diff options
| -rw-r--r-- | drivers/tty/serial/sifive.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/tty/serial/sifive.c b/drivers/tty/serial/sifive.c index e2efc3f84eff..d195c5de52e7 100644 --- a/drivers/tty/serial/sifive.c +++ b/drivers/tty/serial/sifive.c @@ -1019,6 +1019,23 @@ static int sifive_serial_remove(struct platform_device *dev) return 0; } +static int sifive_serial_suspend(struct device *dev) +{ + struct sifive_serial_port *ssp = dev_get_drvdata(dev); + + return uart_suspend_port(&sifive_serial_uart_driver, &ssp->port); +} + +static int sifive_serial_resume(struct device *dev) +{ + struct sifive_serial_port *ssp = dev_get_drvdata(dev); + + return uart_resume_port(&sifive_serial_uart_driver, &ssp->port); +} + +DEFINE_SIMPLE_DEV_PM_OPS(sifive_uart_pm_ops, sifive_serial_suspend, + sifive_serial_resume); + static const struct of_device_id sifive_serial_of_match[] = { { .compatible = "sifive,fu540-c000-uart0" }, { .compatible = "sifive,uart0" }, @@ -1031,6 +1048,7 @@ static struct platform_driver sifive_serial_platform_driver = { .remove = sifive_serial_remove, .driver = { .name = SIFIVE_SERIAL_NAME, + .pm = pm_sleep_ptr(&sifive_uart_pm_ops), .of_match_table = sifive_serial_of_match, }, }; |