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[84.74.0.139]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-490456274ebsm67100265e9.15.2026.05.22.16.01.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 May 2026 16:01:44 -0700 (PDT) From: Lothar Rubusch To: thorsten.blum@linux.dev, herbert@gondor.apana.org.au, davem@davemloft.net, nicolas.ferre@microchip.com, alexandre.belloni@bootlin.com, claudiu.beznea@tuxon.dev, tudor.ambarus@linaro.org, ardb@kernel.org, linusw@kernel.org, krzk+dt@kernel.org Cc: linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, l.rubusch@gmail.com Subject: [PATCH v4 04/12] crypto: atmel-ecc - rename driver_data before moving it into atmel-i2c Date: Fri, 22 May 2026 23:01:26 +0000 Message-Id: <20260522230134.32414-5-l.rubusch@gmail.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20260522230134.32414-1-l.rubusch@gmail.com> References: <20260522230134.32414-1-l.rubusch@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Rename the local driver_data instance to atmel_i2c_mgmt in preparation for moving the shared I2C client management infrastructure into the atmel-i2c core driver in a subsequent change. No functional changes intended. Signed-off-by: Lothar Rubusch --- drivers/crypto/atmel-ecc.c | 39 +++++++++++++++++++------------------- 1 file changed, 19 insertions(+), 20 deletions(-) diff --git a/drivers/crypto/atmel-ecc.c b/drivers/crypto/atmel-ecc.c index 005a9a3d919c..d12a9dbe45a7 100644 --- a/drivers/crypto/atmel-ecc.c +++ b/drivers/crypto/atmel-ecc.c @@ -28,7 +28,7 @@ static int atmel_ecc_kpp_refcnt; DECLARE_COMPLETION(atmel_ecc_unreg_done); static bool atmel_ecc_unreg_active; -static struct atmel_ecc_driver_data driver_data; +static struct atmel_ecc_driver_data atmel_i2c_mgmt; /** * struct atmel_ecdh_ctx - transformation context @@ -214,14 +214,14 @@ static struct i2c_client *atmel_ecc_i2c_client_alloc(void) int min_tfm_cnt = INT_MAX; int tfm_cnt; - spin_lock(&driver_data.i2c_list_lock); + spin_lock(&atmel_i2c_mgmt.i2c_list_lock); - if (list_empty(&driver_data.i2c_client_list)) { - spin_unlock(&driver_data.i2c_list_lock); + if (list_empty(&atmel_i2c_mgmt.i2c_client_list)) { + spin_unlock(&atmel_i2c_mgmt.i2c_list_lock); return ERR_PTR(-ENODEV); } - list_for_each_entry(i2c_priv, &driver_data.i2c_client_list, + list_for_each_entry(i2c_priv, &atmel_i2c_mgmt.i2c_client_list, i2c_client_list_node) { if (!i2c_priv->ready) continue; @@ -239,7 +239,7 @@ static struct i2c_client *atmel_ecc_i2c_client_alloc(void) client = min_i2c_priv->client; } - spin_unlock(&driver_data.i2c_list_lock); + spin_unlock(&atmel_i2c_mgmt.i2c_list_lock); return client; } @@ -334,11 +334,11 @@ static int atmel_ecc_probe(struct i2c_client *client) i2c_priv = i2c_get_clientdata(client); i2c_priv->ready = false; - spin_lock(&driver_data.i2c_list_lock); + spin_lock(&atmel_i2c_mgmt.i2c_list_lock); list_add_tail(&i2c_priv->i2c_client_list_node, - &driver_data.i2c_client_list); + &atmel_i2c_mgmt.i2c_client_list); i2c_priv->ready = true; - spin_unlock(&driver_data.i2c_list_lock); + spin_unlock(&atmel_i2c_mgmt.i2c_list_lock); mutex_lock(&atmel_ecc_kpp_lock); /* @@ -352,12 +352,11 @@ static int atmel_ecc_probe(struct i2c_client *client) timeout = wait_for_completion_timeout(&atmel_ecc_unreg_done, msecs_to_jiffies(2000)); mutex_lock(&atmel_ecc_kpp_lock); - if (timeout == 0) { - spin_lock(&driver_data.i2c_list_lock); + spin_lock(&atmel_i2c_mgmt.i2c_list_lock); i2c_priv->ready = false; list_del(&i2c_priv->i2c_client_list_node); - spin_unlock(&driver_data.i2c_list_lock); + spin_unlock(&atmel_i2c_mgmt.i2c_list_lock); mutex_unlock(&atmel_ecc_kpp_lock); dev_err(&client->dev, "probe timed out, former driver instance not fully deregistered\n"); @@ -368,10 +367,10 @@ static int atmel_ecc_probe(struct i2c_client *client) if (atmel_ecc_kpp_refcnt == 0) { ret = crypto_register_kpp(&atmel_ecdh_nist_p256); if (ret) { - spin_lock(&driver_data.i2c_list_lock); + spin_lock(&atmel_i2c_mgmt.i2c_list_lock); i2c_priv->ready = false; list_del(&i2c_priv->i2c_client_list_node); - spin_unlock(&driver_data.i2c_list_lock); + spin_unlock(&atmel_i2c_mgmt.i2c_list_lock); mutex_unlock(&atmel_ecc_kpp_lock); dev_err(&client->dev, "%s alg registration failed\n", @@ -391,9 +390,9 @@ static void atmel_ecc_remove(struct i2c_client *client) struct atmel_i2c_client_priv *i2c_priv = i2c_get_clientdata(client); bool trigger_unreg = false; - spin_lock(&driver_data.i2c_list_lock); + spin_lock(&atmel_i2c_mgmt.i2c_list_lock); i2c_priv->ready = false; - spin_unlock(&driver_data.i2c_list_lock); + spin_unlock(&atmel_i2c_mgmt.i2c_list_lock); /* * The Linux crypto core automatically blocks until all active @@ -413,9 +412,9 @@ static void atmel_ecc_remove(struct i2c_client *client) if (atomic_read(&i2c_priv->tfm_count)) wait_for_completion(&i2c_priv->remove_done); - spin_lock(&driver_data.i2c_list_lock); + spin_lock(&atmel_i2c_mgmt.i2c_list_lock); list_del(&i2c_priv->i2c_client_list_node); - spin_unlock(&driver_data.i2c_list_lock); + spin_unlock(&atmel_i2c_mgmt.i2c_list_lock); /* * The driver registers once an algorithm, but maintains a list of @@ -459,8 +458,8 @@ static struct i2c_driver atmel_ecc_driver = { static int __init atmel_ecc_init(void) { - spin_lock_init(&driver_data.i2c_list_lock); - INIT_LIST_HEAD(&driver_data.i2c_client_list); + spin_lock_init(&atmel_i2c_mgmt.i2c_list_lock); + INIT_LIST_HEAD(&atmel_i2c_mgmt.i2c_client_list); return i2c_add_driver(&atmel_ecc_driver); } -- 2.39.5