Commit 81f29dd3 authored by Dan Murphy's avatar Dan Murphy Committed by Marc Kleine-Budde
Browse files

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: default avatarDan Murphy <dmurphy@ti.com>
Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent be1d2842

drivers/net/can/m_can/tcan4x5x.c

+0 −13
Original line number Diff line number Diff line
@@ -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)

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