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[84.74.0.139]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-45da15a6454sm31766775f8f.34.2026.05.17.11.06.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 17 May 2026 11:06:50 -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 Cc: linux-crypto@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, l.rubusch@gmail.com Subject: [PATCH 03/12] crypto: atmel - move i2c client management instance into core driver Date: Sun, 17 May 2026 18:06:30 +0000 Message-Id: <20260517180639.9657-5-l.rubusch@gmail.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20260517180639.9657-1-l.rubusch@gmail.com> References: <20260517180639.9657-1-l.rubusch@gmail.com> Precedence: bulk X-Mailing-List: linux-crypto@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Move the atmel_i2c client management instance from the ECC driver into the atmel-i2c core driver. This is a preparatory step for consolidating shared I2C client tracking infrastructure in the core, allowing ECC and SHA204A drivers to operate on a common management instance. The symbol is exported via EXPORT_SYMBOL_GPL() and declared extern in the shared header. No functional change intended. Signed-off-by: Lothar Rubusch --- drivers/crypto/atmel-ecc.c | 2 -- drivers/crypto/atmel-i2c.c | 6 ++++++ drivers/crypto/atmel-i2c.h | 1 + 3 files changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/crypto/atmel-ecc.c b/drivers/crypto/atmel-ecc.c index 9feae468b7ff..76fb1d0cf075 100644 --- a/drivers/crypto/atmel-ecc.c +++ b/drivers/crypto/atmel-ecc.c @@ -23,8 +23,6 @@ #include #include "atmel-i2c.h" -static struct atmel_i2c_client_mgmt atmel_i2c_mgmt; - /** * struct atmel_ecdh_ctx - transformation context * @client : pointer to i2c client device diff --git a/drivers/crypto/atmel-i2c.c b/drivers/crypto/atmel-i2c.c index 0e275dbdc8c5..db24f65ae90e 100644 --- a/drivers/crypto/atmel-i2c.c +++ b/drivers/crypto/atmel-i2c.c @@ -21,6 +21,12 @@ #include #include "atmel-i2c.h" +struct atmel_i2c_client_mgmt atmel_i2c_mgmt = { + .i2c_list_lock = __SPIN_LOCK_UNLOCKED(atmel_i2c_mgmt.i2c_list_lock), + .i2c_client_list = LIST_HEAD_INIT(atmel_i2c_mgmt.i2c_client_list), +}; +EXPORT_SYMBOL_GPL(atmel_i2c_mgmt); + static const struct { u8 value; const char *error_text; diff --git a/drivers/crypto/atmel-i2c.h b/drivers/crypto/atmel-i2c.h index 98a79dcae2b6..a3385e8f0dc9 100644 --- a/drivers/crypto/atmel-i2c.h +++ b/drivers/crypto/atmel-i2c.h @@ -119,6 +119,7 @@ struct atmel_i2c_client_mgmt { struct list_head i2c_client_list; spinlock_t i2c_list_lock; } ____cacheline_aligned; +extern struct atmel_i2c_client_mgmt atmel_i2c_mgmt; /** * atmel_i2c_client_priv - i2c_client private data -- 2.53.0