diff options
Diffstat (limited to 'drivers/pps/clients/pps-gpio.c')
| -rw-r--r-- | drivers/pps/clients/pps-gpio.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/pps/clients/pps-gpio.c b/drivers/pps/clients/pps-gpio.c index 333ad7d5b45b..6dd425abc5a5 100644 --- a/drivers/pps/clients/pps-gpio.c +++ b/drivers/pps/clients/pps-gpio.c @@ -44,6 +44,7 @@ struct pps_gpio_device_data { bool assert_falling_edge; bool capture_clear; unsigned int gpio_pin; + bool use_system_time_ts; }; /* @@ -56,11 +57,14 @@ static irqreturn_t pps_gpio_irq_handler(int irq, void *data) struct pps_event_time ts; int rising_edge; - /* Get the time stamp first */ - pps_get_ts(&ts); - info = data; + /* Get the time stamp first */ + if (!info->use_system_time_ts) + get_monotonic_boottime(&ts.ts_real); + else + pps_get_ts(&ts); + rising_edge = gpio_get_value(info->gpio_pin); if ((rising_edge && !info->assert_falling_edge) || (!rising_edge && info->assert_falling_edge)) @@ -119,6 +123,9 @@ static int pps_gpio_probe(struct platform_device *pdev) if (of_get_property(np, "assert-falling-edge", NULL)) data->assert_falling_edge = true; + + if (of_get_property(np, "use-system-time-ts", NULL)) + data->use_system_time_ts = true; } /* GPIO setup */ |