linux-kernel - [PATCH v2 4/6] can: c_can: use 32-bit write to set arbitration register

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Message-Id: <20210225215155.30509-5-dariobin@libero.it>
Date:   Thu, 25 Feb 2021 22:51:53 +0100
From:   Dario Binacchi <dariobin@...ero.it>
To:     linux-kernel@...r.kernel.org
Cc:     Alexander Stein <alexander.stein@...tec-electronic.com>,
        Federico Vaga <federico.vaga@...il.com>,
        Dario Binacchi <dariobin@...ero.it>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        Oliver Hartkopp <socketcan@...tkopp.net>,
        Vincent Mailhol <mailhol.vincent@...adoo.fr>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        YueHaibing <yuehaibing@...wei.com>,
        Zhang Qilong <zhangqilong3@...wei.com>,
        linux-can@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH v2 4/6] can: c_can: use 32-bit write to set arbitration register

The arbitration register is already set up with 32-bit writes in the
other parts of the code except for this point.

Signed-off-by: Dario Binacchi <dariobin@...ero.it>
---

(no changes since v1)

 drivers/net/can/c_can/c_can.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c
index 69526c3a671c..7081cfaf62e2 100644
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -297,8 +297,7 @@ static void c_can_inval_msg_object(struct net_device *dev, int iface, int obj)
 {
 	struct c_can_priv *priv = netdev_priv(dev);
 
-	priv->write_reg(priv, C_CAN_IFACE(ARB1_REG, iface), 0);
-	priv->write_reg(priv, C_CAN_IFACE(ARB2_REG, iface), 0);
+	priv->write_reg32(priv, C_CAN_IFACE(ARB1_REG, iface), 0);
 	c_can_inval_tx_object(dev, iface, obj);
 }
 
-- 
2.17.1