Actually IRQ can be found from GPIO but all platforms don't support gpiod_to_irq, it's the case on amlogic chip. so to have possibility to use interrupt mode we need to add interrupts property in devicetree and support it in driver. Signed-off-by: Guillaume La Roque <glaroque@xxxxxxxxxxxx> --- drivers/bluetooth/hci_bcm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c index f8f5c593a05c..99dee878b092 100644 --- a/drivers/bluetooth/hci_bcm.c +++ b/drivers/bluetooth/hci_bcm.c @@ -13,6 +13,7 @@ #include <linux/module.h> #include <linux/acpi.h> #include <linux/of.h> +#include <linux/of_irq.h> #include <linux/property.h> #include <linux/platform_data/x86/apple.h> #include <linux/platform_device.h> @@ -1144,6 +1145,8 @@ static int bcm_of_probe(struct bcm_device *bdev) device_property_read_u32(bdev->dev, "max-speed", &bdev->oper_speed); device_property_read_u8_array(bdev->dev, "brcm,bt-pcm-int-params", bdev->pcm_int_params, 5); + bdev->irq = of_irq_get_byname(bdev->dev->of_node, "host-wakeup"); + return 0; } -- 2.17.1