can: tcan4x5x: remove unused struct tcan4x5x_priv::tcan4x5x_lock

The mutex struct tcan4x5x_priv::tcan4x5x_lock is unused in the driver,
so this patch removes the variable from the driver.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/drivers/net/can/m_can/tcan4x5x.c b/drivers/net/can/m_can/tcan4x5x.c
index b115b2e5333f4425218e26fd4f9b94c6ec10512c..57b2a69a60ebccbfb91e5bc6fa4155b0ae7be8cf 100644 (file)
--- a/drivers/net/can/m_can/tcan4x5x.c
+++ b/drivers/net/can/m_can/tcan4x5x.c
@@ -113,7 +113,6 @@
 struct tcan4x5x_priv {
        struct regmap *regmap;
        struct spi_device *spi;
-       struct mutex tcan4x5x_lock; /* SPI device lock */
 
        struct m_can_classdev *mcan_dev;
 
@@ -466,8 +465,6 @@ static int tcan4x5x_can_probe(struct spi_device *spi)
        priv->regmap = devm_regmap_init(&spi->dev, &tcan4x5x_bus,
                                        &spi->dev, &tcan4x5x_regmap);
 
-       mutex_init(&priv->tcan4x5x_lock);
-
        tcan4x5x_power_enable(priv->power, 1);
 
        ret = m_can_class_register(mcan_class);