Commit 60552253 authored by Sean Nyekjaer's avatar Sean Nyekjaer Committed by Marc Kleine-Budde

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: default avatarSean Nyekjaer <sean@geanix.com>
Acked-by: default avatarDan Murphy <dmurphy@ti.com>
Cc: linux-stable <stable@vger.kernel.org> # >= v5.4
Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent 048e3a34
......@@ -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);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment