[PATCH 4.4 006/162] serial: ifx6x60: add missed pm_runtime_disable

[Greg Kroah-Hartman]

From: Chuhong Yuan <hslester96@xxxxxxxxx>

commit 50b2b571c5f3df721fc81bf9a12c521dfbe019ba upstream.

The driver forgets to call pm_runtime_disable in remove.
Add the missed calls to fix it.

Signed-off-by: Chuhong Yuan <hslester96@xxxxxxxxx>
Cc: stable <stable@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20191118024833.21587-1-hslester96@xxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/tty/serial/ifx6x60.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/tty/serial/ifx6x60.c
+++ b/drivers/tty/serial/ifx6x60.c
@@ -1241,6 +1241,9 @@ static int ifx_spi_spi_remove(struct spi
 	struct ifx_spi_device *ifx_dev = spi_get_drvdata(spi);
 	/* stop activity */
 	tasklet_kill(&ifx_dev->io_work_tasklet);
+
+	pm_runtime_disable(&spi->dev);
+
 	/* free irq */
 	free_irq(gpio_to_irq(ifx_dev->gpio.reset_out), ifx_dev);
 	free_irq(gpio_to_irq(ifx_dev->gpio.srdy), ifx_dev);