[PATCH v3 01/12] crypto: atmel-ecc - rename driver_data before moving it into atmel-i2c

From: Lothar Rubusch

Date: Wed May 20 2026 - 12:10:30 EST


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 <l.rubusch@xxxxxxxxx>
---
drivers/crypto/atmel-ecc.c | 30 +++++++++++++++---------------
1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/drivers/crypto/atmel-ecc.c b/drivers/crypto/atmel-ecc.c
index 9660f6426a84..c9f798ebf44f 100644
--- a/drivers/crypto/atmel-ecc.c
+++ b/drivers/crypto/atmel-ecc.c
@@ -23,7 +23,7 @@
#include <crypto/kpp.h>
#include "atmel-i2c.h"

-static struct atmel_ecc_driver_data driver_data;
+static struct atmel_ecc_driver_data atmel_i2c_mgmt;

/**
* struct atmel_ecdh_ctx - transformation context
@@ -209,14 +209,14 @@ 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) {
tfm_cnt = atomic_read(&i2c_priv->tfm_count);
if (tfm_cnt < min_tfm_cnt) {
@@ -232,7 +232,7 @@ 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;
}
@@ -323,16 +323,16 @@ static int atmel_ecc_probe(struct i2c_client *client)

i2c_priv = i2c_get_clientdata(client);

- 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);
- spin_unlock(&driver_data.i2c_list_lock);
+ &atmel_i2c_mgmt.i2c_client_list);
+ spin_unlock(&atmel_i2c_mgmt.i2c_list_lock);

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);
list_del(&i2c_priv->i2c_client_list_node);
- spin_unlock(&driver_data.i2c_list_lock);
+ spin_unlock(&atmel_i2c_mgmt.i2c_list_lock);

dev_err(&client->dev, "%s alg registration failed\n",
atmel_ecdh_nist_p256.base.cra_driver_name);
@@ -363,9 +363,9 @@ static void atmel_ecc_remove(struct i2c_client *client)

crypto_unregister_kpp(&atmel_ecdh_nist_p256);

- 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);
}

static const struct of_device_id atmel_ecc_dt_ids[] = {
@@ -394,8 +394,8 @@ 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