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can: tcan4x5x: Remove checking the wake pin 

Remove checking the wake pin for every read/write call.
The device is not explicitly put to sleep in the code
and the POR interrupt is cleared during the init of
the device.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Dan Murphy 2019-08-23 12:50:58 -05:00 committed by Marc Kleine-Budde
parent be1d28424a
commit 81f29dd304
1 changed files with 0 additions and 13 deletions
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13
drivers/net/can/m_can/tcan4x5x.c
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@ -235,8 +235,6 @@ static u32 tcan4x5x_read_reg(struct m_can_classdev *cdev, int reg)
struct tcan4x5x_priv *priv = cdev->device_data;
u32 val;
tcan4x5x_check_wake(priv);
regmap_read(priv->regmap, priv->reg_offset + reg, &val);
return val;
@ -247,8 +245,6 @@ static u32 tcan4x5x_read_fifo(struct m_can_classdev *cdev, int addr_offset)
struct tcan4x5x_priv *priv = cdev->device_data;
u32 val;
tcan4x5x_check_wake(priv);
regmap_read(priv->regmap, priv->mram_start + addr_offset, &val);
return val;
@ -258,8 +254,6 @@ static int tcan4x5x_write_reg(struct m_can_classdev *cdev, int reg, int val)
{
struct tcan4x5x_priv *priv = cdev->device_data;
tcan4x5x_check_wake(priv);
return regmap_write(priv->regmap, priv->reg_offset + reg, val);
}
@ -268,8 +262,6 @@ static int tcan4x5x_write_fifo(struct m_can_classdev *cdev,
{
struct tcan4x5x_priv *priv = cdev->device_data;
tcan4x5x_check_wake(priv);
return regmap_write(priv->regmap, priv->mram_start + addr_offset, val);
}
@ -289,18 +281,13 @@ static int tcan4x5x_write_tcan_reg(struct m_can_classdev *cdev,
{
struct tcan4x5x_priv *priv = cdev->device_data;
tcan4x5x_check_wake(priv);
return regmap_write(priv->regmap, reg, val);
}
static int tcan4x5x_clear_interrupts(struct m_can_classdev *cdev)
{
struct tcan4x5x_priv *tcan4x5x = cdev->device_data;
int ret;
tcan4x5x_check_wake(tcan4x5x);
ret = tcan4x5x_write_tcan_reg(cdev, TCAN4X5X_STATUS,
TCAN4X5X_CLEAR_ALL_INT);
if (ret)