *areq)
 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
 	struct sun8i_ce_hash_tfm_ctx *tfmctx = crypto_ahash_ctx(tfm);
 
+	sun8i_ce_hash_stat_fb_inc(tfm);
+
 	ahash_request_set_tfm(&rctx->fallback_req, tfmctx->fallback_tfm);
 	rctx->fallback_req.base.flags = areq->base.flags &
 					CRYPTO_TFM_REQ_MAY_SLEEP;
 	rctx->fallback_req.result = areq->result;
 
-	if (IS_ENABLED(CONFIG_CRYPTO_DEV_SUN8I_CE_DEBUG)) {
-		struct sun8i_ce_alg_template *algt __maybe_unused;
-		struct ahash_alg *alg = crypto_ahash_alg(tfm);
-
-		algt = container_of(alg, struct sun8i_ce_alg_template,
-				    alg.hash.base);
-#ifdef CONFIG_CRYPTO_DEV_SUN8I_CE_DEBUG
-		algt->stat_fb++;
-#endif
-	}
-
 	return crypto_ahash_final(&rctx->fallback_req);
 }
 
@@ -153,6 +158,8 @@ int sun8i_ce_hash_finup(struct ahash_request *areq)
 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
 	struct sun8i_ce_hash_tfm_ctx *tfmctx = crypto_ahash_ctx(tfm);
 
+	sun8i_ce_hash_stat_fb_inc(tfm);
+
 	ahash_request_set_tfm(&rctx->fallback_req, tfmctx->fallback_tfm);
 	rctx->fallback_req.base.flags = areq->base.flags &
 					CRYPTO_TFM_REQ_MAY_SLEEP;
@@ -161,17 +168,6 @@ int sun8i_ce_hash_finup(struct ahash_request *areq)
 	rctx->fallback_req.src = areq->src;
 	rctx->fallback_req.result = areq->result;
 
-	if (IS_ENABLED(CONFIG_CRYPTO_DEV_SUN8I_CE_DEBUG)) {
-		struct sun8i_ce_alg_template *algt __maybe_unused;
-		struct ahash_alg *alg = crypto_ahash_alg(tfm);
-
-		algt = container_of(alg, struct sun8i_ce_alg_template,
-				    alg.hash.base);
-#ifdef CONFIG_CRYPTO_DEV_SUN8I_CE_DEBUG
-		algt->stat_fb++;
-#endif
-	}
-
 	return crypto_ahash_finup(&rctx->fallback_req);
 }
 
@@ -181,6 +177,8 @@ static int sun8i_ce_hash_digest_fb(struct ahash_request *areq)
 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
 	struct sun8i_ce_hash_tfm_ctx *tfmctx = crypto_ahash_ctx(tfm);
 
+	sun8i_ce_hash_stat_fb_inc(tfm);
+
 	ahash_request_set_tfm(&rctx->fallback_req, tfmctx->fallback_tfm);
 	rctx->fallback_req.base.flags = areq->base.flags &
 					CRYPTO_TFM_REQ_MAY_SLEEP;
@@ -189,17 +187,6 @@ static int sun8i_ce_hash_digest_fb(struct ahash_request *areq)
 	rctx->fallback_req.src = areq->src;
 	rctx->fallback_req.result = areq->result;
 
-	if (IS_ENABLED(CONFIG_CRYPTO_DEV_SUN8I_CE_DEBUG)) {
-		struct sun8i_ce_alg_template *algt __maybe_unused;
-		struct ahash_alg *alg = crypto_ahash_alg(tfm);
-
-		algt = container_of(alg, struct sun8i_ce_alg_template,
-				    alg.hash.base);
-#ifdef CONFIG_CRYPTO_DEV_SUN8I_CE_DEBUG
-		algt->stat_fb++;
-#endif
-	}
-
 	return crypto_ahash_digest(&rctx->fallback_req);
 }
 
-- 
2.48.1