linux-kernel - [PATCH 5/6] crypto: sun8i-ce-hash - add IS

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Message-ID: <20250401192321.3370188-5-ovidiu.panait.oss@gmail.com>
Date: Tue,  1 Apr 2025 22:23:20 +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 5/6] crypto: sun8i-ce-hash - add IS_ENABLED() checks to debugfs stats

Add IS_ENABLED(CONFIG_CRYPTO_DEV_SUN8I_CE_DEBUG) checks before the
fallback counter updates to make sure the code is not included when
debugfs statistics support is not enabled.

Signed-off-by: Ovidiu Panait <ovidiu.panait.oss@...il.com>
---
 .../crypto/allwinner/sun8i-ce/sun8i-ce-hash.c | 22 ++++++++++++++-----
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c
index 530c5181d73c..f2481e1585ba 100644
--- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c
+++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-hash.c
@@ -60,8 +60,10 @@ int sun8i_ce_hash_init_tfm(struct crypto_ahash *tfm)
 				 sizeof(struct sun8i_ce_hash_reqctx) +
 				 crypto_ahash_reqsize(op->fallback_tfm));
 
-	memcpy(algt->fbname, crypto_ahash_driver_name(op->fallback_tfm),
-	       CRYPTO_MAX_ALG_NAME);
+	if (IS_ENABLED(CONFIG_CRYPTO_DEV_SUN8I_CE_DEBUG))
+		memcpy(algt->fbname,
+		       crypto_ahash_driver_name(op->fallback_tfm),
+		       CRYPTO_MAX_ALG_NAME);
 
 	err = pm_runtime_get_sync(op->ce->dev);
 	if (err < 0)
@@ -198,22 +200,30 @@ static bool sun8i_ce_hash_need_fallback(struct ahash_request *areq)
 	algt = container_of(alg, struct sun8i_ce_alg_template, alg.hash.base);
 
 	if (areq->nbytes == 0) {
-		algt->stat_fb_len0++;
+		if (IS_ENABLED(CONFIG_CRYPTO_DEV_SUN8I_CE_DEBUG))
+			algt->stat_fb_len0++;
+
 		return true;
 	}
 	/* we need to reserve one SG for padding one */
 	if (sg_nents_for_len(areq->src, areq->nbytes) > MAX_SG - 1) {
-		algt->stat_fb_maxsg++;
+		if (IS_ENABLED(CONFIG_CRYPTO_DEV_SUN8I_CE_DEBUG))
+			algt->stat_fb_maxsg++;
+
 		return true;
 	}
 	sg = areq->src;
 	while (sg) {
 		if (sg->length % 4) {
-			algt->stat_fb_srclen++;
+			if (IS_ENABLED(CONFIG_CRYPTO_DEV_SUN8I_CE_DEBUG))
+				algt->stat_fb_srclen++;
+
 			return true;
 		}
 		if (!IS_ALIGNED(sg->offset, sizeof(u32))) {
-			algt->stat_fb_srcali++;
+			if (IS_ENABLED(CONFIG_CRYPTO_DEV_SUN8I_CE_DEBUG))
+				algt->stat_fb_srcali++;
+
 			return true;
 		}
 		sg = sg_next(sg);
-- 
2.48.1