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authorMarc Kleine-Budde <mkl@pengutronix.de>2020-11-30 14:37:08 +0100
committerMarc Kleine-Budde <mkl@pengutronix.de>2020-11-30 14:55:25 +0100
commit225dfc2552005ea8dd2b50f6a4a04a2b9ff52d3e (patch)
tree47897b15aa60dd56c32560eb6c572652107f8592 /drivers/net/can
parent018a0c5845d6da8613a1448b169e96c81dce2531 (diff)
can: tcan4x5x: remove mram_start and reg_offset from struct tcan4x5x_priv
Both struct tcan4x5x_priv::mram_start and struct tcan4x5x_priv::reg_offset are only assigned once with a constant and then always used read-only. This patch changes the driver to use the constant directly instead. Link: https://lore.kernel.org/r/20201130133713.269256-2-mkl@pengutronix.de Reviewed-by: Dan Murphy <dmurphy@ti.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net/can')
-rw-r--r--drivers/net/can/m_can/tcan4x5x.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/net/can/m_can/tcan4x5x.c b/drivers/net/can/m_can/tcan4x5x.c
index a2144bbcd486..04bb392f60fa 100644
--- a/drivers/net/can/m_can/tcan4x5x.c
+++ b/drivers/net/can/m_can/tcan4x5x.c
@@ -123,10 +123,6 @@ struct tcan4x5x_priv {
struct gpio_desc *device_wake_gpio;
struct gpio_desc *device_state_gpio;
struct regulator *power;
-
- /* Register based ip */
- int mram_start;
- int reg_offset;
};
static struct can_bittiming_const tcan4x5x_bittiming_const = {
@@ -260,7 +256,7 @@ static u32 tcan4x5x_read_reg(struct m_can_classdev *cdev, int reg)
struct tcan4x5x_priv *priv = cdev->device_data;
u32 val;
- regmap_read(priv->regmap, priv->reg_offset + reg, &val);
+ regmap_read(priv->regmap, TCAN4X5X_MCAN_OFFSET + reg, &val);
return val;
}
@@ -270,7 +266,7 @@ static u32 tcan4x5x_read_fifo(struct m_can_classdev *cdev, int addr_offset)
struct tcan4x5x_priv *priv = cdev->device_data;
u32 val;
- regmap_read(priv->regmap, priv->mram_start + addr_offset, &val);
+ regmap_read(priv->regmap, TCAN4X5X_MRAM_START + addr_offset, &val);
return val;
}
@@ -279,7 +275,7 @@ static int tcan4x5x_write_reg(struct m_can_classdev *cdev, int reg, int val)
{
struct tcan4x5x_priv *priv = cdev->device_data;
- return regmap_write(priv->regmap, priv->reg_offset + reg, val);
+ return regmap_write(priv->regmap, TCAN4X5X_MCAN_OFFSET + reg, val);
}
static int tcan4x5x_write_fifo(struct m_can_classdev *cdev,
@@ -287,7 +283,7 @@ static int tcan4x5x_write_fifo(struct m_can_classdev *cdev,
{
struct tcan4x5x_priv *priv = cdev->device_data;
- return regmap_write(priv->regmap, priv->mram_start + addr_offset, val);
+ return regmap_write(priv->regmap, TCAN4X5X_MRAM_START + addr_offset, val);
}
static int tcan4x5x_power_enable(struct regulator *reg, int enable)
@@ -465,8 +461,6 @@ static int tcan4x5x_can_probe(struct spi_device *spi)
goto out_m_can_class_free_dev;
}
- priv->reg_offset = TCAN4X5X_MCAN_OFFSET;
- priv->mram_start = TCAN4X5X_MRAM_START;
priv->spi = spi;
priv->mcan_dev = mcan_class;