diff options
Diffstat (limited to 'drivers/pps/clients/pps-gpio.c')
| -rw-r--r-- | drivers/pps/clients/pps-gpio.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/pps/clients/pps-gpio.c b/drivers/pps/clients/pps-gpio.c index 634c3b2f8c26..75c1bae30a7c 100644 --- a/drivers/pps/clients/pps-gpio.c +++ b/drivers/pps/clients/pps-gpio.c @@ -52,7 +52,9 @@ static irqreturn_t pps_gpio_irq_handler(int irq, void *data) info = data; - rising_edge = gpiod_get_value(info->gpio_pin); + /* Small trick to bypass the check on edge's direction when capture_clear is unset */ + rising_edge = info->capture_clear ? + gpiod_get_value(info->gpio_pin) : !info->assert_falling_edge; if ((rising_edge && !info->assert_falling_edge) || (!rising_edge && info->assert_falling_edge)) pps_event(info->pps, &ts, PPS_CAPTUREASSERT, data); @@ -60,6 +62,8 @@ static irqreturn_t pps_gpio_irq_handler(int irq, void *data) ((rising_edge && info->assert_falling_edge) || (!rising_edge && !info->assert_falling_edge))) pps_event(info->pps, &ts, PPS_CAPTURECLEAR, data); + else + dev_warn_ratelimited(&info->pps->dev, "IRQ did not trigger any PPS event\n"); return IRQ_HANDLED; } @@ -214,8 +218,8 @@ static int pps_gpio_probe(struct platform_device *pdev) return -EINVAL; } - dev_info(data->pps->dev, "Registered IRQ %d as PPS source\n", - data->irq); + dev_dbg(&data->pps->dev, "Registered IRQ %d as PPS source\n", + data->irq); return 0; } |