can: m_can: tcan4x5x: add required delay after reset

According to section "8.3.8 RST Pin" in the datasheet we are required to
wait >700us after the device is reset.

Signed-off-by: Sean Nyekjaer <[email protected]>
Acked-by: Dan Murphy <[email protected]>
Cc: linux-stable <[email protected]> # >= v5.4
Signed-off-by: Marc Kleine-Budde <[email protected]>

Author: sknsean

drivers/net/can/m_can/tcan4x5x.c

@@ -354,6 +354,8 @@ static int tcan4x5x_parse_config(struct m_can_classdev *cdev)
 	if (IS_ERR(tcan4x5x->reset_gpio))
 		tcan4x5x->reset_gpio = NULL;
 
+	usleep_range(700, 1000);
+
 	tcan4x5x->device_state_gpio = devm_gpiod_get_optional(cdev->dev,
 							      "device-state",
 							      GPIOD_IN);